GM Rear Wheel 4L80E, 4L85E

4L80E, 4L85E


Makco Distributing Kit Component Guide

Deluxe Kits (Super) - Includes: overhaul kit, friction clutch plates, standard steel plates, filter, band, modulator (if required), bushing kit (or popular bushings) & sometimes popular washers.

Master Kits (w/ Steels) - Includes: overhaul kit, friction clutch plates & standard steel plates.

Banner Kits (w/o Steels) - Includes: overhaul kit & friction clutch plates.

Overhaul Kits (no Clutches) - Includes: paper gaskets, O rings, lip seals, metal clad seals and sealing rings.

New Transmission Rebuild in a Box kits
will include most parts required for a Major Transmission Rebuild.
4L80E Transmission Rebuild in a Box
Click here for
4L80E / 4L85E, 4 speed RWD Transmission breakdown illustration

Subcategories in 4L80E, 4L85E


Products in 4L80E, 4L85E by category


Transmission Rebuild in a Box
Part   #       Name & Description Image Price  
34006EBX-BOX-1         Transmission Parts Rebuild in a Box, 4L80E, 1997-2000
Premium OE Quality parts for a major rebuild with minor upgrades .

If you have a 1996 with shallow filter email us to substitute # 34010E Filter, 4L80E 1991-96

Detailed kit contents listed on top of the product page!
 
Transmission Parts Rebuild in a Box,  4L80E, 1997-2000 $649.37
34006EBX-BOX-1S         Transmission Parts Rebuild in a Box, 4L80E, 1997-2000 + Solenoids
Premium OE Quality parts for a major rebuild with minor upgrades + Solenoids.

If you have a 1996 with shallow filter email us to substitute # 34010E Filter, 4L80E 1991-96

Detailed kit contents listed on top of the product page!
 
Transmission Parts Rebuild in a Box,  4L80E, 1997-2000 + Solenoids $748.79
34006EF-BOX-1         Transmission Parts Rebuild in a Box, 4L80E 1991-96
Premium OE Quality parts for a major rebuild with minor upgrades.
Includes a Sonnax self-regulating reverse boost valve helps eliminate Broken case, servo or clutch piston due to unregulated EPC pressure.

Detailed kit contents listed on top of the product page!
 
Transmission Parts Rebuild in a Box, 4L80E 1991-96 $564.42
34006EF-BOX-1S         Transmission Parts Rebuild in a Box, 4L80E 1991-96 + Solenoids
Premium OE Quality parts for a major rebuild with minor upgrades + Solenoids.
Includes a Sonnax self-regulating reverse boost valve that helps eliminate Broken case, servo or clutch piston due to unregulated EPC pressure.
and Solenoid kit & Manifold pressure switch.

Detailed kit contents listed on top of the product page!
 
Transmission Parts Rebuild in a Box, 4L80E 1991-96 + Solenoids $664.13
AHP46008R-K-BOX-1         Performance Parts Rebuild in a Box, 4L80E 1991-96
High Performance Transmission Rebuild In a Box with Red Eagle Friction & Intermediate Power Pack
1991-1996 ONLY!
 
Performance Parts Rebuild in a Box,  4L80E 1991-96 $703.90
AHP46008R-K-BOX-1S         Performance Parts Rebuild in a Box, 4L80E 1991-96 + Solenoids
High Performance Transmission Rebuild In a Box with Red Eagle Friction & Intermediate Power Pack + Solenoids
1991-1996 ONLY!
 
Performance Parts Rebuild in a Box,  4L80E 1991-96  + Solenoids $824.16

Transmission Rebuild kits
Part   #       Name & Description Image Price  
34002EX         Overhaul kit, 4L80E, 1991-UP, NO PAN GASKET
OE pan gasket is reusable Bonded Rubber, Order replacement as needed., Basic overhaul kit includes, paper gaskets, O rings, lip seals, metal clad seals and sealing rings. Common vender / brand TransTec
 
  $76.13
34004EBX         Banner kit, 4L80E 1997-UP NO PAN gasket (with BONDED piston)
Includes: overhaul kit, friction clutch plates
 
  $174.87
34004EF         Banner kit, 4L80E 1991-95, with fiber pan gasket (with BONDED piston)
Includes: overhaul kit, friction clutch plates
 
  $167.62
34004EX         Banner kit, 4L80E 1991-96 NO PAN gasket (with BONDED piston)
Includes: overhaul kit, friction clutch plates
 
  $153.41
34006EBX         Master kit, 4L80E 1997-UP NO PAN gasket (with bonded pistons)
Includes: overhaul kit, friction clutch plates & standard steel plates & TURBOLATOR steels
W-34006EA
 
  $222.20
34006EF         Master kit, 4L80E 1991-96, FIBER pan gasket (with BONDED piston)
Includes: overhaul kit, friction clutch plates & standard steel plates
 
  $232.66
34006EX         Master kit, 4L80E 1991-96, NO PAN gasket (with BONDED piston)
Includes: overhaul kit, friction clutch plates & standard steel plates
 
  $210.11

High Performance Transmission Rebuild kits
Part   #       Name & Description Image Price  
AHP34006EBF         ALTO HP Master Kit, 4L80E 1997-UP w/ Red Eagle Friction & Kolene Steels
Includes: overhaul kit, Red Eagle friction clutch plates & Kolene steel plates
Alto# 031903AHP
 
  $388.58
AHP46008R-K         ALTO HP Master Kit, 4L80E 1991-96 w/ Friction & Intermediate Power Pack
ALTO HP Master Kit, 4L80E 1991-96 w/ Friction & Intermediate Power Pack. Without Molded Pistons.
ALTO#031903PWR
 
ALTO HP Master Kit, 4L80E 1991-96  w/ Friction & Intermediate Power Pack $188.42

Bands
Part   #       Name & Description Image Price  
A34022E         Band (Z) 4L80E Front 1999-UP
1.25 inch wide, Used w/ Front Servo Piston w/ 2.730" Pin
Various brands as available
ALT # 031950R
 
Band   (Z) 4L80E Front  1999-UP $17.82
B34024E         Band 400 / 425 / 475 / 3L80E / 4L80E Rear
New band, BorgWarner, Low / Reverse new updated design 1997-UP Will replace all 1965-up
 
Band  400 / 425 / 475 / 3L80E / 4L80E  Rear $29.70
D34905BK         Piston Assembly, Front Servo (2.730" Long Pin)
1991-2003
As available,
 
Piston Assembly, Front Servo (2.730" Long Pin) $29.38
N34022         Band 400 / 425 / 4L80E Front 1964-98
New band, value import, 1 inch wide
On 4L80E Used w/ Front Servo Piston w/ 2.530" Pin
 
Band 400 / 425 / 4L80E Front 1964-98 $6.25

Bushings
Part   #       Name & Description Image Price  
34037         Bushing AT540 stator front & sun gear (ft & rear)
also 4L80E overrun drum rear small
HT740 Bushing, Output Shaft
 
  $2.15
34038         Bushing 4L80E overrun drum front
2.001 inch OD
 
  $1.58
34048         Bushing 4L80E Forward drum

 
  $1.47
34053         Bushing 400 / 4L80E Front planet

 
  $2.89
34030E         Bushing kit, 4L80E 1991-96

 
  $31.22
34030EA         Bushing kit, (X) 4L80E 1997-UP
ALT # 031625B
 
  $46.25
34034B         Bushing 4L80E pump
OEM style .550 inch wide 1991-96
 
  $2.73
34034BA         Bushing 4L80E pump BABBIT
wide .700 inch 1997-ON
 
  $2.75
34036B         Bushing 4L80E stator support front

 
  $2.21
34036S         Bushing 4L80E stator support
(front, Extra Wide) (bag of 4) Sonnax fix NO LOCKUP CODE 68
 
  $16.33
34037B         Bushing 4L80E stator rear

 
  $1.72
34037C         Bushing 4L80E sun gear shaft
with Oil Grooves 1997-UP
 
  $3.73
34044B         Bushing 4L80E center support (Up to L 1997)
Twin Groove (can retro fit 400)
 
  $7.81
34044C         Bushing 4L80E center support Late 1997 up
U-Shaped lube circuit 4.02 inch
 
  $8.26
34062B         Bushing 400 / 4L80E Output shaft (narrow)
1974-UP
 
  $2.59
34064B         Bushing 4L80E case 1991-1992
OE style 1991-1992
 
  $2.12
34064BC         Bushing, Case, 4L80E (OEM STYLE) (2.128 BRONZE) 1993-UP
Bushing, Case 1993+ OEM Style (2.128" Bronze)
 
  $10.45
34066C         Bushing 4L80E extension housing 1991-2003
2.020 inch OD X 1.000 inch LONG with lube hole
 
  $3.38
S34064BA         Bushing, 400/4L80E Case (NO WALK-OUT)
Sonnax
 
  $10.83

Clutch plates
Part   #       Name & Description Image Price  
34100         Friction, 4L80E, 4th clutch, .080, 1991-UP
Common brand - Borg Warner
 
  $4.32
34106         Friction, 400 / 4L80E, Forward / Direct, .080
Smooth , Common brand - Borg Warner
 
  $4.47
34116         Friction, 4L80E, Overrun clutch, .080,
1991-up, Common brand - Borg Warner
 
  $4.45
34120         Steel, 4L80E, 4th clutch, .099,
1991-up, Common brand - ALTO
 
  $4.97
34125         Steel, 400 / 4L80E, Intermediate, .070 (WAVED)
1964-up, Common brand - ALTO
 
  $4.52
34128         Steel ,400 / 425 / 4L80E, Forward, .077 (FLAT)
1964-up, Common brand - ALTO
 
  $2.91
34136         Steel, 4L80E, Overrun clutch, .099
1991-96, Common brand - ALTO
 
  $5.22
34104E         Friction, 4L80E, Intermediate clutch, .080 FLAT
1991-up, Common brand - Borg Warner
 
  $3.75
34104EA         Friction, 4L80E, Intermediate clutch, .070
High Energy, 1996-up, Common brand - Borg Warner
 
  $5.57
34106E         Friction, 4L80E, Forward / Direct, High Energy Graphite, 1996-UP
Common brand - Borg Warner
 
  $3.73
34120B         Steel, 4L80E, 4th clutch, TURBULATOR w/ holes,
1997-up, Common brand - ALTO
 
  $7.98
34124E         Steel, 4L80E, Intermediate, .076
1991-up, Common brand - ALTO
 
  $3.01
34124EK         Steel 4L80E, Intermediate, .076, KOLENE
1991-up, Kolene coated, Common brand - ALTO
 
  $6.81
34126A         Steel, 400 / 425 / 4L80E, Direct, .090
1964-up, Common brand - ALTO
AT540 FWD & 4th range - order 5 - 10 as needed
 
  $2.38
34126AK         Steel, 400 / 425 / 4L80E, Forward / Direct, .090, KOLENE
Kolene coated, Common brand - ALTO
 
  $5.90
34126B         Steel, 400 / 425 / 4L80E, Forward / Direct, .060 (Commercial)
Thin, used to add extra clutches to drum, Common brand - ALTO
 
  $9.91
34127D         Steel, 400 / 4L80E, Forward / Direct, .054 DISHED
1964-96, Common brand - ALTO
 
  $13.11
34127E         Steel, 4L80E, Waved Forward / Direct, .042, 12 Teeth***REPLACED BY 34127EA***
1997-up, 4.825 ID, Common brand - ALTO
 
  $0.00
34127EA         Steel, 4L80E, Waved Forward / Direct, .042, 6 Teeth
1997-up, 4.728 ID, Common brand - ALTO
 
  $10.52
34127EB         Steel, 4L80E, Waved Forward / Direct, .042, 14 Teeth
1997-up, 4.577 ID, Common brand - ALTO
 
  $10.62
34128B         Steel, 400 / 425 / 4L80E, Forward, .077 (FLAT) KOLENE***SEE 34128K***
1964-up, Kolene coated, Common brand - ALTO. 34128K
 
  $7.40
34136B         Steel, 4L80E, Overrun clutch, TURBULATOR w/ holes
1997-up, Common brand - ALTO
 
  $6.00
34139E         Steel Module, 4L80E, 1991-95
Standard set of steel plates, Common brand - various
 
  $71.28
34139EA         Steel Module, 4L80E, 1996-UP
Standard set of steel plates, Common brand - Various
 
  $67.73
A34104HD         Friction, 400 / 4L80 Intermediate clutch, High Performance
Red Eagle High performance, Great for Street & Strip use, Common brand - ALTO
 
  $7.40
A34106HP         Friction, 400 / 4L80E, Forward & Direct, High Performance
Red Eagle High performance, Great for Street & Strip use, Common brand - ALTO
 
  $5.57
D34125A         Steel Plate, Intermediate Cushion (Waved) 4L80E

 
Steel Plate, Intermediate Cushion (Waved) 4L80E $16.26

Deluxe Kits (Super Kits)
Part   #       Name & Description Image Price  
34008EBF         Deluxe Kit, 4L80E 97-UP
Includes:
overhaul kit, friction clutch plates, standard steel plates
34010EA filter
A34022E band
34030EA bushing kit

ALT # 031903ASK
 
Deluxe Kit, 4L80E 97-UP $323.75
34008EF         Deluxe Kit, 4L80E 91-96
Includes:
overhaul kit, friction clutch plates, standard steel plates
34010E filter
B34024E, N34022 bands
34030E bushing kit
 
Deluxe Kit, 4L80E 91-96 $293.79

Drums
Part   #       Name & Description Image Price  
A34551         Drum, Overrun Clutch, 4L80E 1991- early 2001
Drum, Overrun Clutch w/ Sun Gear (Uses 34650 Roller Clutch)
 
Drum, Overrun Clutch, 4L80E  1991- early 2001 $134.66
A34551A         Drum, Overrun Clutch, 4L80E, Late 2001-UP
Drum, Overrun Clutch w/ Sun Gear (Uses 34650A Roller Clutch)
 
  $97.38
A34555E         Drum, 4L80E Direct drum, 1991 + (NO sprag or race)
Drum, Direct (5 Clutch) (w/o Sprag)
Drum only-No Race or sprag included
 
Drum, 4L80E Direct drum,  1991 +  (NO sprag or race) $121.01
A34960E         Piston, 4L80E Overrun clutch (BONDED RUBBER)
1991-UP
 
Piston, 4L80E Overrun clutch (BONDED RUBBER) $14.74
A34964EA         Piston, 4L80E FWD clutch
Stamped steel with bonded Lip Seal 1997-UP
 
Piston, 4L80E FWD clutch $19.01
A34965G         Piston, 4L80E DIRECT clutch Molded rubber) 97-UP
Molded rubber, 1997-UP, will retro fit back to 1991
ALT VENDOR # A34965EA
 
Piston, 4L80E DIRECT clutch Molded rubber) 97-UP $18.47
D34146B         Pressure Plate, 4L80E Direct clutch

 
  $20.63
D34156         Pressure plate , 4L80E, Direct / Overrun

 
Pressure plate , 4L80E,  Direct / Overrun $21.96
D34964E         Piston, 400 / 4L80E FWD clutch 1991-95
(O.E. #8675508)
 
  $77.81
D34965E         Piston, 400 / 4L80E Direct clutch (6 clutch LATE)
ALUMINUM, with out check ball, (DISH SPRING TYPE) (O.E. #8675511) .623 inch tall / Uses retainer with springs (CAST#8675510)
 
Piston, 400 / 4L80E Direct clutch  (6 clutch LATE) $31.10
D34970         Retainer with springs, 4L80E Overrun clutch retainer

 
  $27.04

Filters
Part   #       Name & Description Image Price  
34016         Screen, 4L80E PWM / TCC solenoid-in case
THIMBLE Type, .Common brand - Allomatic
 
Screen, 4L80E PWM  /  TCC solenoid-in case $1.73
34018         Screen 4L80E Force Motor / pressure control
Common brand - Allomatic
 
Screen 4L80E Force Motor  /  pressure control $5.58
34010E         Filter, (X) 4L80E 1991-96
Common brand - SPX
 
Filter,  (X) 4L80E 1991-96 $14.21
34010EA         Filter, 4L80E 1997-UP
Common brand - SPX
ALT # 031944B
 
Filter, 4L80E  1997-UP $14.23
34018A         Filter, 4L80E Shift Solenoid (LONG)
Screen, Shift Solenoid (Long) In Valve Body w/ O-Ring
 
Filter, 4L80E Shift Solenoid  (LONG) $3.60
A34010E         Filter, 4L80E 1991-96
Common brand - Allomatic
 
Filter, 4L80E 1991-96 $5.67

Gaskets & O rings
Part   #       Name & Description Image Price  
34308         Gasket, 4L80E Accumulator

 
Gasket, 4L80E Accumulator $0.99
34348         O-Ring, 4L80E extension housing

 
  $2.62
74311         O-Ring, 700 / 4L60E / 4L80E, Pump
Regular Pump "O" ring
Will not fit the 2004 & up 4L60E design pumps
 
O-Ring, 700 / 4L60E / 4L80E,  Pump $2.29
84379         Seal, 440-T4 / 4T60E filter Seal, 1983-UP
Also fits 4L80E, 4T65E
 
Seal, 440-T4 / 4T60E filter Seal, 1983-UP $2.46
34300E         Pan Gasket: 4L80E (except JAGUAR)
OE type Cork gasket
 
Pan Gasket:  4L80E   (except JAGUAR) $4.81
34300EF         Pan Gasket: 4L80E (except JAGUAR)
Updated Fiber gasket
 
Pan Gasket:  4L80E   (except JAGUAR) $9.01
34300EJF         Pan Gasket: 4L80E (JAGUAR) (FIBER)
JAGUAR case only
 
Pan Gasket: 4L80E  (JAGUAR) (FIBER) $7.91
34300EW         Pan Gasket: 4L80E (except JAGUAR)
Bonded Gasket
 
Pan Gasket:  4L80E   (except JAGUAR) $37.75
34307A         Gasket 4L80E, Rear servo cover

 
Gasket 4L80E, Rear servo cover $2.22
34310E         Gasket, 4L80E Pump cover to case

 
Gasket, 4L80E Pump cover to case $1.84
34312E         O-Ring, 4L80E Pump BOLT

 
  $1.71
34320E         Gasket, 4L80E valve body upper, 1991-UP

 
  $2.00
34321E         Gasket, 4L80E valve body lower, 1991-UP

 
Gasket, 4L80E valve body lower, 1991-UP $1.59
34380E         O-Ring, 4L80E Turbine shaft

 
  $1.76

Hard parts
Part   #       Name & Description Image Price  
A34551AK         Overdrive drum kit, 4L80E
Retro fits back to 1991 Includes: overrun clutch drum w/sungear, overrun clutch return retainer w/spring, overrun clutch spring retainer snap ring, overdrive roller clutch, overdrive planet
 
  $393.16
A34554EA         Drum, Forward Clutch , 4L80E 1997+ w/ Ring Gear
Drum, Forward Clutch w/ Ring Gear (Molded Piston Type)
 
Drum, Forward Clutch , 4L80E  1997+   w/ Ring Gear $131.15
A34580         Planet Overdrive, 4L80E,
1991-2000
 
  $176.58
A34580K         Planet Overdrive KIT, 4L80E, WITH shaft , 1991-2000
Planet has 3.215 inch dia. INSIDE RACE
 
  $120.16
A34630EB         Center Support, (w/ Lube Hole Passage) 1997-98
NO spacer type
 
Center Support, (w/ Lube Hole Passage)  1997-98 $124.69
A34630EC         Center Support, (w/ Lube Hole Passage) 1999+
Spacer type - will retro to 1997 if used with spacer
 
Center Support, (w/ Lube Hole Passage) 1999+ $126.35
A34783A         BOLT, 4L80E Center Support to Case
Center Support bolt
 
BOLT, 4L80E Center Support to Case $2.26
D34594S         Ring Gear, Rear 400 / 4L80E (Straight Teeth)
1991-96 4L80E & some 400, NEW Delco.
 
  $262.92
D34784         BOLT, 4L80E 4th Clutch Housing to Case
Bolt, 4th Clutch Housing to Case
 
BOLT, 4L80E 4th Clutch Housing to Case $9.16
U34554E         DRUM, 4L80E FORWARD CLU W/RING GEAR
Good used Drum
 
  $137.94

Metal Clad Seals
Part   #       Name & Description Image Price  
34074         Seal, Rear, 400 / 4L80E, 1 13/16 inch ID
SEAL, Rear Seal (2.710" OD x 1.830"), LARGE, TRUCK STYLE
(Transmissions) Muncie M20, M21, M22(Transmissions) (32 Spline Main Shaft)
NP 208, NP 231, NP 233, NP241, NP243 (Transfer case)
Industry Ref # 18992
 
Seal, Rear, 400 / 4L80E,  1 13/16 inch ID $2.91
34079         Seal, 4L80E Cooler line fitting to center support
OE-24203511
 
Seal, 4L80E Cooler line fitting to center support $2.73
44072         Seal, Linkage, Most GM except PG
400, 425, 350 series, 300, 325, 180, 4L80E, 200, 2004R, 2ML70
 
Seal, Linkage, Most GM except PG $1.30
34070E         Seal, Front, 4L80E , 1991-UP

 
Seal, Front, 4L80E , 1991-UP $3.84
34073E         Seal, Case, 4L80E
NOT a extention housing seal
 
Seal, Case, 4L80E $6.28
34074EA         Seal, Rear, 4L80E (OVER 12,000LBS. GVW)
Rear, 2.887 inch OD,
 
Seal, Rear, 4L80E  (OVER 12,000LBS. GVW) $7.58
D34074EB         Seal, Rear, 4L80E with Boot,
2.700" OD, w/ Boot
 
  $8.89

Miscellaneous Items
Part   #       Name & Description Image Price  
A44839         Transmission MAGNET, Square
Magnet fits in most pans, Traps fine metal shavings
Approx 1 inchL x 3/4 inch W
 
Transmission MAGNET,  Square $2.34
A44839B         Transmission MAGNET, round
Round, thick (.250" +-) Magnet fits in most pans to trap fine metal shavings
 
Transmission MAGNET, round $2.21
D34991F-4         Shift Lever Shaft , 4L80E/85E, ( 5 1/2" LONG) 1995-UP

 
  $16.07
D74996B         Cooler line case connector - GM late -SOME
Late GM snap in type for 3/8" lines
 
Cooler line case connector - GM  late -SOME $3.73
LA-2001K         18 oz. Cooler line cleaner with 5/16 and 3/8 adapter
Always flush the cooling system
Contaminated fluid will stay in the cooling system, this will flush out the system and prevent re-contamination to the transmission!

Life Automotive Products INVENTED, DESIGNED & PATENTED the first aerosol Transmission Cooler Flush product in 1993 utilizing an OEM approved, biodegradable cleaning agent. Trans Flush's
 
18 oz. Cooler line cleaner with 5/16 and 3/8 adapter $24.68
M463SA         Ground strap, 14 inch long
Missing or bad ground straps can cause many problems.
A must check item on every rebuild.
 
Ground strap, 14 inch long $3.62
M463SB         Ground strap, 42 inch long
Missing or bad ground straps can cause many problems. A must check item on every rebuild
 
Ground strap, 42 inch long $7.52
M465SC         Trans Prep green Transmission Assembly Lube
YOU NEED THIS ON EVERY REBUILD
Specifically designed for automatic or manual transmission assembly. Lubricates o-rings, gaskets, bearings, bushings, sealing rings, thrust washers & seals during assembly. It's unique blue color prevents misdiagnosing leaks. Trans Prep will not melt at shop temperatures up to 135 ° & is formulated to dissolve quickly at oper
 
Trans Prep green Transmission Assembly Lube $11.48
S34991E-4         Shift Lever Shaft ,4L80E 1991-94 (4.660" OVERALL LENGTH)
Sonnax, 1991-94 Short Version 4L80-E, All 400
 
Shift Lever Shaft  ,4L80E  1991-94   (4.660" OVERALL LENGTH) $35.81

Pumps
Part   #       Name & Description Image Price  
A34510EA         PUMP BODY, 4L80E W/PUMP GEARS 1997-UP
Pumps, Stators, B & G
 
PUMP BODY, 4L80E W/PUMP GEARS 1997-UP $106.91
A34530A         Pump gears, 4L80E
Standard size, set of pump gears 1991-up
 
Pump gears, 4L80E $16.47
D34507BV         Boost Valve, 4L80E
Press Regulator (.855") (91-E95)
 
  $22.14
D34507C-3         TCC Relief valve SPRING, 4L80E, 2001-04

 
  $7.84
D34507CV         Pressure Regulator Boost Valve, 4L80E, 1995-ON

 
Pressure Regulator Boost Valve, 4L80E, 1995-ON $22.10
P34500E         Pump Assembly, 4L80E, 1991-96,
Rebuilt pump - Both cooler lines behind bell
Note: There will be an additional $80.00 Core
 
Pump Assembly, 4L80E, 1991-96, $295.98
P34500EA         Pump Assembly, 4L80E 1997-2003
Only 1 cooler line behind bell
Note: There will be an additional $80.00 Core
 
Pump Assembly, 4L80E 1997-2003 $295.68
P34500EB         Pump Assembly, 4L80E 2004-Up
One Cooler Fitting (New Design Case)
Note: There will be an additional $80.00 Core
 
Pump Assembly, 4L80E 2004-Up $295.72
S34507C-6         PLUG, TCC Valve bore plug, 4L80-E
Bag of 5
 
  $9.00
S34507C-6A         PLUG, TCC Valve END plug, 4L80-E, SMALL
Bag of 5
 
PLUG, TCC Valve END plug, 4L80-E, SMALL $21.37
S34507C-6B         PLUG, TCC Valve END plug, 4L80-E, .684 inch dia.
Bag of 5
 
PLUG, TCC Valve END plug, 4L80-E,  .684 inch dia. $19.55
S34507P-1         Valve, Press Regulator Line to Tube, 4L80E 91-UP
Valve, Press Regulator Line to Tube
 
Valve, Press Regulator Line to Tube, 4L80E 91-UP $89.69
S34507RAK         Boost valve, self regulating, 4L80E
Sonnax Part # 34200-10K , Alt. vender: # W-S34507HRK
REV BOOST VALVE & SLEEVE, 4L80E(W/O-RINGS)SONNAX

Click for Sonnax Information Sheet
 
Boost valve, self regulating, 4L80E $93.92
S34507RBK         Reverse boost valve & sleeve kit, 4L80
Sonnax Part # 34200-03K , Alt. vender: # W-S34507ERK
OE Style boost valve & sleeve, with with balance plug, BOOST VALVE & SLEEVE, 4L80E REV 89-UP

Click for Sonnax Information Sheet
 
Reverse boost valve & sleeve kit, 4L80 $27.60
T-172         Tool, Pump Alignment Universal
REPLACES: T2862 / T2162 / T1062 / T1762 / T1097 / T2962
Fits all past, present & future applications
Utilize a wider band for better tool to pump alignment
Better pump alignment due to the constant, even pressure
Very easy to use
Less expensive than buying individual sizes Pump Alignment Chart Guide
 
Tool, Pump Alignment Universal $135.28

Remanufactured Valve Bodies
Part   #       Name & Description Image Price  
P34740-1         Valve body 4L80E , 97-03 , w/black holley type solenoid
Remanufactured valve body: w/updated TCC regulator, actuator limit valves, w/new EPC/PSM
Reference # P34990J
Please note that core deposit maybe required before shipping.
 
Valve body 4L80E , 97-03 , w/black holley type solenoid $421.61
P34740-2         Valve body 4L80E , 92-96 , w/o tot switch
Remanufactured valve body: w/updated TCC regulator, actuator limit valves, w/new EPC/PSM
Reference # P34990G
Please note that core deposit maybe required before shipping.
 
Valve body 4L80E , 92-96 , w/o tot switch $373.39
P34740-3         Valve body 4L80E , 91-92 , w/tot switch
Remanufactured valve body: w/updated TCC regulator, actuator limit valves, w/new EPC/PSM
Reference # P34990E
Please note that core deposit maybe required before shipping.
 
Valve body 4L80E , 91-92 , w/tot switch $379.39
P34740-6         Valve body 4L80E , 04-Up , w/silver holley type solenoid
Remanufactured valve body: w/updated TCC regulator, actuator limit valves, w/new EPC/PSM
Reference # P34990K
Please note that core deposit maybe required before shipping.
 
Valve body 4L80E , 04-Up , w/silver holley type solenoid $378.49
T-BB100         Tool, Bench buddy kit
Superior Bench Buddy (Superior BB100 )
Problem Solver
Impregnated with a special super fine abrasive, Bench Buddy brushes easily remove small burrs and polish the inside of a valve bore with virtually no enlargement of the bore diameter itself. Each Bench Buddy kit features 4 different sized brushes. * Improves the surface finish of a bore by up to 50% * Restore smooth valve operation i
 
Tool, Bench buddy kit $60.85
T-BB100A         Accumulator Buddy Kit / Bore B rushes

 
Accumulator Buddy Kit / Bore B rushes $74.52

Servos & Accumulators
Part   #       Name & Description Image Price  
A34912A         Piston, Rear Servo 4L80E (BILLET ALUM ) 1997+
Raised Hump
 
  $120.79
A34946         Spring, 400 / 4L80E Rear Servo (BLUE)

 
  $2.85
D34905BAK         Front Servo Piston & Sleeve 4L80 1991+

 
Front Servo Piston & Sleeve 4L80   1991+ $17.83
D34905BK         Piston Assembly, Front Servo (2.730" Long Pin)
1991-2003
As available,
 
Piston Assembly, Front Servo (2.730" Long Pin) $29.38
D34913E         Pin, Rear Servo 400/4L80E (3.415")
NO LONGER AVAILABLE
 
  $0.00
D34913H         Pin, Rear Servo , 400/4L80E (3.471")

 
Pin, Rear Servo , 400/4L80E   (3.471") $0.00
D34932         Piston, 4L80E 3rd clutch accumulator.

 
Piston, 4L80E 3rd clutch accumulator. $12.25
D34937         Piston, 4L80E 4th clutch accumulator

 
Piston, 4L80E 4th clutch accumulator $29.98

Solenoids
Part   #       Name & Description Image Price  
34418         Solenoid, 4L80E TCC (PWM) 2000 +
1991-UP OE / Rostra
 
Solenoid, 4L80E TCC (PWM)  2000 + $23.75
34421         Solenoid, 4L80E 1-2, 2-3, 3-4 (Solenoid A or B)
1 solenoid! Order 2 if replacing both., Common brands - Rostra
 
Solenoid, 4L80E 1-2, 2-3, 3-4  (Solenoid A or B) $13.90
34435         Solenoid, EPC 4L30E SILVER CAN 1990-99
Solenoid, EPC (Bosch) (2 Bottom Prongs)
4L80E 1991-93
 
Solenoid, EPC  4L30E   SILVER CAN  1990-99 $195.98
34436         Sensor, 4L80E INPUT / OUTPUT speed
1 solenoid, Order 2 per unit !!, Common brands - Original Equipment Vendor
 
Sensor, 4L80E INPUT / OUTPUT speed $22.42
34442         Switch, 4L80E Manifold Pressure Switch
Manifold pressure range sensor , Common brands - Original Equipment Vendor
 
Switch, 4L80E Manifold Pressure Switch $26.35
34446         Wire harness, 4L80E Internal, Late 1993-UP
For 1991 to 1992 with the Bolt Together harness you must upgrade to the Inner & outer set (order # 34446K) , Common brands - Rostra / Delco
 
Wire harness, 4L80E Internal, Late 1993-UP $49.68
34420K         Solenoid kit, 4L80E 1991-02
Kit includes
(2) A34421, 1-2 shift & 2-3 shift
(1) 34418, TCC (PWM)
(1) 34435A, EPC, , Various brands

order ind.
 
Solenoid kit, 4L80E 1991-02 $143.15
34435A         Solenoid, EPC 4L60E (93-02), 4L80E(94-03), 4T80E (93-03)
4L30E EXC BMW (90-99)Solenoid, EPC (Holley) (2 Bottom Prongs)
4L80E 1994-2003 Also Fits 1991-93 4L80E if you order # D34843E clip, Common brands - Import Taiwan
 
Solenoid, EPC 4L60E (93-02), 4L80E(94-03), 4T80E (93-03) $53.51
34435B         Solenoid, EPC 4L80E (2004-UP), 4L60E, 4L65E (2003-UP)
OEM # 24224905, Common brands - Borg Warner
 
Solenoid, EPC 4L80E (2004-UP), 4L60E, 4L65E (2003-UP) $22.56
34435C         Solenoid, EPC, 4T80E / 4L80E E2004-UP
OEM # 24225320, Common brands - Borg Warner
 
Solenoid, EPC, 4T80E / 4L80E E2004-UP $45.20
34445EK         Wiring harness, 4L80E EXTERNAL repair, Late 1993-up
For 1991 to 1992 with the Bolt Together harness you must upgrade to the Inner & outer set (order # 34446K) , Common brands - Rostra
 
Wiring harness, 4L80E EXTERNAL repair,  Late 1993-up $53.95
34446K         Wiring harness, 4L80E INTERNAL & EXTERNAL Snap type, 1991-03
Kit includes- Internal wiring harnes & External replacement connector, Common brands - Rostra
 
Wiring harness, 4L80E INTERNAL & EXTERNAL  Snap type, 1991-03 $110.20
34477A         Reluctor wheel, 4L80E Speed sensor, 1991-UP
Presses on rear planet
 
Reluctor wheel, 4L80E Speed sensor,  1991-UP $26.32
A34431E         Vaccum pressure control system, 4L80E
Replaces EPC / FORCE motor solenoid, Transgo # 48-MOD, For RACING & TRANSPLANTS , Common brands - Transgo
 
  $122.52
D74410A         Switch, 4L60E / 4L80E MLP Sensor, PRNDL switch
Most 1995-UP TRUCKS WITH One 7 Prong Connector & One 4 Prong Connector
 
Switch, 4L60E / 4L80E MLP Sensor, PRNDL switch $60.73
D74410B         Switch, 4L65E/4L80E PRNDL MLP 2004-UP 11 pin
MLP Sensor (PRNDL) (4L65E) (One 11 Pin Connector)
 
Switch,  4L65E/4L80E PRNDL MLP 2004-UP 11 pin $81.78

Sonnax Items
Part   #       Name & Description Image Price  
S34064BA         Bushing, 400/4L80E Case (NO WALK-OUT)
Sonnax
 
  $10.83
S34181         FORWARD CLUTCH DRUM SEALING RI NGS OS 4L80E

 
  $8.12
S34204A         BATWING THRUST WASHERS 4L80E ( 1999-UP)

 
  $21.28
S34214         BEARING, THRUST, PLANETARY 4L8 0E (LATE 1991&UP), 4T60 & E, 4

 
  $11.43
S34232BK         FORWARD CLUTCH HUB WASHERS (FR ONT) GM 4L80E, THM400

 
  $45.24
S34235-078         Washer, 400/4L80E FWD HUG .078 OVERSIZED (SONNAX)

 
  $25.22
S34235-094         Washer, 400/4L80E FWD HUB .094 OVERSIZED (SONNAX)

 
  $24.64
S34444-1         BRACKET, CONNECTOR,4L80E WIREHARNESS

 
  $6.99
S34507C-6         PLUG, TCC Valve bore plug, 4L80-E
Bag of 5
 
  $9.00
S34507C-6A         PLUG, TCC Valve END plug, 4L80-E, SMALL
Bag of 5
 
PLUG, TCC Valve END plug, 4L80-E, SMALL $21.37
S34507C-6B         PLUG, TCC Valve END plug, 4L80-E, .684 inch dia.
Bag of 5
 
PLUG, TCC Valve END plug, 4L80-E,  .684 inch dia. $19.55
S34507FA         VALVE/SLEEVE BOOST W/PR SPRING 4L80E 91-UP

 
  $40.37
S34507P-1         Valve, Press Regulator Line to Tube, 4L80E 91-UP
Valve, Press Regulator Line to Tube
 
Valve, Press Regulator Line to Tube, 4L80E 91-UP $89.69
S34507RAK         Boost valve, self regulating, 4L80E
Sonnax Part # 34200-10K , Alt. vender: # W-S34507HRK
REV BOOST VALVE & SLEEVE, 4L80E(W/O-RINGS)SONNAX

Click for Sonnax Information Sheet
 
Boost valve, self regulating, 4L80E $93.92
S34507RBK         Reverse boost valve & sleeve kit, 4L80
Sonnax Part # 34200-03K , Alt. vender: # W-S34507ERK
OE Style boost valve & sleeve, with with balance plug, BOOST VALVE & SLEEVE, 4L80E REV 89-UP

Click for Sonnax Information Sheet
 
Reverse boost valve & sleeve kit, 4L80 $27.60
S34555E-2         DIRECT DRUM SLEEVE KIT 4L80E & 400

 
  $59.33
S34584A-1B         PINION WASHER, STEEL 4L80E (19 99 & EARLIER)

 
  $7.05
S34741C-1         SEAL RING, TEFLON,4L80-E FOR
Pump Parts
 
  $23.00
S34741CK         Valve kit, 4L80E TCC regulator
Sonnax Part # 34994-01K , Alt. vender: # W-S34741CK
Reduces converter shutter and burned converters, VALVE KIT, 4L80E TCC REG

Click for Sonnax Information Sheet
 
Valve kit, 4L80E TCC regulator $28.74
S34741LK         Valve kit, 4L80E Acutator Feed Limit
Sonnax Part # 34200-16K , Alt. vender: # W-S34741FK
(Requires tool T-77754-TL), LIMIT VALVE KIT, 4L80E ACTUATOR FEED(REQUIRES

Click for Sonnax Information Sheet
 
Valve kit, 4L80E Acutator Feed Limit $53.36
S34741MK         KIT,4L80E MANUAL VALVE UPGRADE 91-UP

 
  $71.40
S34741S-3         Spring, 4L80E 1-2 Shift Valve
Separator Plates
 
  $6.91
S34875RK         400 PLANETARY REBUILD KIT 4L80 E (1991-1998)

 
  $24.40
S34880RK         PLANETARY REBUILD KIT 4L80E (1999-UP)

 
  $40.02
S34915A-5         SERVO SPACER KIT REVERSE 4L80E 96-UP (SONNAX)

 
  $20.00
S34991E-4         Shift Lever Shaft ,4L80E 1991-94 (4.660" OVERALL LENGTH)
Sonnax, 1991-94 Short Version 4L80-E, All 400
 
Shift Lever Shaft  ,4L80E  1991-94   (4.660" OVERALL LENGTH) $35.81

Sprags
Part   #       Name & Description Image Price  
A34650         Roller clutch, 4L80E overdrive 1991-2001E
Black plastic cage, .310 inch roller diameter, 1991-2001E
 
Roller clutch, 4L80E overdrive 1991-2001E $30.29
A34650A         Roller Clutch, Overdrive (.195" OD Rollers, 3" OD Roller Clutch) (Blue Inserts) (L01-Up)

 
Roller Clutch, Overdrive (.195" OD Rollers, 3" OD Roller Clutch) (Blue Inserts) (L01-Up) $18.67
A34652A         Sprag, (Z) 400 / 4L80E intermediate, (34 element CAM TYPE)
On 400's only fits the early type drums.
 
Sprag,  (Z) 400 / 4L80E intermediate,  (34 element CAM TYPE) $76.65
A34652B         Sprag, 400 / 4L80E Intermediate (16 Elements - CAM type)
Fits 1965-1977 drums
 
Sprag, 400 / 4L80E  Intermediate (16 Elements - CAM type) $37.08
A34654         Roller clutch, FMX / AOD / E/ 400 / 4L80E LOW
LOW / REAR sprag, Spring & roller type
Also fits 4L80E 91-E95 only
 
Roller clutch, FMX / AOD / E/ 400 / 4L80E  LOW $12.97
A34654E         Roller clutch, 4L80E Low, with 8 vertical tabs
L95-UP, for late design planetary
 
Roller clutch, 4L80E Low, with 8 vertical tabs $19.72

Thrust Washers & Bearings
Part   #       Name & Description Image Price  
34200E         Thrust washer kit, 4L80E
Flat thrust washers
 
  $63.00
34201E         Bearing kit, 4L80E, 1991-UP
Flat torrington / thrust bearings
 
  $38.94
34211HA         Washer, 4L80E pump .059 inch (BLUE)
BLUE
 
  $10.78
34211HB         Washer, 4L80E pump .075 inch (RED)
RED
 
  $7.82
34211HC         Washer, 4L80E pump, .091 inch
BROWN
 
  $8.26
34211HD         Washer, 4L80E pump, .107 inch
Green
 
  $16.80
34211HE         Washer, 4L80E pump, .123 inch
Black
 
  $21.84
34211HK         Washer kit, 4L80E pump SELECTIVE washers
5 Selective pump washers only
 
  $67.45
34270T         Washer, 400 / 4L80E, Case saver, 3 Tang washer REPLACEMENT
3 Tang Washer Replacement
 
  $4.55
54244A         Washer, 400 / 4L80E, Front planet to rear planet, Plastic
4 tang, Also fits 200 / 2004R / 325 series, Shell to Low / rev clutch housing, .060 inch (PLASTIC)
 
  $2.08
D34226A         Washer, 400 / 4L80E, Center support to front planet *If Available
*Email for availability - Plastic type
 
  $22.90
D34249AK         Bearing & race, 4L80E, FWD sun gear to rear ring gear
1997-up, This bearing is for the 4L80E mobels that are equipped with center lube circuit
 
  $6.65
D34269         Washer, 400 / 4L80E, Case .076 inch
3 tang case washer
 
  $40.36
D34269A         Washer, 400 / 4L80E, Case .084 inch
3 tang case washer
 
  $26.62
D34269B         Washer, 400 / 4L80E, Case .092 inch
3 tang case washer
 
  $25.87
D34269C         Washer, 400 / 4L80E, Case .100 inch
3 tang case washer
 
  $25.74
D34269D         Washer, 400 / 4L80E, Case .108 inch
3 tang case washer
 
  $25.52
D34269E         Washer, 400 / 4L80E, Case .116 inch
3 tang case washer
 
  $22.05

Tools
Part   #       Name & Description Image Price  
T-0015         Tool, LIP Seal installer
Universal Transmission - Lip Seal Installer. Helps to roll most lip seals in without damage.
 
Tool, LIP Seal installer $38.15
T-0280-C         Tool, Bushing cutting chisel ***NOW AVAILABLE!!***
Cuts using the Curl Cut method. Also known as a Tailpipe cutter.
***NOW IN-STOCK! CALL TODAY TO GET YOURS!***
 
Tool, Bushing cutting chisel ***NOW AVAILABLE!!*** $39.81
T-1079         Tool, Double pointed scribe, 9 1/4 long
Heat treated high carbon steel picks. Removes O rings, gaskets, springs and great for removing snap rings.
Straight and 90 degree angle points.
 
Tool, Double pointed scribe,  9 1/4 long $18.84
T-172         Tool, Pump Alignment Universal
REPLACES: T2862 / T2162 / T1062 / T1762 / T1097 / T2962
Fits all past, present & future applications
Utilize a wider band for better tool to pump alignment
Better pump alignment due to the constant, even pressure
Very easy to use
Less expensive than buying individual sizes Pump Alignment Chart Guide
 
Tool, Pump Alignment Universal $135.28
T-1893-M         GM Transmission & Engine Oil Cooling Line Disconnect *OUT OF STOCK
(1 tool) GM-Jiffy Tite-Transmission & Engine Oil Cooling Line Disconnect.
This new disconnect tool allows for quick and safe disassembly and reassembly of most GM - 4L60E, 4L80E and 4T80E 3/8 inch. and 1/2" transmission and engine oil cooling lines.
Use of the tool will allow for quick change without damaging the tube or the retaining clip - saving you time.
 
GM Transmission & Engine Oil Cooling Line Disconnect *OUT OF STOCK $66.28

Torque converters
Part   #       Name & Description Image Price  
TC-GM81         Torque converter, 4L80E (Lock-Up)
Diameter - 13.75", Pilot - 1.703", Mount - 6 Pads, Splines - 35
Notes - 2.05" Tall Hub, Low Stall 1991-97 Low Stall
NOTICE: Converters do not qualify for free shipping! Some Converters may require an $80.00 core charge added to order. We will contact you if core charge is required on your converter.
 
Torque converter, 4L80E (Lock-Up) $200.80
TC-GM81-BP         Torque converter, 4L80E (Lock-Up)
Diameter - 13.75", Pilot - 1.703", Mount - 6 Pads, Splines - 35
Notes - 2.05" Tall Hub, Low Stall 1991-97 Low Stall
w/ Billet Clutch Piston
NOTICE: Converters do not qualify for free shipping! Some Converters may require an $80.00 core charge added to order. We will contact you if core charge is required on your converter.
 
Torque converter, 4L80E (Lock-Up) $391.34
TC-GM82         Torque converter, 4L80E (Lock-Up)
Diameter - 13.75", Pilot - 1.703", Mount - 6 Pads, Splines - 35
Notes - 2.05" Tall Hub High Stall, 1991-97 High Stall
NOTICE: Converters do not qualify for free shipping! Some Converters may require an $80.00 core charge added to order. We will contact you if core charge is required on your converter.
 
Torque converter, 4L80E (Lock-Up) $190.17
TC-GM82-BP         Torque converter, 4L80E (Lock-Up)
Diameter - 13.75", Pilot - 1.703", Mount - 6 Pads, Splines - 35
Notes - 2.05" Tall Hub High Stall, 1991-97 High Stall
w/ Billet Clutch Piston
NOTICE: Converters do not qualify for free shipping! Some Converters may require an $80.00 core charge added to order. We will contact you if core charge is required on your converter.
 
Torque converter, 4L80E (Lock-Up) $363.51
TC-GM88         Torque converter, 4L80E (Lock-Up)
Diameter - 13.75", Pilot - 1.703", Mount - 6 Pads, Splines - 35
Notes - 2.65" Tall Hub low Stall, 1998-Up
NOTICE: Converters do not qualify for free shipping! Some Converters may require an $80.00 core charge added to order. We will contact you if core charge is required on your converter.
 
Torque converter, 4L80E (Lock-Up) $264.06
TC-GM88-BP         Torque converter, 4L80E (Lock-Up)
Diameter - 13.75", Pilot - 1.703", Mount - 6 Pads, Splines - 35
Notes - 2.65" Tall Hub low Stall, 1998-Up
w/ Billet Clutch Piston
NOTICE: Converters do not qualify for free shipping! Some Converters may require an $80.00 core charge added to order. We will contact you if core charge is required on your converter.
 
Torque converter, 4L80E (Lock-Up) $388.46
TC-GM88H         Torque converter, 4L80E (Lock-Up)
Diameter - 13.75", Pilot - 1.703", Mount - 6 Pads, Splines - 35
Notes - 2.65" Tall Hub High Stall, 1998-Up
NOTICE: Converters do not qualify for free shipping! Some Converters may require an $80.00 core charge added to order. We will contact you if core charge is required on your converter.
 
Torque converter, 4L80E (Lock-Up) $259.67
TC-GM88H-BP         Torque converter, 4L80E (Lock-Up)
Diameter - 13.75", Pilot - 1.703", Mount - 6 Pads, Splines - 35
Notes - 2.65" Tall Hub High Stall, 1998-Up
w/ Billet Clutch Piston
NOTICE: Converters do not qualify for free shipping! Some Converters may require an $80.00 core charge added to order. We will contact you if core charge is required on your converter.
 
Torque converter, 4L80E (Lock-Up) $388.85

Transmission repair manuals
Part   #       Name & Description Image Price  
34400E         Transmission repair manual, 4L80E
ATSG automatic transmission repair manual, Disassembly, inspection and assembly sections. Diagnosis, testing and lot of pictures
THM 4L80-E Transmission found in Trucks and vans, 1991-UP.
Covers transmission assembly, dis-assembly, diagnosis, troubleshooting, and Electronic Controls & Operation
 
Transmission repair manual, 4L80E $43.75
34400EC         4L60E/65E/70E - 4L80E/85E Diagnostic Code Book ATSG
The GM 4L60E/65E/70E - 4L80E/85E Diagnostic Code Book is designed to provide the technician with a step by step diagnosis to each and every transmission code available from 1991 to 2007 model year.
 
4L60E/65E/70E - 4L80E/85E Diagnostic Code Book ATSG $96.25
34400E-V         Transmission repair Video and Manual, GM 4L80-E
ATSG automatic transmission rebuilding video, watch as each piece is disassembled, inspected and reassembled. ATSG Video walks you page by page through the technical manual(Included) with hands on explanation of the technical manual.
Includes DVD ATSG Video and Technical Manual
 
Transmission repair Video and Manual, GM 4L80-E $69.25

Valve body kits
Part   #       Name & Description Image Price  
A34747U         Plate, Valve Body ,4L80E 1991-2009
TransGo #48-PLT-01
Separator Plate: Tempered steel for longer life. Plated for rust proof. Replaces 91 to 09 plates
 
Plate, Valve Body ,4L80E  1991-2009 $35.86
S34165E         Shift correction package 4L80E
This valve body kit deals with these problems: * Runaway high pressure * Erratic pressure rise * Converter lock-up shudder * Inconsistent shift feel * Shift solenoid filter blow-out * Premature unit failure 1. The Superior 4L80-E valve body kit offers the option of regular and heavy duty applications in the same package. 2. A complete pressure regulator valve train is supplied in the 4L80-E kit
 
Shift correction package 4L80E $76.60
T34165ED         RING KIT, 4L80-HTRK, 1991-UP TRANSGO
Hi-Temp Low-Shrink Rings & End Play Kit; Corrects No Lock-Up No 4th; Codes 85, 39, 68, Coast Clutch Burn-Up & TCC Slippage Hot
 
RING KIT, 4L80-HTRK, 1991-UP TRANSGO $44.87
T34169E         TransGo Reprogramming Kit 4L80E 91-up Performance / heavy duty kit 4L80E-HD2
TransGo # 4L80E-HD2 Performance / heavy duty kit

Ends direct clutch burnup-Dual feed Direct Clutch, Holds BIG Horsepower. Prevents broken case and drum due to excessive pressure. Includes triple layer separator plate. Easy Installation!
Redesigned and Upgraded kit FEATURES: Dual feed Direct Clutch, Heavy Duty Performance Shifts. Kit has new Separator Plate package, Simple, F
 
TransGo Reprogramming Kit 4L80E 91-up   Performance / heavy duty kit 4L80E-HD2 $191.17
T34173E         TransGo reprogramming kit, 4L80E, Manual shift, 4L80E-3
4L80E-3 - 1991-2004
Stick shift, Full race, Competition, Off Road and Pro-street. Manual shift ONLY!!! Full manual control.
Upgraded for easier install. New triple layer Plate design with Dual feed Direct Clutch. If you have some POWER: It'll rattle your teeth. Easier Installation!!
 
TransGo reprogramming kit,  4L80E, Manual shift,  4L80E-3 $412.37
T-BB100         Tool, Bench buddy kit
Superior Bench Buddy (Superior BB100 )
Problem Solver
Impregnated with a special super fine abrasive, Bench Buddy brushes easily remove small burrs and polish the inside of a valve bore with virtually no enlargement of the bore diameter itself. Each Bench Buddy kit features 4 different sized brushes. * Improves the surface finish of a bore by up to 50% * Restore smooth valve operation i
 
Tool, Bench buddy kit $60.85
T-BB100A         Accumulator Buddy Kit / Bore B rushes

 
Accumulator Buddy Kit / Bore B rushes $74.52