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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

4L80E, 4L85E
Automatic Transmission Parts


Click here for important info on our Transmission Rebuild Kits
Transmission Rebuild in a Box Image Price    
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!
$ 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!
$ 664.13  
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!
$ 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!
$ 748.79  
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!
$ 703.9  
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!
$ 824.16  
High Performance Transmission Rebuild kits Image Price    
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.
$ 188.42  
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  
Deluxe Kits (Super Kits) Image Price    
34008EF Deluxe Kit, 4L80E 91-96
Includes:
overhaul kit, friction clutch plates, standard steel plates
34010E filter
B34024E, N34022 bands
34030E bushing kit
$ 352.28  
34008EBF Deluxe Kit, 4L80E 97-UP
Includes:
overhaul kit, friction clutch plates, standard steel plates
34010EA filter
A34022E band
34030EA bushing kit
$ 361.9  
Transmission Rebuild kits Image Price    
34006EX Master kit, 4L80E 1991-96, NO PAN gasket (with BONDED piston)
Includes: overhaul kit, friction clutch plates & standard steel plates
  $ 206.77  
34006EF Master kit, 4L80E 1991-96, FIBER pan gasket (with BONDED piston)
Includes: overhaul kit, friction clutch plates & standard steel plates
  $ 210.76  
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
  $ 230  
34004EX Banner kit, 4L80E 1991-96 NO PAN gasket (with BONDED piston)
Includes: overhaul kit, friction clutch plates
  $ 144.8  
34004EF Banner kit, 4L80E 1991-95, with fiber pan gasket (with BONDED piston)
Includes: overhaul kit, friction clutch plates
  $ 148.77  
34004EBX Banner kit, 4L80E 1997-UP NO PAN gasket (with BONDED piston)
Includes: overhaul kit, friction clutch plates
  $ 179.24  
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
  $ 80.54  
Bands 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
$ 16.77  
B34024E Band 400 / 425 / 475 / 3L80E / 4L80E Rear
New band, BorgWarner … Low / Reverse new updated design 1997-UP Will replace all 1965-up
$ 39.78  
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
$ 6.06  
D34905BK Piston Assembly, Front Servo (2.730" Long Pin)
1991-2003
As available..
$ 32.42  
Bushings Image Price    
34030E Bushing kit, 4L80E 1991-96

  $ 28.36  
34030EA Bushing kit, (X) 4L80E 1997-UP

  $ 42.46  
34034B Bushing 4L80E pump
OEM style .550 inch wide 1991-96
  $ 1.44  
34034BA Bushing 4L80E pump BABBIT
wide .700 inch 1997-ON
  $ 2.58  
34036B Bushing 4L80E stator support front

  $ 1.19  
34036S Bushing 4L80E stator support
(front , Extra Wide) (bag of 4) Sonnax fix NO LOCKUP CODE 68
  $ 12.37  
34037 Bushing AT540 stator front & sun gear (ft & rear)
also 4L80E overrun drum rear small
HT740 Bushing, Output Shaft
  $ 2.15  
34037B Bushing 4L80E stator rear

  $ 1.44  
34037C Bushing 4L80E sun gear shaft
with Oil Grooves 1997-UP
  $ 2.74  
34038 Bushing 4L80E overrun drum front
2.001 inch OD
  $ 1.63  
34044B Bushing 4L80E center support (Up to L 1997)
Twin Groove (can retro fit 400)
  $ 4.21  
34044C Bushing 4L80E center support Late 1997 up
U-Shaped lube circuit 4.02 inch
  $ 7.15  
34048 Bushing 4L80E Forward drum

  $ 1.44  
34053 Bushing 400 / 4L80E Front planet

  $ 3.81  
34062B Bushing 400 / 4L80E Output shaft (narrow)
1974-UP
  $ 2.24  
34064B Bushing 4L80E case 1991-1992
OE style 1991-1992
  $ 1.58  
34064BC Bushing, Case, 4L80E (OEM STYLE) (2.128 BRONZE) 1993-UP
Bushing, Case 1993+ OEM Style (2.128" Bronze)
  $ 9.85  
S34064BA Bushing, 400/4L80E Case (NO WALK-OUT)
Sonnax
  $ 10.72  
34066C Bushing 4L80E extension housing 1991-2003
2.020 inch OD X 1.000 inch LONG with lube hole
  $ 2.88  
Filters Image Price    
34010E Filter, (X) 4L80E 1991-96
Common brand - SPX
$ 14.57  
34010EA Filter, 4L80E 1997-UP
Common brand - SPX
$ 14.63  
A34010E Filter, 4L80E 1991-96
Common brand - Allomatic
$ 6.51  
34016 Screen, 4L80E PWM / TCC solenoid-in case
THIMBLE Type...Common brand - Allomatic
$ 2.37  
34018 Screen 4L80E Force Motor / pressure control
Common brand - Allomatic
$ 5.57  
34018A Filter, 4L80E Shift Solenoid (LONG)
Screen, Shift Solenoid (Long) In Valve Body w/ O-Ring
$ 3.6  
Gaskets & O rings Image Price    
34300E Pan Gasket: 4L80E (except JAGUAR)
OE type Cork gasket
$ 3.08  
34300EF Pan Gasket: 4L80E (except JAGUAR)
Updated Fiber gasket
$ 6.97  
34300EW Pan Gasket: 4L80E (except JAGUAR)
Bonded Gasket
$ 30.35  
34300EJF Pan Gasket: 4L80E (JAGUAR) (FIBER)
JAGUAR case only
$ 6.14  
34310E Gasket, 4L80E Pump cover to case

$ 2.1  
74311 O-Ring, 700 / 4L60E / 4L80E, Pump
Regular Pump "O" ring
Will not fit the 2004 & up 4L60E design pumps
$ 2.29  
34312E O-Ring, 4L80E Pump BOLT

  $ 1.71  
34307A Gasket 4L80E, Rear servo cover

$ 2.22  
34320E Gasket, 4L80E valve body upper, 1991-UP

  $ 2.26  
34321E Gasket, 4L80E valve body lower, 1991-UP

$ 2.21  
34348 O-Ring, 4L80E extension housing

  $ 2.57  
84379 Seal, 440-T4 / 4T60E filter Seal, 1983-UP
Also fits 4L80E, 4T65E
$ 2.43  
34380E O-Ring, 4L80E Turbine shaft

  $ 1.76  
34308 Gasket, 4L80E Accumulator

$ 0.99  
Metal Clad Seals Image Price    
34074 Seal, Rear, 400 / 4L80E, 1 13/16 inch ID
2.7 inch OD, LARGE, TRUCK STYLE
$ 2.91  
34079 Seal, 4L80E Cooler line fitting to center support
OE-24203511
$ 2.61  
44072 Seal, Linkage, Most GM except PG
400, 425, 350 series, 300, 325, 180, 4L80E, 200, 2004R, 2ML70
$ 1.25  
34070E Seal, Front, 4L80E , 1991-UP

$ 3.76  
34073E Seal, Case, 4L80E
NOT a extention housing seal
$ 6.42  
34074EA Seal, Rear, 4L80E (OVER 12,000LBS. GVW)
Rear, 2.887 inch OD,
$ 8.14  
D34074EB Seal, Rear, 4L80E with Boot,
2.700” OD, w/ Boot
  $ 11.77  
Clutch plates Image Price    
34100 Friction, 4L80E, 4th clutch, .080, 1991-UP
…… Common brand - Borg Warner
  $ 5.89  
34106 Friction, 400 / 4L80E, Forward / Direct, .080
Smooth …… Common brand - Borg Warner
  $ 4.46  
34116 Friction, 4L80E, Overrun clutch, .080,
1991-up …… Common brand - Borg Warner
  $ 5.24  
34104E Friction, 4L80E, Intermediate clutch, .080 FLAT
1991-up …… Common brand - Borg Warner
  $ 5.2  
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
  $ 5  
A34104HD Friction, 400 / 4L80 Intermediate clutch, High Performance
Red Eagle High performance, Great for Street & Strip use …… Common brand - ALTO
  $ 7.77  
A34106HP Friction, 400 / 4L80E, Forward & Direct, High Performance
Red Eagle High performance, Great for Street & Strip use …… Common brand - ALTO
  $ 6.17  
34120 Steel, 4L80E, 4th clutch, .099,
1991-up …… Common brand - ALTO
  $ 7.07  
34125 Steel, 400 / 4L80E, Intermediate, .070 (WAVED)
1964-up …… Common brand - ALTO
  $ 4.43  
34128 Steel ,400 / 425 / 4L80E, Forward, .077 (FLAT)
1964-up …… Common brand - ALTO
  $ 3.16  
34136 Steel, 4L80E, Overrun clutch, .099
1991-96 …… Common brand - ALTO
  $ 5.12  
34120B Steel, 4L80E, 4th clutch, TURBULATOR w/ holes,
1997-up …… Common brand - ALTO
  $ 7.99  
34124E Steel, 4L80E, Intermediate, .076
1991-up …… Common brand - ALTO
  $ 4.19  
34124EK Steel 4L80E, Intermediate, .076, KOLENE
1991-up, Kolene coated …… Common brand - ALTO
  $ 7.61  
34126A Steel, 400 / 425 / 4L80E, Direct, .090
1964-up …… Common brand - ALTO
AT540 FWD & 4th range - order 5 - 10 as needed
  $ 3.34  
34126B Steel, 400 / 425 / 4L80E, Forward / Direct, .060 (Commercial)
Thin, used to add extra clutches to drum …… Common brand - ALTO
  $ 8.91  
34126AK Steel, 400 / 425 / 4L80E, Forward / Direct, .090, KOLENE
Kolene coated …… Common brand - ALTO
  $ 6.08  
34127D Steel, 400 / 4L80E, Forward / Direct, .054 DISHED
1964-96 …… Common brand - ALTO
  $ 9.62  
34127E Steel, 4L80E, Waved Forward / Direct, .042, 12 Teeth***REPLACED BY 34127EA***
1997-up, 4.825 ID …… Common brand - ALTO
  $ 0  
34127EA Steel, 4L80E, Waved Forward / Direct, .042, 6 Teeth
1997-up, 4.728 ID …… Common brand - ALTO
  $ 11.68  
34127EB Steel, 4L80E, Waved Forward / Direct, .042, 14 Teeth
1997-up, 4.577 ID …… Common brand - ALTO
  $ 11.08  
34128B Steel, 400 / 425 / 4L80E, Forward, .077 (FLAT) KOLENE
1964-up, Kolene coated …… Common brand - ALTO. 34128K
  $ 7.4  
34136B Steel, 4L80E, Overrun clutch, TURBULATOR w/ holes
1997-up …… Common brand - ALTO
  $ 7.04  
34139EA Steel Module, 4L80E, 1996-UP
Standard set of steel plates …… Common brand - Various
  $ 61.91  
34139E Steel Module, 4L80E, 1991-95
Standard set of steel plates …… Common brand - various
  $ 76.44  
D34125A Steel Plate, Intermediate Cushion (Waved) 4L80E

$ 14.78  
Solenoids Image Price    
34420K Solenoid kit, 4L80E 1991-02
Kit includes
(2) 34421, 1-2 shift & 2-3 shift
(1) 34418, TCC (PWM)
(1) 34435A, EPC .. …. Various brands
$ 102.69  
34421 Solenoid, 4L80E 1-2, 2-3, 3-4 (Solenoid A or B)
1 solenoid! Order 2 if replacing both. …. Common brands - Rostra
$ 12.27  
34418 Solenoid, 4L80E TCC (PWM) 2000 +
1991-UP OE / Rostra
$ 24.75  
34435 Solenoid, EPC 4L30E SILVER CAN 1990-99
Solenoid, EPC (Bosch) (2 Bottom Prongs)
4L80E 1991-93
$ 176.39  
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
$ 58.12  
34435B Solenoid, EPC 4L80E (2004-UP), 4L60E, 4L65E (2003-UP)
OEM # 24224905 …. Common brands - Borg Warner
$ 21.28  
34435C Solenoid, EPC, 4T80E / 4L80E E2004-UP
OEM # 24225320 …. Common brands - Borg Warner
$ 55.47  
34442 Switch, 4L80E Manifold Pressure Switch
Manifold pressure range sensor …. Common brands - Original Equipment Vendor
$ 38.23  
34436 Sensor, 4L80E INPUT / OUTPUT speed
1 solenoid, Order 2 per unit !! …. Common brands - Original Equipment Vendor
$ 23.58  
A34431E Vaccum pressure control system, 4L80E
Replaces EPC / FORCE motor solenoid, Transgo # 48-MOD.. For RACING & TRANSPLANTS …. Common brands - Transgo
  $ 165  
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
$ 60.56  
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
$ 60.51  
34446K Wiring harness, 4L80E INTERNAL & EXTERNAL Snap type, 1991-03
Kit includes- Internal wiring harnes & External replacement connector …. Common brands - Rostra
$ 122.31  
34477A Reluctor wheel, 4L80E Speed sensor, 1991-UP
Presses on rear planet
$ 20.77  
D74410A Switch, 4L60E / 4L80E MLP Sensor, PRNDL switch
Most 1995-UP TRUCKS WITH One 7 Prong Connector & One 4 Prong Connector
$ 67.41  
D74410B Switch, 4L65E/4L80E PRNDL MLP 2004-UP 11 pin
MLP Sensor (PRNDL) (4L65E) (One 11 Pin Connector)
$ 90.23  
Thrust Washers & Bearings Image Price    
34200E Thrust washer kit, 4L80E
Flat thrust washers
  $ 63.04  
34201E Bearing kit, 4L80E, 1991-UP
Flat torrington / thrust bearings
  $ 35.28  
34211HA Washer, 4L80E pump .059 inch (BLUE)
BLUE
  $ 7.83  
34211HB Washer, 4L80E pump .075 inch (RED)
RED
  $ 9.28  
34211HC Washer, 4L80E pump, .091 inch
BROWN
  $ 8.11  
34211HD Washer, 4L80E pump, .107 inch
Green
  $ 15.08  
34211HE Washer, 4L80E pump, .123 inch
Black
  $ 12.32  
34211HK Washer kit, 4L80E pump SELECTIVE washers
5 Selective pump washers only
  $ 47.49  
34270T Washer, 400 / 4L80E, Case saver, 3 Tang washer REPLACEMENT
3 Tang Washer Replacement
  $ 4.59  
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
  $ 21.81  
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
  $ 6.63  
D34269 Washer, 400 / 4L80E, Case .076 inch
3 tang case washer
  $ 34.76  
D34269A Washer, 400 / 4L80E, Case .084 inch
3 tang case washer
  $ 34.67  
D34269B Washer, 400 / 4L80E, Case .092 inch
3 tang case washer
  $ 34.5  
D34269C Washer, 400 / 4L80E, Case .100 inch
3 tang case washer
  $ 34.67  
D34269D Washer, 400 / 4L80E, Case .108 inch
3 tang case washer
  $ 34.28  
D34269E Washer, 400 / 4L80E, Case .116 inch
3 tang case washer
  $ 26.88  
Transmission repair manuals 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
$ 31.45  
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
$ 69.25  
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.
$ 137.16  
Valve body kits Image Price    
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. 3. Failsafe, runaway high pressure will crack the case. The PR valve train supplied in this Shift Correction Package will stop runaway high pressure before it happens. Note to purchasing: Ask for Superior part number K4L80-E
$ 105.42  
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
$ 50.19  
T34169E TransGo Reprogramming Kit 4L80E 91-up Performance / heavy duty kit 4L80E-HD2
TransGo # 4L80E-HD2 Performance / heavy duty kit
Ends direct clutch burnup &will holds big horsepower.
Holds 1st, 2nd and 3rd any rpm and backshifts to 3rd, 2nd and 1st at any rpm by moving shift lever.
Prevents broken case and drum due to high pressure.
Redesigned and Upgraded kit FEATURES: Dual feed Direct Clutch, Heavy Duty Performance Shifts. Kit has new Separator Plate package, Simple, Fast and easy installation.
$ 207.66  
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.
$ 445.52  
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
$ 34.25  
T-BB100A Accumulator Buddy Kit / Bore B rushes

$ 82.71  
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 in seconds * Services bores from 1/4 to 1
$ 67.54  
Sprags Image Price    
A34650 Roller clutch, 4L80E overdrive 1991-2001E
Black plastic cage, .310 inch roller diameter, 1991-2001E
$ 31.4  
A34652A Sprag, (Z) 400 / 4L80E intermediate, (34 element CAM TYPE)
On 400's only fits the early type drums.
$ 93.53  
A34652B Sprag, 400 / 4L80E Intermediate (16 Elements - CAM type)
Fits 1965-1977 drums
$ 21  
A34654 Roller clutch, FMX / AOD / E/ 400 / 4L80E LOW
LOW / REAR sprag, Spring & roller type
Also fits 4L80E 91-E95 only
$ 13.28  
A34654E Roller clutch, 4L80E Low, with 8 vertical tabs
L95-UP, for late design planetary
$ 21.89  
A34650A Roller Clutch, Overdrive (.195" OD Rollers, 3" OD Roller Clutch) (Blue Inserts) (L01-Up)

$ 20.73  
Hard parts Image Price    
U34554E DRUM, 4L80E FORWARD CLU W/RING GEAR
Good used Drum
  $ 142.31  
A34554EA Drum, Forward Clutch , 4L80E 1997+ w/ Ring Gear
Drum, Forward Clutch w/ Ring Gear (Molded Piston Type)
$ 175.7  
A34580 Planet Overdrive, 4L80E,
1991-2000
  $ 176.69  
A34580K Planet Overdrive KIT, 4L80E, WITH shaft , 1991-2000
Planet has 3.215 inch dia. INSIDE RACE
  $ 160.74  
D34594S Ring Gear, Rear 400 / 4L80E (Straight Teeth)
1991-96 4L80E & some 400.. NEW Delco.
  $ 262.92  
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
  $ 406.74  
A34630EC Center Support, (w/ Lube Hole Passage) 1999+
Spacer type - will retro to 1997 if used with spacer
$ 158.72  
A34630EB Center Support, (w/ Lube Hole Passage) 1997-98
NO spacer type
$ 149.78  
A34783A BOLT, 4L80E Center Support to Case
Center Support bolt
$ 3.03  
D34784 BOLT, 4L80E 4th Clutch Housing to Case
Bolt, 4th Clutch Housing to Case
$ 8.93  

Pumps do not include seals, gaskets or o'ring

Pumps Image Price    
P34500E Pump Assembly, 4L80E, 1991-96,
Rebuilt pump - Both cooler lines behind bell
Note: There will be an additional $80.00 Core
$ 386.77  
P34500EA Pump Assembly, 4L80E 1997-2003
Only 1 cooler line behind bell
Note: There will be an additional $80.00 Core
$ 385.85  
P34500EB Pump Assembly, 4L80E 2004-Up
One Cooler Fitting (New Design Case)
Note: There will be an additional $80.00 Core
$ 391.63  
A34510EA PUMP BODY, 4L80E W/PUMP GEARS 1997-UP
Pumps, Stators, B & G
$ 126.19  
A34530A Pump gears, 4L80E
Standard size, set of pump gears 1991-up
$ 18.28  
D34507BV Boost Valve, 4L80E
Press Regulator (.855") (91-E95)
  $ 18.9  
D34507C-3 TCC Relief valve SPRING, 4L80E, 2001-04

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

$ 15.72  
S34507C-6 PLUG, TCC Valve bore plug, 4L80-E
Bag of 5
  $ 8.59  
S34507C-6A PLUG, TCC Valve END plug, 4L80-E, SMALL
Bag of 5
$ 16.32  
S34507C-6B PLUG, TCC Valve END plug, 4L80-E, .684 inch dia.
Bag of 5
$ 14.37  
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
$ 124.36  
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
$ 29.27  
S34507P-1 Valve, Press Regulator Line to Tube, 4L80E 91-UP
Valve, Press Regulator Line to Tube
$ 95.11  
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
$ 150.16  
Servos & Accumulators Image Price    
D34932 Piston, 4L80E 3rd clutch accumulator.

$ 10.12  
D34937 Piston, 4L80E 4th clutch accumulator

$ 28.89  
A34946 Spring, 400 / 4L80E Rear Servo (BLUE)

  $ 2.85  
D34905BK Piston Assembly, Front Servo (2.730" Long Pin)
1991-2003
As available..
$ 32.42  
D34905BAK Front Servo Piston & Sleeve 4L80 1991+

$ 19.11  
A34912A Piston, Rear Servo 4L80E (BILLET ALUM ) 1997+
Raised Hump
  $ 134.07  
D34913E Pin, Rear Servo 400/4L80E (3.415")

  $ 27.01  
D34913H Pin, Rear Servo , 400/4L80E (3.471")

$ 30.01  
Drums Image Price    
A34960E Piston, 4L80E Overrun clutch (BONDED RUBBER)
1991-UP
$ 13.78  
A34964EA Piston, 4L80E FWD clutch
Stamped steel with bonded Lip Seal 1997-UP
$ 17.85  
A34965G Piston, 4L80E DIRECT clutch Molded rubber) 97-UP
Molded rubber, 1997-UP, will retro fit back to 1991
ALT VENDOR # A34965EA
$ 17.09  
D34964E Piston, 400 / 4L80E FWD clutch 1991-95
(O.E. #8675508)
  $ 67.76  
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)
$ 34.32  
A34555E Drum, 4L80E Direct drum, 1991 + (NO sprag or race)
Drum, Direct (5 Clutch) (w/o Sprag)
Drum only-No Race or sprag included
$ 121.76  
D34146B Pressure Plate, 4L80E Direct clutch

  $ 23.29  
D34156 Pressure plate , 4L80E, Direct / Overrun

$ 24.26  
D34970 Retainer with springs, 4L80E Overrun clutch retainer

  $ 30.01  
A34551 Drum, Overrun Clutch, 4L80E 1991- early 2001
Drum, Overrun Clutch w/ Sun Gear (Uses 34650 Roller Clutch)
$ 181.1  
A34551A Drum, Overrun Clutch, 4L80E, Late 2001-UP
Drum, Overrun Clutch w/ Sun Gear (Uses 34650A Roller Clutch)
  $ 158.69  
Tools Image Price    
T-0015 Tool, LIP Seal installer
Universal Transmission - Lip Seal Installer. Helps to roll most lip seals in without damage.
$ 40.29  
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.
$ 18.84  
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!***
$ 39.81  
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.
$ 66.28  
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
$ 150.16  
Sonnax Items Image Price    
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
$ 29.96  
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
$ 55.62  
S34064BA Bushing, 400/4L80E Case (NO WALK-OUT)
Sonnax
  $ 10.72  
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
$ 29.27  
S34181 FORWARD CLUTCH DRUM SEALING RI NGS OS 4L80E

  $ 9.03  
S34444-1 BRACKET, CONNECTOR,4L80E WIREHARNESS

  $ 7  
S34507C-6 PLUG, TCC Valve bore plug, 4L80-E
Bag of 5
  $ 8.59  
S34507C-6A PLUG, TCC Valve END plug, 4L80-E, SMALL
Bag of 5
$ 16.32  
S34507C-6B PLUG, TCC Valve END plug, 4L80-E, .684 inch dia.
Bag of 5
$ 14.37  
S34507FA VALVE/SLEEVE BOOST W/PR SPRING 4L80E 91-UP

  $ 43.96  
S34507P-1 Valve, Press Regulator Line to Tube, 4L80E 91-UP
Valve, Press Regulator Line to Tube
$ 95.11  
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
$ 124.36  
S34555E-2 DIRECT DRUM SLEEVE KIT 4L80E & 400

  $ 77.39  
S34584A-1B PINION WASHER, STEEL 4L80E (19 99 & EARLIER)

  $ 4.5  
S34741C-1 SEAL RING, TEFLON,4L80-E FOR
Pump Parts
  $ 23  
S34741MK KIT,4L80E MANUAL VALVE UPGRADE 91-UP

  $ 68.9  
S34204A BATWING THRUST WASHERS 4L80E ( 1999-UP)

  $ 21.09  
S34214 BEARING, THRUST, PLANETARY 4L8 0E (LATE 1991&UP), 4T60 & E, 4

  $ 12.39  
S34232BK FORWARD CLUTCH HUB WASHERS (FR ONT) GM 4L80E, THM400

  $ 53.55  
S34235-078 Washer, 400/4L80E FWD HUG .078 OVERSIZED (SONNAX)

  $ 21.83  
S34235-094 Washer, 400/4L80E FWD HUB .094 OVERSIZED (SONNAX)

  $ 21.87  
S34741S-3 Spring, 4L80E 1-2 Shift Valve
Separator Plates
  $ 7.37  
S34875RK 400 PLANETARY REBUILD KIT 4L80 E (1991-1998)

  $ 26.09  
S34880RK PLANETARY REBUILD KIT 4L80E (1999-UP)

  $ 45.13  
S34915A-5 SERVO SPACER KIT REVERSE 4L80E 96-UP (SONNAX)

  $ 21.99  
S34991E-4 Shift Lever Shaft ,4L80E 1991-94 (4.660" OVERALL LENGTH)
Sonnax, 1991-94 Short Version 4L80-E, All 400
$ 35.53  
Remanufactured Valve Bodies 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.
$ 554.14  
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.
$ 552.79  
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.
$ 556.79  
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.
$ 552.79  
T-BB100A Accumulator Buddy Kit / Bore B rushes

$ 82.71  
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 in seconds * Services bores from 1/4 to 1
$ 67.54  

WE HAVE HELP FOR
TORQUE CONVERTER SHUDDER

Instant Shudder Fixx, 
A concentrated friction modifier formulated specifically for INSTANTLY eliminating torque converter lock-up shudder
Torque converters 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.
$ 224.57  
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.
$ 224.57  
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.
$ 295.34  
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.
$ 412.25  
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.
$ 406.1  
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.
$ 599.91  
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.
$ 328.4  
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.
$ 601.55  
Miscellaneous Items Image Price    
D74996B Cooler line case connector - GM late -SOME
Late GM snap in type for 3/8" lines
$ 4.31  
S34991E-4 Shift Lever Shaft ,4L80E 1991-94 (4.660" OVERALL LENGTH)
Sonnax, 1991-94 Short Version 4L80-E, All 400
$ 35.53  
D34991F-4 Shift Lever Shaft , 4L80E/85E, ( 5 1/2" LONG) 1995-UP

  $ 18.32  
A44839 Transmission MAGNET, Square
Magnet fits in most pans
Traps fine metal shavings
Approx 1" L x 3/4" W
$ 2.34  
M463SA Ground strap, 14 inch long
Missing or bad ground straps can cause many problems.
A must check item on every rebuild.
$ 3.62  
M463SB Ground strap, 42 inch long
Missing or bad ground straps can cause many problems. A must check item on every rebuild
$ 7.51  
A44839B Transmission MAGNET, round
Round, thick (.250" +-) Magnet fits in most pans to trap fine metal shavings
$ 2.21  
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 135Ί & is formulated to dissolve quickly at operating temperatures, therefore not clogging filters. Trans Prep is compatible with all transmission fluids.
  • Designed to maintain tackiness in warmer environments
  • Holds parts in place and provides lubrication during start up
  • Compatible with all ATFs
  • Dissolves quickly at operating temperatures
  • GREEN formula eliminates misdiagnosing leaks
  • Smart Blend #5250 16oz.
    ***IF NEEDING A DIFFERENT COLOR LUBE, CONTACT US FOR ASSISTANCE!!***
  • $ 11.48  
    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 unique design and patented technology have made it the #1 selling cooler and line flusher worldwide. It safely flushes out harmful contaminants (metal shavings and sludge) from the transmission cooler and lines preventing the contaminants from entering a newly installed transmission. Accept No Imitations
  • Prevents Contamination (metal shavings & sludge etc.)
  • Prevents Costly Comebacks
  • Patented High Pressure Cleaner
  • #1 Choice of Professional Mechanics Worldwide
  • OEM & Large Rebuilder Approved Supplier
  • Proven and Used in Millions of Vehicles
    Contains:M465F18 & M465FB

    Click here for a TRANS FLUSH" Cooler line return chart.
  • $ 24.68  

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    Makco Transmission Parts - 4336 Helton Dr, Florence, AL 35630
    Phone 256-767-2840 - Fax 256-767-2841