GM Rear Wheel 3L80, 400

3L80, 400


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.
400 Transmission Rebuild in a Box
Click here for 3L80, 400 3 speed
Transmission breakdown illustration

Subcategories in 3L80, 400


Products in 3L80, 400 by category


Transmission Rebuild in a Box
Part   #       Name & Description Image Price  
34006A-BOX-1         Rebuild in a Box - Parts, GM 400, 1972 - up
Transmission Rebuild In a Box include most parts required for a Major Transmission Rebuild and will also including many common hard parts that should be replaced during a rebuild that many forget to order.

Detailed kit contents listed on top of the product page!
 
Rebuild in a Box - Parts, GM 400, 1972 - up $300.05
AHP46005R-K-BOX-1         Rebuild in a Box - Parts, GM 400, High Performance
1972 - up, High Performance Transmission Rebuild In a Box include most parts required for a Major Transmission Rebuild and will also including many common hard parts that should be replaced during a rebuild that many forget to order.

Detailed kit contents listed on top of the product page!
 
Rebuild in a Box - Parts, GM 400,  High Performance $386.44

Deluxe Transmission Rebuild kits
Part   #       Name & Description Image Price  
34008A         Deluxe Kit, 400 65-UP
Includes:
overhaul kit, friction clutch plates, standard steel plates
34010A filter
N34022 band
34066,44034 bushings
44160R modulator
 
Deluxe Kit, 400 65-UP $217.58

Transmission Rebuild kits
Part   #       Name & Description Image Price  
34002A         Overhaul kit, 400 1965-UP, Cork pan gasket
Includes full set of replacement sealing rings, Basic overhaul kit includes, paper gaskets, O rings, lip seals, metal clad seals and sealing rings. Common vender / brand TransTec
 
  $46.97
34004A         Banner kit, 400 1965-UP, full set of sealing rings
Includes: overhaul kit, friction clutch plates
 
  $73.85
34006AF         Master kit, 400 1965-UP (FULL RING KIT),FIBER
Includes: overhaul kit, friction clutch plates & standard steel plates
 
  $102.64

Performance Rebuild kits
Part   #       Name & Description Image Price  
AHP46005PP         ALTO HP Master Kit, 400 w/ Red Eagle w/ Intermediate Powerpack
1965 - UP Master Kit includes:
Gaskets, seals and Teflon sealing ring kit.
Red Eagle friction clutch & Kolene Steels kit
10 Fwd / Direct & *4 clutch intermediate < br>ALTO Kit # 031901HPPWR AHP46005RK AND A34104PPK
 
ALTO HP Master Kit, 400 w/ Red Eagle  w/ Intermediate Powerpack $285.40
AHP46005R-K         ALTO HP Master Kit, 400 w/ Red Eagle Friction & Kolene Steels
1965 - UP Master Kit includes: Gaskets, seals and Teflon sealing ring kit.
Red Eagle friction clutch kit & Kolene Steels clutch kit
ALTO Kit # 031901HP
 
ALTO HP Master Kit, 400 w/ Red Eagle Friction & Kolene Steels $241.03

Bands
Part   #       Name & Description Image Price  
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
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
R34022HD         Band, 400 / 425 Front 64-98
HEAVY DUTY RELINED as available
 
Band, 400 / 425 Front  64-98 $12.32
R34024E         Band, 400 / 425 / 4L80E Rear (Relined)
RELINED Band, Rear (Reverse) (Retros All) (65-Up)
 
Band, 400 / 425 / 4L80E Rear  (Relined) $20.28

Bushings
Part   #       Name & Description Image Price  
34030         Bushing kit , (X) 400

 
  $29.80
34037         Bushing AT540 stator front & sun gear (ft & rear)
also 4L80E overrun drum rear small
HT740 Bushing, Output Shaft
 
  $2.15
34044         Bushing 400 center support .
Single groove design
 
  $7.82
34053         Bushing 400 / 4L80E Front planet

 
  $2.89
34062         Bushing 400 Output shaft (WIDE)
1964-74
 
  $2.35
34064         Bushing 400 case

 
  $4.81
34066         Bushing 400 extension housing Large late
Most common late model 1.995 inch OD 1 1/2 inch long
 
  $2.29
44034         Bushing GM Pump *Most popular large
350 series, 400, PG, 425, 325 300 (Not for 200 or 700 series)
 
  $2.50
44066         Bushing, Tail Housing (Babbitt)
250 / 350 / 700R4 / 4L60E Extension housing
BW1372, NP207, NP231, NP233, NP242, NP247, NP249 Bushing, Tail Housing (27 Spline)
BUSHING, Extension Housing, 1.630" OD, 1.0" Wide (Transmissions) NV1500, NV3500, Muncie M20, M21, M22, NP 833, Saginaw, SR4, RAD xxT10, Super T10, T150, T4, T5 Non World Class xxT56, T5 World Class
(Transfer case) BW 1372, BW 4472, Extension Housing (27 Spli
 
  $4.60
34062B         Bushing 400 / 4L80E Output shaft (narrow)
1974-UP
 
  $2.59
44034T         Bushing, Pump Body (Teflon) 250/350/C /400/PG/AT540 (SONNAX)

 
Bushing, Pump Body (Teflon)  250/350/C /400/PG/AT540 (SONNAX) $10.97
44066B         Bushing 250 / 350 / 700R4 / 4L60E Extension housing
Bronze dimpled 200 / 200-4R / 180 / 3L30 / 4L30E / 375 1.626 OD X 1.50 ID X .94 HT
 
  $2.08
S34064BA         Bushing, 400/4L80E Case (NO WALK-OUT)
Sonnax
 
  $10.83

Clutch plates
Part   #       Name & Description Image Price  
34104         Friction, 400 / 425, Intermediate clutch, .080
1965-up, Common brand - Borg Warner
 
  $5.59
34106         Friction, 400 / 4L80E, Forward / Direct, .080
Smooth , Common brand - Borg Warner
 
  $4.47
34124         Steel, 400 / 425, Intermediate, .100 (FLAT)
1964-up, Common brand - ALTO
 
  $4.25
34125         Steel, 400 / 4L80E, Intermediate, .070 (WAVED)
1964-up, Common brand - ALTO
 
  $4.52
34127         Steel, 400, Forward / Direct, .060, (WAVED)
1967-up, Common brand - ALTO
 
  $2.99
34128         Steel ,400 / 425 / 4L80E, Forward, .077 (FLAT)
1964-up, Common brand - ALTO
 
  $2.91
34139         Steel Module, 400
1967-up, Standard set of steel plates, Common brand - various
 
  $33.15
34106G         Friction, 400, Forward / Direct, Radial groove
Common brand - Borg Warner
 
  $4.58
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
34127A         Steel, 400, Forward / Direct, .068 (WAVED)
1964-66, Common brand - ALTO
 
  $2.87
34127D         Steel, 400 / 4L80E, Forward / Direct, .054 DISHED
1964-96, Common brand - ALTO
 
  $13.11
34128B         Steel, 400 / 425 / 4L80E, Forward, .077 (FLAT) KOLENE***SEE 34128K***
1964-up, Kolene coated, Common brand - ALTO. 34128K
 
  $7.40
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

Drums
Part   #       Name & Description Image Price  
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
U34555         400 Early direct drum 65-70, Smooth cam type !!
Good Used --Sprag Type direct drum. Use with # A34652A, 34 element sprag
*Drum only!!! No Race or sprag included, ,
 
400 Early direct drum 65-70, Smooth cam type !! $79.28
U34555A         Drum, 400 Direct drum, Lug type cam, 1972-up
Good Used --LUG Type direct drum. Use with 8 roller type sprag. *Drum only!!!
No Race or sprag included, ,
 
  $45.40

Filters
Part   #       Name & Description Image Price  
54016B         Filter, 400 governor, 200-4R Pump solenoid Screen
Tapered filter, . Common brand - Allomatic
 
Filter, 400 governor,  200-4R Pump solenoid Screen $2.21
A34010         Filter, 400 1964-E67 Tube type or Can style
1964-E67 Tube type or Can style
 
Filter, 400 1964-E67  Tube type  or Can style $32.15
A34010A         Filter, (X) 400 flat felt L1967-UP
Felt / Cloth filter element, Most Popular TH400 filter 1967-up
ALT PART # 33212
 
Filter,  (X) 400 flat felt   L1967-UP $5.41
A34010B         Filter, 400 flat brass 1967-UP
Brass / Metal filter element
 
Filter, 400 flat brass 1967-UP $5.57
D34495         Filter suction tube, 400 Deep pan type
Plastic
 
Filter suction tube, 400 Deep pan type $9.57

Gaskets & O rings
Part   #       Name & Description Image Price  
34300         Pan Gasket: 400
OE type Cork gasket
 
Pan Gasket:  400 $2.72
34305         Transfer Case GASKET, Transmission to Adapter Gasket (TH400)
BW1370, Transmission to Adapter Gasket (TH400)
BW4470, NP205, NP205, NP208, BW1345, BW1356, BW4407
Industry Ref # 12148
 
Transfer Case GASKET, Transmission to Adapter Gasket (TH400) $0.65
34306         Gasket, 400 / 3L80, Governor cover, 1964-UP
Also fits ALLISON AT500 / MT / B600 series
 
Gasket, 400 / 3L80, Governor cover, 1964-UP $1.21
34310         Gasket, 400 front Pump
1965-98 will NOT fit 1964
 
Gasket, 400 front Pump $1.68
34320         Gasket, 400 valve body upper, 1965-E87
6 check ball type
 
Gasket, 400 valve body upper, 1965-E87 $2.35
44309         Pump bolt washer, Most GM & Chrysler RWD *Order 6-10 as needed
Order 6-10 as needed / unit
 
  $1.08
44311         O-Ring, Pump, 350 & 400 series

 
O-Ring, Pump, 350 & 400 series $0.95
311304         Adapter to Transfer Case Gasket, Transfer Case GASKET
NP205, Adapter to Transfer Case Gasket
Industry Ref # 205-143
 
Adapter to Transfer Case Gasket, Transfer Case GASKET $0.87
351304         Transfer Case GASKET, Adapter to Transfer Case Gasket (GM)
BW 1372, NP 207, NP 231, NP 233, Adapter to Transfer Case Gasket (GM)
Industry Ref # TC2030-6
 
Transfer Case GASKET, Adapter to Transfer Case Gasket (GM) $1.40
331304A         Transfer Case Gasket, Adapter to Transfer Case Gasket (M304317B)
BW 1370, BW 4470, NP 205, NP 207
NP 208, (Chevy), NP 241, (GM)
NP 242, NP 243, NP 249, NP 261
Industry Ref # TC2030-9
 
Transfer Case Gasket, Adapter to Transfer Case Gasket (M304317B) $1.26
34300F         Pan Gasket: 400
Updated Fiber gasket
 
Pan Gasket:  400 $4.01
34320A         Gasket, 400 valve body upper, L1987-1992
7 check ball type
 
  $2.45
34321A         Gasket, 400 valve body lower, 1965-92
7 check ball type gasket but will retofit back to 1965.
 
Gasket, 400 valve body lower,  1965-92 $1.24
34369A         O-Ring, 400 Speed-O-Housing

 
O-Ring, 400 Speed-O-Housing $1.24
44371A         O-Ring, GM / Ford / Chrysler Filler tube
Various years and models, Most popular O ring
 
O-Ring, GM / Ford / Chrysler Filler tube $1.29
44371B         Boot, Filler tube, GM / Ford / Chrysler
Installs in case, Late design Filler tubes
 
Boot, Filler tube, GM / Ford / Chrysler $1.82

Hard parts
Part   #       Name & Description Image Price  
34476         Silencer Ring, 400, .177 inch thick,
Replaces discontinued .170 inch thick style
 
Silencer Ring, 400, .177 inch thick, $6.67
A34680         Governor, 400 Gas
2nd design . New governor,
 
Governor, 400  Gas $110.02
A34684         Gear, 400 governor gear, 1965-UP
Gear, roll pin & 2 nails, Common brands - Sonnax
 
Gear, 400 governor gear, 1965-UP $4.50
D34476         Silencer Ring, 400, .177 inch thick,
*Use for all applications since the .170" has been discontinued.
 
Silencer Ring, 400,  .177 inch thick, $9.12
D34495         Filter suction tube, 400 Deep pan type
Plastic
 
Filter suction tube, 400 Deep pan type $9.57
D34594S         Ring Gear, Rear 400 / 4L80E (Straight Teeth)
1991-96 4L80E & some 400, NEW Delco.
 
  $262.92

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
36074         Seal, Rear, C6 / E4OD / 400 early, 1 11/16 inch ID
2.5 inch OD, NO Boot
42RLE Seal, Rear 2wd (w/o Boot) (Exc Magnum, 300) GM 400 Early (Medium OD seal)
 
Seal, Rear, C6 / E4OD / 400 early,  1 11/16 inch ID $3.90
44070         Seal, Front, Most GM large pump seals
400, 425, 350 series, Allum PG, 300, 325
 
Seal, Front, Most GM large pump seals $2.95
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
44074         Rear Seal w/o Boot, Flange Type, (2.38" OD)
AODE Seal, Rear (Red w/o Boot) Flanged
GM375 (small output shaft 400)
(Transmissions) Muncie M20, M21, M22, w/ (27 Spline Main Shaft)
Saginaw, T10, Super T10, T150, T18, T19
T4, T5 Non World Class, T5 World Class
(Transfer case) NP 205, NP 207, NP 208, NP 231, NP 241, NP 242, NP 247 NP 249
Rear Output Seal (2.385" x 1.430") (w/o Boot) Flanged
Industry Ref # 15041
 
Rear Seal w/o Boot, Flange Type, (2.38" OD) $2.29

Miscellaneous Items
Part   #       Name & Description Image Price  
2000         Mount, GM RWD Universal transmission
Replaces most single stud or two hole mounts from 1955 to 1996.
3 bolt holes on mount. Use bolt in center hole to replace center stud mount.
Use 2 out side bolt holes to replace 2 bolt type mounts.
Wide notched base with elongated bolt holes will fit the narrow 350, 200, 700R4 and wide base 400 transmissions.
Will Not replace Offset type mounts
NEW # EM-5000
 
Mount, GM RWD Universal transmission $7.89
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
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
M463D         GM Universal RWD dust cover
Fits 90% of GM RWD automatic transmissions from 1965-1995
Alt. part # K35803U
 
GM Universal RWD dust cover $14.98
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
T44494U         Fill Tube & Dip stick, GM
Fits GM 200, 200C, 200-4R, 350, 350C and 400, Teckpak
ALT. PART # K35999U
 
Fill Tube & Dip stick, GM $23.92

Modulators
Part   #       Name & Description Image Price  
44162         Hose, Modulator hose 350 / 400 / Ford
Molded 90 degree ELBO hose
 
Hose,   Modulator hose 350 / 400 / Ford $1.33
44160B         Modulator: 400 / 350 BLACK / RED stripe
Large diaphragm, for low vacuum engines
 
Modulator:  400 / 350  BLACK / RED stripe $24.24
44160D         Modulator: 400 / 350 Dual RED stripe
Dual RED stripe
 
Modulator:  400 / 350 Dual RED stripe $14.93
44160R         Modulator: (Z) 350 / 400 Single RED stripe adjustable
Most popular GM 350, 400, 425, 300
 
Modulator:  (Z) 350 / 400 Single RED stripe adjustable $12.02

Performance converters
Part   #       Name & Description Image Price  
TC-A3HD         Torque converter, 400, 3L80, 425, 475 & Allison AT540
Diameter - 13", Pilot - 1.703", Mount - 6 Pads, Splines - 30
Notes - Approx. Stall 1300- 1500, ALLISON (Gas & Diesel) Codes: 270, 275 (Can Use w/ TH400)
Codes: 270, 275 (Flanged Hub) Do Not Use for Codes 290 or 275LU
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
 
Torque converter, 400, 3L80, 425, 475 & Allison AT540 $216.81
TC-A6HD         Torque converter, 400, 3L80, 425, 475 & Allison AT540
Diameter - 13", Pilot - 1.703", Mount - 6 Pads, Splines - 30
Notes - Approx. Stall 1200-1400, ALLISON (Diesel Only) Codes: 290 (Can Use w/ TH400)
Codes: 290 (Flanged Hub)(D)HD-545. Do NOT Use for Codes 270, 275 or 275LU!
NOTICE: Converters do not qualify for free shipping! Some Converters may require an $80.00 core charge added to order. We will contact yo
 
Torque converter, 400, 3L80, 425, 475 & Allison AT540 $284.32
TC-PP3412EXLS         Performance Converter, 350 & 400, 2300-2800 stall
Size: 11, Bolt Pattern: 350-400 small, Engine: All Brazed Impeller: Y, Brazed Turbine: Y, Bearings: 3, Washers: 0
 
  $258.35
TC-PP3412LS         Performance Converter, 350 & 400, 2800-3200 stall
Size: 11, Bolt Pattern: 350-400 small, Engine: All Brazed Impeller: Y, Brazed Turbine: Y, Bearings: 3, Washers: 0
 
  $277.78
TC-PP3412MS         Performance Converter, 350 & 400, 3200-3700 stall
Size: 11, Bolt Pattern: 350-400 small, Engine: All Brazed Impeller: Y, Brazed Turbine: Y, Bearings: 3, Washers: 0
 
  $297.20
TC-PP3423         Performance Converter, 350 & 400, 1900-2200 stall
Size: 11, Bolt Pattern: 350-400 small, Engine: All, Bearings: 1
 
  $238.93

Pumps
Part   #       Name & Description Image Price  
A44530A         Pump gears, 350 / 400, .721 inch thick

 
Pump gears, 350 / 400, .721 inch thick $13.06
A44530AA         Pump gears, 350 / 400, .723 inch thick

 
Pump gears, 350 / 400, .723 inch thick $13.07
A44530AB         Pump gears, 350 / 400, .725 inch thick

 
Pump gears, 350 / 400, .725 inch thick $13.06
A44530AC         Pump gears, 350 / 400 / 325, .727 inch thick

 
Pump gears, 350 / 400 / 325,  .727 inch thick $13.07
R34500         Pump, 6 Bolt (Body Cast # 895, Stator Cast # 896) (71-98)
Pump, 6 Bolt (Body Cast # 895, Stator Cast # 896)
May require Core Charge, We will contact you if required.
 
Pump, 6 Bolt (Body Cast # 895, Stator Cast # 896) (71-98) $96.79
R34500A         Pump, 8 Bolt (Body Cast # 895, Stator Cast # 896) (65-98)
Pump, 8 Bolt (Body Cast # 895, Stator Cast # 896)
May require Core Charge, We will contact you if required.
 
Pump, 8 Bolt (Body Cast # 895, Stator Cast # 896) (65-98) $94.26
S34507PK         Pressure regulator Valve kit, 400 , sealing ring type
Sonnax Part # 34910-03K , Alt. vender: # W-S34507PK
ELIMINATES REPLACING THE PUMP CASTING TO INSURE PRESSURE CONTROL, PRESS REG ASSY, 400 64-UP
Click for Sonnax Information Sheet
 
Pressure regulator Valve kit, 400 , sealing ring type $35.09
S34507RCK         Reverse Boost Valve Kit 400 65-UP OE Style
Reverse Boost Valve Kit (Factory Style) (Sonnax)
 
Reverse Boost Valve Kit  400 65-UP  OE Style $43.66
S34507RK         Reverse Boost Valve Kit , 400 O-ring style
Reverse Boost Valve Kit (Includes O-Rings) (Sonnax)
 
Reverse Boost Valve Kit , 400  O-ring style $44.42
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  
P34740-4         Valve body 400, 87-Up , w/o reverse check ball
Remanufactured valve body: w/o pressure switches
Reference # P34990
Please note that core deposit maybe required before shipping.
P34740-4 is for vehicles over 10,000 GVW.
P34740-5 is for vehicles under 10,000 GVW.
 
Valve body 400, 87-Up , w/o reverse check ball $0.00
P34740-5         Valve body 400, 87-Up , w/reverse check ball
Remanufactured valve body: w/o pressure switches
Reference # P34990B
Please note that core deposit maybe required before shipping.
P34740-4 is for vehicles over 10,000 GVW.
P34740-5 is for vehicles under 10,000 GVW.
 
Valve body 400, 87-Up , w/reverse check ball $239.44
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  
A34927         Accumulator Piston, 400 ,
Aluminum w/ 3 Legs, in VB
 
Accumulator Piston, 400 , $4.25
A34946         Spring, 400 / 4L80E Rear Servo (BLUE)

 
  $2.85
D34906         Spring, Front Servo 400/4L80E

 
  $8.33

Solenoids
Part   #       Name & Description Image Price  
34420         Solenoid, 400 Detent 1964-up *Email for availability on this item
Email for availability on this item
Kick down switch in pan, 1 wire, updated design, Common brands - various
 
Solenoid, 400 Detent  1964-up *Email for availability on this item $18.08
34444A         Case connector, 400 1 Prong, 1968-UP
Common brands - various
 
Case connector, 400 1 Prong, 1968-UP $3.54
34444B         Case connector, 400, 2 Prong w/ Variable Pitch (Large OD) 1965-67
As available!!
 
Case connector, 400, 2 Prong w/ Variable Pitch (Large OD) 1965-67 $3.43

Sonnax Items
Part   #       Name & Description Image Price  
S34064BA         Bushing, 400/4L80E Case (NO WALK-OUT)
Sonnax
 
  $10.83
S34235-078         Washer, 400/4L80E FWD HUG .078 OVERSIZED (SONNAX)

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

 
  $24.64
S34507PK         Pressure regulator Valve kit, 400 , sealing ring type
Sonnax Part # 34910-03K , Alt. vender: # W-S34507PK
ELIMINATES REPLACING THE PUMP CASTING TO INSURE PRESSURE CONTROL, PRESS REG ASSY, 400 64-UP
Click for Sonnax Information Sheet
 
Pressure regulator Valve kit, 400 , sealing ring type $35.09
S34507PK-1         Sealing rings, TEFLON, for S34507PK
Sonnax Part # 34910-S-25 , Alt. vender: # W-S34507P-RK
Bag of 25, RING SET, 400 PRESSURE REG VALVE(TEFLON)
 
  $22.98

Sprags
Part   #       Name & Description Image Price  
A34652         Sprag, 400 intermediate (8 Roller Type)
Spring & roller type, 1972-up
 
Sprag, 400 intermediate  (8  Roller Type) $15.03
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

Switch Kit
Part   #       Name & Description Image Price  
7-40A         700-R4 to 400 4 wheel drive Switch kit 1982-84
700-R4 to 400 4 wheel drive Switch kit 1982-84
V8 only

Includes: Transfer case adapter, transfer case gasket, output shaft, dust cover, filler tube & stick, passing gear switch, speedometer hole plug, selector indicators, required bolts,
 
700-R4 to 400 4 wheel drive Switch kit 1982-84 $380.59
7-40B         700-R4 to 400 2 WD Switch kit 1982-up
700-R4 to 400 2 WD Switch kit 1982-up
Blazer & Pickups V8 & 4.3L V6 engines

Includes: adapter block, output shaft, extension housing, dust cover, filler tube & stick, passing gear switch, transmission mount, selector indicators,
 
700-R4 to 400 2 WD Switch kit 1982-up $395.82
7-40C         700-R4 to 400 4 wheel drive Switch kit 1985-up
700-R4 to 400 4 wheel drive Switch kit 1985-up
V8 only, Blazer & full size pickups

Includes: Transfer case adapter, transfer case gasket, output shaft, dust cover, filler tube & stick, passing gear switch, speedometer hole plug, selector i
 
700-R4 to 400 4 wheel drive Switch kit 1985-up $369.92

Thrust Washers & Bearings
Part   #       Name & Description Image Price  
34200         Thrust washer kit, 400
Flat thrust washers
 
  $32.11
34211         Washer, 400, Pump .062 inch
*As available. Individual T-washers will only be shipped if available in the Dallas warehouse.
 
  $2.42
34226         Washer, 400, Center support to Front planet
Metal washer
 
  $3.76
34232         Washer, 400 / 4L80E, FWD drum to hub
Inside washer
 
  $6.83
34235         Washer, 400 / 4L80E, FWD hub to Direct drum

 
  $2.84
34268         Washer, 400 / 4L80E, Output shaft to case
4 tang, metal
 
  $7.74
34201A         Bearing kit, 400, 3 bearings & 6 races
4L80E some models
 
  $25.52
34211A         Washer, 400 pump .073 inch
*As available. Individual T-washers will only be shipped if available in the Dallas warehouse.
 
  $2.51
34211B         Washer, 400 pump .084 inch
*As available. Individual T-washers will only be shipped if available in the Dallas warehouse.
 
  $2.87
34211C         Washer, 400 pump .095 inch
*As available. Individual T-washers will only be shipped if available in the Dallas warehouse.
 
  $2.54
34211D         Washer, 400 pump .106 inch
*As available. Individual T-washers will only be shipped if available in the Dallas warehouse.
 
  $2.84
34211E         Washer, 400 pump .117 inch
*As available. Individual T-washers will only be shipped if available in the Dallas warehouse.
 
  $2.58
34211G         Washer, 400 pump .128 inch
*As available. Individual T-washers will only be shipped if available in the Dallas warehouse.
 
  $2.78
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
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-1055         Tool, GM oil pump remover and End play tool
By ATEC
 
Tool, GM oil pump remover and End play tool $112.91
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

Torque converters
Part   #       Name & Description Image Price  
M464GE         Converter Bolt, GM, Metric thread
14.75 mm long / order 3 / as needed
Old # M465GEA
 
Converter Bolt, GM, Metric thread $1.39
TC-GM2         Torque converter, 400, 3L80, 425, 475
Diameter - 13", Pilot - 1.703", Mount - 3 Pads, Splines - 30
Notes - Approx. Stal l1300-1500
1964-67 Variable Pitch Stator
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, 400, 3L80, 425, 475 $93.59
TC-GM3         Torque converter, 400, 3L80, 425, 475, 325, 350
Diameter - 13", Pilot - 1.703", Mount - 3 Pads, Splines - 30
Notes - Approx. Stall 1300-1500
3 Row of Ribs - Fixed Pitch Stator
ALT. PART # B3M
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, 400, 3L80, 425, 475, 325, 350 $101.80
TC-GM3H         Torque converter, 400, 3L80, 425, 475, 325
Diameter - 13", Pilot - 1.703", Mount - 3 Pads, Splines - 30
Notes - Approx. Stall1700-19002
Row of Ribs (High Stall) - Fixed Pitch Stator
When used on a 325 FWD - High Stall (1750- 2000)
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
 
Torque converter, 400, 3L80, 425, 475, 325 $108.99
TC-GM3-HD         Torque converter, 400, 3L80, 425, 475
Diameter - 13", Pilot - 1.703", Mount - 3 Pads, Splines - 30
Notes - Approx. Stall1300-1500 w/ Flanged Hub & HD Bearing,
DO NOT USE W/ ALLISONS
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, 400, 3L80, 425, 475 $262.50
TC-GM3R-HD         Torque converter, 400, 3L80, 425, 475
Diameter - 13", Pilot - 1.703", Mount - 3 Pads, Splines - 30
Notes - Approx. Stall1300-1500HD - GM3 w/ Regular Hub & HD Bearing.
DO NOT USE W/ ALLISONS
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, 400, 3L80, 425, 475 $262.50
TC-GM6         Torque converter, 400, 3L80, 425, 475
Diameter - 13", Pilot - 1.703", Mount - 6 Pads, Splines - 30
Notes - Approx. Stall1300-1500
3 Row of Ribs. Fixed Pitch Stator
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, 400, 3L80, 425, 475 $82.51
TC-GM6H         Torque converter, 400, 3L80, 425, 475
Diameter - 13", Pilot - 1.703", Mount - 6 Pads, Splines - 30
Notes - Approx. Stall 1700-1900
2 or 3 Row of Ribs (High Stall) Fixed Pitch Stator
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, 400, 3L80, 425, 475 $262.50
TC-GM6-HD         Torque converter, 400, 3L80, 425, 475
Diameter - 13", Pilot - 1.703", Mount - 6 Pads, Splines - 30
Notes - Approx. Stall 1300-1500
w/ Flanged Hub & HD Bearing .
DO NOT USE W/ ALLISONS
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, 400, 3L80, 425, 475 $130.24
TC-GM6R-HD         Torque converter, 400, 3L80, 425, 475
Diameter - 13", Pilot - 1.703", Mount - 6 Pads, Splines - 30
Notes - Approx. Stall1300-1500HD,w/ Regular Hub & HD Bearing .
DO NOT USE W/ ALLISONS
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, 400, 3L80, 425, 475 $133.54
TC-JA4         Torque converter, 400, 3L80, 425, 475
Diameter - 13", Pilot - 1.703", Mount - 6 Pads, Splines - 30
Notes - Approx. Stall1700-1900
2 or 3 Row of Ribs (High Stall) Fixed Pitch Stator (Jaguar 12 Cyl)
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.
 
  $262.50
TC-JA7         Torque converter, 400, 3L80, 425, 475
Diameter - 13", Pilot - 1.703", Mount - 3 Pads, Splines - 30
Notes - Approx. Stall 1500-1700
2 or 3 Row of Ribs (Jaguar) - Fixed Pitch Stator
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, 400, 3L80, 425, 475 $262.50

Transmission repair manuals
Part   #       Name & Description Image Price  
34400         Transmission repair manual, 400 / 3L80
ATSG automatic transmission repair manual, Disassembly, inspection and assembly sections. Diagnosis, testing and lot of pictures
GM THM 400 Transmission found in many 1969-1985 GM domestic vehicles. Covers assembly, dis-assembly, diagnosis, and troubleshooting
 
Transmission repair manual, 400 / 3L80 $37.07
34400-V         Transmission repair Video with Manual, GM 400
Automatic Transmission Rebuilding Video, Drive line expert walks you through every detail of a complete rebuild. Includes freeing stuck valves, air testing clutch packs, setting end play, converter installation and much more!
Includes 90 min. DVD Video and ATSG Technical Manual
 
Transmission repair Video with Manual, GM 400 $69.25

Valve body kits
Part   #       Name & Description Image Price  
A44741-5         Check Ball, Valve Body (Steel) (1 ball)
Standard small GM balls, each
Order as many as needed for your application.
 
  $0.53
S34165         Shift correction package 400
This valve body kit deals with these problems: * Soft late shifts * Soft 2-3 shifts * Harsh reverse engagement * Clutch chatter * Bind up in manual low when hot * Heavy duty snap ring for intermediate clutch 1. The Superior 400 valve body kit offers the option of regular and heavy duty applications all in the same kit. 2. The kit supplies metal rings for the 2nd accumulator. This one is for the
 
Shift correction package 400 $48.09
STP-20806-2         400 (65-UP) Posi Shift 2 Stage Pac (Fairbanks 20806-2 )
High Performance
Offers 2 levels of Performance: 1. Heavy Duty 2. Street & Strip
* Improves Your Automatic Transmission! * Firms up 1-2 and 2-3 shifts * Works with 6 or 7 check ball cases * Improves overall performance 1. The Posi Shift 2 Stage Pac's are by far the easiest available way to step up transmission performance. 2. Replaces worn out separator plate with the new special
 
400 (65-UP) Posi Shift 2 Stage Pac (Fairbanks 20806-2 ) $66.87
STP-20812         400 (65-UP) TransAction Kit (Fairbanks 20812 )
High Performance
Offers 4 levels of Performance: 1. Heavy Duty 2. Street & Strip 3. Full Competition 4. Manual Control At Any RPM
Transforms your automatic into a true performance transmission! * Offers super positive shifts * Separator plates included * Retains passing gear * Adjustable shift points 1. This TransAction kit will work on all 6 and 7 check ball cases. 2. Stage 4 deli
 
400 (65-UP) TransAction Kit (Fairbanks 20812 ) $88.69
T34165         TransGo Shift Kits SK 400
TransGo # SK-400 TransGo Shift Prevents / corrects Soft Shifts, Lazy shifts, Too easy passing gear.
 
TransGo Shift Kits SK 400 $33.90
T34165A         TransGo Shift Kits 400 reverse cushion
400RK Corrects harsh reverse
 
TransGo Shift Kits 400 reverse cushion $38.94
T34169         TransGo Reprogramming Kit 400 65-up Performance / heavy duty kit 400-1&2
Performance / heavy duty kit 400-1&2
Automatic shift: Competition, off road and heavy duty
 
TransGo Reprogramming Kit 400 65-up   Performance / heavy duty kit 400-1&2 $107.73
T34171         TransGo Reprogramming Kit 400-PRO
Transgo 400-PRO, Pro-RaceHeavy DutySuper Show Off.
Awesome capacity with adjustable Classy" shifts.
Holds any gear to any RPM and backshifts with the lever to any gear at any speed. Has case protecting snap ring and Alum 2-3 Accumulator piston.
 
TransGo Reprogramming Kit 400-PRO $154.37
T34173         TransGo Reprogramming Kit 400 65-up Performance stick shift kit 400-3
Performance stick shift kit 400-3
Stick Shift: Competition, off road and pro-street Full manual control
 
TransGo Reprogramming Kit 400 65-up   Performance stick shift kit 400-3 $137.13
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