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Id guide

GM

4L60 Transmission

Related Units Tech Resources View all Transmissions

Browse all 4L60 transmission parts here or use the filters below to find just what you are looking for.

 

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Remanufactured Valve Body
Remanufactured Valve Body

4L60 Remanufactured Valve Body GM044

Electronic TCC

Internal
2.84 Ratio Input Carrier Kit

2.84 Ratio Input Carrier Kit 77284-K

3-4 Clutch Boost Spring

3-4 Clutch Boost Spring 77763-01

Fits '88-later units.

    Helps cure:
  • 3-4 Clutch boost spring collapse
  • 3-4 Clutch boost springs inefficient when overheated
3-4 Clutch Boost Spring & Retainer Assembly

3-4 Clutch Boost Spring & Retainer Assembly 8667424

'88-Later

    Helps cure:
  • 3-4 Clutch failure
Apply Plate & Seal Service Kit

Apply Plate & Seal Service Kit 77733-06SVC

Batwing Washer

Batwing Washer 77731-05

Fits 4-pinion rear planetary.

    Helps cure:
  • Planetary failure
  • Planetary wear
Bearing Kit

Bearing Kit SBK-G12

Fits '82-later

    Helps cure:
  • Bearing noise
  • Bearing failure
Billet Forward Clutch Piston

Billet Forward Clutch Piston 77764-01

Front Planetary Pinion Pin

Front Planetary Pinion Pin 77732-09

    Helps cure:
  • Planetary failure
  • Planetary wear
Governor

Governor 731

250, 305 & 350 Gas engines

    Helps cure:
  • Shift concerns
Governor

Governor 730

Gas

    Helps cure:
  • Shift concerns
Governor Gear Kit

Governor Gear Kit 702

  • Color: Blue
    Helps cure:
  • Shift concerns
Heavy Duty 3-4 Clutch Backing Plate Kit

Heavy Duty 3-4 Clutch Backing Plate Kit 74140-01K

Requires ‘91-later 3-4 apply ring stamped with number “7”, measuring 3.671–3.682" in height.

Heavy Duty Input Shaft

Heavy Duty Input Shaft 77733-10S

Fits '85-later 298mm units with 30-spline input shaft. For '82-84 298mm units with 27-spline input shaft, converter and stator shaft will need to be updated to '85-later design.

Heavy Duty Overrun Clutch Hub

Heavy Duty Overrun Clutch Hub 74574-HD

Heavy Duty Reaction Shaft Kit

Heavy Duty Reaction Shaft Kit 74602-01K

Universal kit, fits all years and all input carrier styles.

Input Drum Reinforcement Kit

Input Drum Reinforcement Kit 77733-51K

Sleeve, Seal, & Custom Piston

Input Drum Reinforcement Kit

Input Drum Reinforcement Kit 77733-02K

Sleeve & Seal

Pinion Gear

Pinion Gear 77731-01

Rear Planetary

    Helps cure:
  • Planetary failure
  • Planetary wear
Pinion Needle Roller

Pinion Needle Roller 77731-03

Fits 4-pinion rear planetary.

    Helps cure:
  • Planetary failure
  • Planetary wear
Pinion Pin

Pinion Pin 77731-02K

Fits 4-pinion rear planetary.

    Helps cure:
  • Planetary failure
  • Planetary wear
Planetary Rebuild Kit

Planetary Rebuild Kit 77731-RK

Fits 4-pinion rear planetary

    Helps cure:
  • Planetary failure
  • Planetary wear
Rear Planetary Pinion Pin

Rear Planetary Pinion Pin 77732-02

    Helps cure:
  • Planetary failure
  • Planetary wear
Round Washer

Round Washer 77731-04

Fits 4-pinion rear planetary.

    Helps cure:
  • Planetary failure
  • Planetary wear
Shim

Shim 77409-15

Endplay

  • Material: Steel
  • Inner Dia.: 1.240"
  • Outer Dia.: 1.815"
  • Thickness: 0.015"
    Helps cure:
  • Excess endplay
Shim

Shim 77406-10

  • Material: Steel
  • Thickness: 0.010"
  • Inner Dia.: 1.725"
  • Outer Dia.: 2.310"
    Helps cure:
  • Excess endplay
  • Driveline noise
Smart-Tech® Input Housing Kit

Smart-Tech® Input Housing Kit 77733-06KA

Smart-Tech® Input Housing Kit with Heavy Duty Input Shaft

Smart-Tech® Input Housing Kit with Heavy Duty Input Shaft 77733-10KA

Fits '85-later 298mm units with 30-spline input shaft. For '82-'84 298mm units with 27-spline input shaft, converter and stator shaft will need to be updated to '85-later design.

SmartShell® Heavy Duty Reaction Shell Kit

SmartShell® Heavy Duty Reaction Shell Kit 77749-02K

Heavy duty reacion shell

Wide Reaction Sun Gear Bushing

Wide Reaction Sun Gear Bushing 77010-01

May not work in some late-production sun gears with OE finish-in-place bushings. Sun Gear, Wide

  • Material: Steel-backed bronze
  • Bushing Style: Precision
  • Housing Bore: 1.706"
  • Shaft Dia.: 1.575"
  • Width: 0.600"
    Helps cure:
  • Bushing failure
  • Reaction carrier shaft damage
Pump
Bushing

Bushing 77005T

Pump

  • Material: Bimetal, PTFE-lined
  • Bushing Style: Precision
Elevated Pressure Main Pressure Regulator Spring

Elevated Pressure Main Pressure Regulator Spring 77917-08

    Helps cure:
  • Low base line pressure
Line Pressure Booster Kit

Line Pressure Booster Kit 700R4-LB1

Oversized Pressure Regulator Valve

Oversized Pressure Regulator Valve 77917-06

    Helps cure:
  • Erratic line pressure
  • Low line rise
  • Clutch slippage
  • Excess pump noise
  • 3-4 Clutch failure
    Tooling:
  • 77917-TL
  • 77917-TLC
Pump Slide Pivot Pin

Pump Slide Pivot Pin 65797

Pump Slide Spring

Pump Slide Spring 77722-01K

Replaces 2 OE springs

Pump Spring Spacer

Pump Spring Spacer 77917-RV

    Helps cure:
  • Pin bore wear
  • Erratic line pressure
Pump Vane

Pump Vane 1280

    Helps cure:
  • Lost or damaged component
Rear Stator Support Bushing

Rear Stator Support Bushing 77002B

Rear Stator Support

  • Bushing Style: Precision
  • Material: Steel-backed lead/bronze alloy
  • Width: 0.510"
  • Inner Dia.: 1.250"
  • Housing Bore: 1.360"
  • Shaft Dia.: 1.237"
    Helps cure:
  • Bushing wear
  • Bushing failure
Rear Stator Support Bushing

Rear Stator Support Bushing 77002BT-01

Rear Stator Support

  • Bushing Style: Precision
  • Material: Bimetal, PTFE-lined
  • Housing Bore: 1.360"
  • Shaft Dia.: 1.237"
  • Assembled Height: 0.510"
  • Width: 0.510"
Reverse Boost Valve Kit

Reverse Boost Valve Kit K77898A

Large Ratio, Factory-Style Sleeve, No O-Rings

    Helps cure:
  • Low Reverse boost
  • Delayed Reverse
  • Low line pressure
  • Poor upshift in manual low
Reverse Boost Valve Kit

Reverse Boost Valve Kit K77898

Large Ratio, O-Ring Style

    Helps cure:
  • Low Reverse boost
  • Delayed Reverse
  • Low line pressure
  • Poor upshift in manual low
Seal

Seal 77805-S-25

  • Material: PTFE
Stator Support Bushing

Stator Support Bushing 35007A

‘84-Later

  • Bushing Style: Precision
  • Material: Steel-backed copper alloy
  • Width: 0.500"
  • Housing Bore: 1.121"
  • Inner Dia.: 1.004"
  • Shaft Dia.: 1.002"
    Helps cure:
  • Bushing wear
  • Bushing failure
Stator Support Shaft Kit

Stator Support Shaft Kit 77918S-K

298mm or 245mm Converter, non-reluctor style, Universal bolt pattern

    Helps cure:
  • Overheated converter
  • Delayed Reverse
  • No 3rd
  • 3-4 Clutch failure
  • Code 1870
TCC Apply Valve Kit

TCC Apply Valve Kit 77805-K

Fits non-PWM units only.

    Helps cure:
  • No lockup
  • Falls out of lockup when hot
  • Fluid blown out fill tube
  • Lockup immediately after 2nd gear
  • 1-2, 2-3, 4-5 Flares
TCC Solenoid Snout Kit

TCC Solenoid Snout Kit 77942-01K

Fits '96-earlier units.

    Helps cure:
  • TCC apply concerns
  • Overheated converter
  • Loss of lube oil
TV Boost Valve Kit

TV Boost Valve Kit 77917-02K

.423" Dia., Factory-Style Sleeve

    Helps cure:
  • Soft slide shifts
  • 3-4 Clutch burned
  • Reduced band life
TV Boost Valve Kit

TV Boost Valve Kit 77917-01K

.423" Dia., O-Ring Style

    Helps cure:
  • Soft slide shifts
  • 3-4 Clutch burned
  • Reduced band life
TV Boost Valve Kit

TV Boost Valve Kit 77917-471

.471" Dia., O-Ring Style

    Helps cure:
  • Soft slide shifts
  • 3-4 Clutch burned
  • Reduced band life
TV Boost Valve Kit

TV Boost Valve Kit 77917-03K

.471" Dia., Factory-Style Sleeve

    Helps cure:
  • Soft slide shifts
  • 3-4 Clutch burned
  • Reduced band life
TV Boost Valve Kit

TV Boost Valve Kit 77917-04K

.500" Dia., Factory-Style Sleeve

    Helps cure:
  • Soft slide shifts
  • 3-4 Clutch burned
  • Reduced band life
TV Boost Valve Kit

TV Boost Valve Kit 77917-500

.500" Dia., O-Ring Style

    Helps cure:
  • Soft slide shifts
  • 3-4 Clutch burned
  • Reduced band life
Valve Body
Accumulator Valve Train Kit

Accumulator Valve Train Kit 77777L-K

Fits "L" version valve trains in light/medium weight vehicles only with valve dia. .330". Fits 4L60 '87-later auxiliary valve body styles only.

    Helps cure:
  • 1-2 Bang at light throttle
  • Reduced 2-4 band life
Accumulator Valve Train Kit

Accumulator Valve Train Kit 77777M-K

Fits "M" version valve trains in heavy weight vehicles. In 4L60, fits '87-later auxiliary valve body styles only.

    Helps cure:
  • 1-2 Bang at light throttle
  • Reduced 2-4 band life
Checkball

Checkball 10000-08

Imidized Plastic, .250" Dia.

  • Material: Imidized Plastic
  • Dia.: 0.250"
    Helps cure:
  • Lost or damaged component
Checkball

Checkball 10000-10

Imidized Plastic, .312" Dia.

  • Material: Imidized Plastic
  • Dia.: 0.312"
Clip

Clip 77754-08

  • Height: 1.010"
  • Width: 0.520"
Oversized Throttle Valve

Oversized Throttle Valve 77968

Not compatible with early '82–'90 aluminum sleeve units.

    Helps cure:
  • Low line rise
  • 3-4 Clutch & band failure
    Tooling:
  • 77968-RM
Shortened TV Link

Shortened TV Link 77872-01

    Helps cure:
  • Low line rise
  • Soft shifts
  • 3-4 Clutch failure
  • 3-4 Band failure
TV Plunger Spring

TV Plunger Spring 77968-01K

    Helps cure:
  • Low throttle pressure
  • Low line pressure
The Sure Cure® Kit

The Sure Cure® Kit SC-4L60

    Helps cure:
  • 3-4 Clutch failure
  • Burnt clutches & bands
  • Excess pump noise
  • Low line pressure
  • Low line rise
  • Low Reverse boost
  • 2-3 Shift feel poor
  • Early upshifts
  • Soft upshifts
  • Soft shifts
  • Slide shifts
  • Delayed Reverse
    Tooling:
  • 77917-TL
Throttle Valve

Throttle Valve 77968-02

Fits both aluminum sleeved and non-sleeved units.

    Helps cure:
  • Low line rise
  • Pin bore wear
  • Early upshifts
  • Soft upshifts
  • Premature 3-4 clutch failure
Throttle Valve Plunger Kit

Throttle Valve Plunger Kit 77966-94MK

Prevents forced 4-3 kickdown below three-quarter throttle

    Helps cure:
  • Low line rise
  • Early upshifts
  • Soft upshifts
  • Premature 3-4 clutch failure
  • Low line pressure
Throttle Valve Plunger Valve Kit

Throttle Valve Plunger Valve Kit 77966-94K

Replacement for OE plungers with “94” code.

    Helps cure:
  • Low line rise
  • Early upshifts
  • Soft upshifts
  • Premature 3-4 clutch failure
  • Low line pressure
Case
1-2 or 3-4 Accumulator Spring

1-2 or 3-4 Accumulator Spring 74926

    Helps cure:
  • Soft shifts
3-4 Accumulator Sleeve Kit

3-4 Accumulator Sleeve Kit 77998-01K

    Helps cure:
  • Case damage
  • Scored accumulator bores
  • Worn accumulator bores
3rd Accumulator Checkball & Seat

3rd Accumulator Checkball & Seat 74480D

    Helps cure:
  • 2-3 Soft
  • 2-3 Flare
  • 3-4 Clutch burned
  • 2-4 Band burned
  • 3-2 Bind-up
  • 2-3 Bind-up
Enhanced Performance Accumulator Spring

Enhanced Performance Accumulator Spring 77704S

Oversized Accumulator Pin & Reamer Kit

Oversized Accumulator Pin & Reamer Kit 77999-02K

    Helps cure:
  • Reduced band life
  • Reduced clutch life
  • 2-3 Bind-up
  • 2nd Gear starts
  • Poor shift quality
Pinless Accumulator Piston Kit

Pinless Accumulator Piston Kit 77998-03K

In 200-4R applications, this kit can only be used in the 3-4 accumulator location.

    Helps cure:
  • Poor shift quality
  • Burnt clutches & bands
Replacement Seal Kit

Replacement Seal Kit 77998-03SK

Seals Fit 77998-03K Piston

Servo Release Check Valve Kit

Servo Release Check Valve Kit 77701-076

2nd Gear Servo Release

    Helps cure:
  • Reduced 3-4 clutch life
  • 2-3 Shift feel poor
  • 3-2 Bind-up
Servo/Band
2nd Gear "Corvette" Ratio Servo Kit

2nd Gear "Corvette" Ratio Servo Kit 77701-04K

2nd Gear Super Hold Servo Kit

2nd Gear Super Hold Servo Kit 77911-03K

4th Gear Super Hold Dual Servo Kit

4th Gear Super Hold Dual Servo Kit 77767K

Extra Wide Intermediate Band

Extra Wide Intermediate Band 77700-01K

Kevlar® Material

Extra Wide Intermediate Band

Extra Wide Intermediate Band 77700-01

Red Material

  • Color: Red
Metal Clad Viton® Seal

Metal Clad Viton® Seal 77911-02

Press in

  • Material: Fluorocarbon
  • Housing Bore: 0.750"
  • Shaft Dia.: 0.500"
    Helps cure:
  • 2-3 Concerns
  • 2-4 Band failure
Replacement Seal Kit

Replacement Seal Kit 77701-04SK

For 77701-04K

Replacement Seal Kit

Replacement Seal Kit 77911-03SK

For 77911-03K 2nd Gear Superhold Servo

Replacement Seal Kit

Replacement Seal Kit 77767K-SK

Servo Pin Kit

Servo Pin Kit 77787-02K

Extra long pin with seals

Other
Carburetor TV Linkage Corrector Kit

Carburetor TV Linkage Corrector Kit AS4-04K

Fits Holley® style throttle arm

Carburetor TV Linkage Corrector Kit

Carburetor TV Linkage Corrector Kit AS5-05K

Fits Edelbrock® style throttle arm

Forward Piston Installation Tool

Forward Piston Installation Tool 77764-INSTL

TV Cable Corrector Kit

TV Cable Corrector Kit AS1-01K

Throttle Cable & TV Cable Bracket

Throttle Cable & TV Cable Bracket AS6-01

Fits Holley® carburetors.

Tool Kit

Tool Kit 77917-TL

Tool Kit

Tool Kit 77917-TLC

Tech Resources

April 20, 2020

Hydraulics Fundamentals Part VII: AFL/Solenoid Modulator Valves

October 28, 2019

The Ultimate 4L60E Reaction Shaft Upgrade for Big Power Transmissions

October 24, 2018

Clean Up Your Shifts with Sonnax Line Pressure Booster Kits

June 06, 2018

All Over the Map: Attacking 4L60/E Burnt 3-4 Clutches with Confidence

Brian Wing

August 23, 2017

First, Do No Harm: Things You Should Know about Performance Servos

Gregg Nader

April 28, 2017

4L60E Performance & Heavy-Duty Transmission Build Charts

March 02, 2016

Building the Killer 4L60E - Top Tips for Optimizing Your Transmission Upgrades

February 22, 2016

Eliminate 3-4 Clutch Failure with the Smart-Tech® Input Housing

April 07, 2015

Drilling Orifices the Smart Way

June 05, 2013

Solve Multiple 4L60/E Problems in All Performance Applications with the Sonnax SmartShell®

January 01, 2013

GM 4L60 Valve Body Identification

Valve Body Xpress

January 01, 2013

'82-'93 4L60 Harsh or Delayed Reverse Engagements

Valve Body Xpress

October 16, 2012

Transmission Report: New Sonnax Improvements for the 4L60 3-4 Clutch

October 16, 2010

Transmission Report: SmartShell® and More

May 31, 2009

A New Trick in the Bag: Additional 2nd Gear Servo Size for the 4L60-E

Gregg Nader

April 02, 2008

An Easier Way to Rebuild Planets

Gregg Nader

September 05, 2007

Conquering the Planets

Gregg Nader

May 19, 2006

SonnaFlow® Chart: 4L60 (700-R4) (Poor)

May 19, 2006

SonnaFlow® Chart: 4L60 (700-R4) (Mod)

September 16, 2005

GM TCC Circuits

Maura Stafford


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