GM

4T80-E Transmission

Tech Resources

Browse all 4T80-E transmission parts here or use the filters below to find just what you are looking for.

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Zip Valve™ Drop-in Parts

Symptoms

Area of Transmission

Part Type

Pump

Boost Valve Kit

Boost Valve Kit 72754-01K

Factory-style sleeve, no O-rings

Helps cure:

Delayed Reverse
Soft shifts
Low line pressure
No Reverse
Harsh shifts
High line pressure

Valve Body

2-3 Accumulator Piston

2-3 Accumulator Piston 72871-01

Fits '94-later units.

Helps cure:

2-3 Soft
Worn accumulator piston pin bore
Damage from broken spring
4-3 Kickdown
3rd Clutch distress

3-4 Accumulator Piston

3-4 Accumulator Piston 72872-01

Helps cure:

Worn accumulator piston pin bore
Damage from broken spring
4-3 Kickdown
2-3 Soft
3rd Clutch distress

AFL Valve Kit 72854-01K

Helps cure:

Solenoid performance codes
2nd Gear starts
Soft shifts & poor line rise
Harsh shifts
No 4th
Clutch failure
Band failure
Wrong gear starts

Tooling:

72854-TL

TCC Regulator Valve Kit

TCC Regulator Valve Kit 72854-03K

Helps cure:

Code 39, 741
TCC apply & release concerns
Overheated converter

Tooling:

72854-TL2

Other

Tool Kit 72854-TL

Tool Kit 72854-TL2

Tech Resources

FEATURED

January 01, 2013

Identification Guide

GM 4T80-E Valve Body Identification

Valve Body Xpress

January 25, 2023

Uncovering the Root Cause of Pressure & Complaints – The Critical Role of Solenoid Modulator & AFL Valves

Maura Stafford

January 01, 2013

GM 4T80-E Solenoid Identification

Valve Body Xpress

September 16, 2005

GM TCC Circuits

Maura Stafford

September 15, 2003

Beyond 1870: GM Converter Codes P0741, P0742 and 1887

Gregg Nader

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