GM 4L80-E Valve Body Identification
Valve Body Xpress
Part Number Chart
| Part Number | Description |
|---|---|
| GM026 (Warranty Only) | '91-'92 with Screw-In Temp Sensor |
| GM027 | '92-'96 Temp Sensor in Wire Harness |
| GM028 | '97-'03 |
| GM029 | '04-Later |
Identification
| '91-'96 |
|---|
 |
Look for two small holes on the upper right side of the valve body. The holes do not appear on '97-later units. The screw in the temperature sensor is only used in 1991. All later years use the temperature sensor located in the internal wiring harness. |
| '97-'03 |
 |
| The lube hole moved to the location indicated by the arrow above. |
| '04-Later |
 |
| Have a late-style EPC, which can be identified by the silver canister. |
Related Units
Related Parts
Required
Recommended
4L80-E, 4L85-E
Remanufactured Valve Body GM027
’92–’96, Temperature Sensor in Wire Harness
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