July 01, 2020
Always Identify These Valve Bodies BEFORE You Start a Transmission Rebuild
Andrew Jessiman
4R100 Valve Body Identification
Valve Body Xpress
Each model of the 4R100 valve body varies depending upon casting numbers located on the main valve body and the accumulator body. They can also be identified by the type of lower valve body separator plate.
Casting Number Identification
| Part Number | Casting Number | Description |
|---|---|---|
| F043 | F6 | 4R100 without PTO |
| F044 | F8 | 4R100 with PTO |
See ARROWS for location of casting numbers.
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Lower Valve Body Separator Plate Identification
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