CAP RAIL SHIFT 2ND/3ND GEAR T84
WO637503
Shift Rail Cap 2nd/3rd Gear T84 Transmission
Cover cap for shift rail in Warner T84 gearbox
Cover cap for the shift rail of 2nd and 3rd gear in the T84 transmission. This small but essential part seals the opening in the transmission case where the shift rail passes through and prevents oil leakage at the front of the gearbox.
Application Warner T84 3-speed transmission | Vehicle Willys MB, Ford GPW, Hotchkiss M201 |
Position 2nd/3rd gear shift rail | Function Transmission case sealing / leak prevention |
Features
- Cover cap for 2nd/3rd gear shift rail in T84 gearbox Prevents oil leakage at front of transmission Original WO-637503 specification Fits Willys MB, Ford GPW and M201 with T84 transmission Essential part during gearbox overhaul
★ Oil leaks at the front of a T84 transmission are often not caused by the main drive gear bearing, but rather by a defective or missing cap on the 2nd/3rd shift rail. Check and replace this cap during overhaul or when oil leakage is detected.
This part is intended for the restoration of historic military vehicles. Fitting, aligning, deburring or reworking is part of that work and is inherent to the nature of these goods. Dimensional variation also exists between original vehicles.
Installation requires technical knowledge of the vehicle. Unsure whether this part suits your version? Ask us before purchase at info@willys.be.
This part fits:
| Model | Years |
|---|---|
| Military jeeps | |
| Willys MB (early) | 1941, 1942 |
| Willys MB | 1942, 1943, 1944, 1945 |
| Hotchkiss M201 | 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966 |
📐 Diagrams & technical drawings
From the original Technical Manual TM 9-1803B — Ordnance Maintenance — Power Train, Body & Frame — only for Willys MB / Ford GPW (¼-ton 4×4)









