GASKET OIL PAN DRAIN PLUG
WO314338
Oil pan drain plug gasket
Original specification to military standard
Sealing gasket for the oil pan drain plug. Essential component for every oil change to prevent leakage. This gasket replaces original part number 314338 (Willys) / GPW-6734 (Ford).
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Material Copper or gasket material |
Application Oil pan drain plug |
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Vehicle Willys MB, Ford GPW, M201, CJ-2A, CJ-3A, M38, CJ-3B |
Original no. Willys 314338 / Ford GPW-6734 |
Features
- Fits Willys MB and Ford GPW (1941-1945)
- Suitable for M201, M38, CJ-2A, CJ-3A and CJ-3B
- For vehicles with L-134 engine
- Original specification per SNL G-503
- Replacement recommended with every oil change
★ Quality gasket to original military specification. Prevents oil leakage and ensures reliable sealing of the drain plug.
Application
Suitable for Willys MB (1941-1945), Ford GPW (1941-1945), Hotchkiss M201, Willys CJ-2A (1945-1949), CJ-3A (1949-1953), CJ-3B (1953-1964) and M38 (1950-1952) vehicles fitted with the 4-134 ci L-head engine.
Installation notes
Thoroughly clean the contact surfaces of drain plug and oil pan before installation. Place the new gasket on the plug. Tighten the plug by hand, then to specification (do not overtighten to avoid damaging the thread). Replace the gasket with every oil change.
Compatibility
Fits all Willys MB, Ford GPW, M201, CJ-2A, CJ-3A, CJ-3B and M38 models with 4-134 ci engine. Compatible with both chain-driven (early MB/GPW) and gear-driven (late CJ/M38) engine variants. Original Ford part number GPW-6734, Willys 314338.
Historical context
The oil pan drain plug gasket was a standard component on all WWII jeeps and early civilian CJ models. Copper was often used due to its sealing properties and corrosion resistance under harsh operational conditions.
This description was generated automatically. Unsure about fitment? Contact us at info@willys.be.
⚠ Spotted an error in this description? Report it to info@willys.be
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.
ALL_CATEGORIES : Oil Pan Willys MB Ford GPW M201, Sealings&Accessoires CJ2A, LOWER ENGINE CJ2A, Sealings&Accessoires CJ3A, OIL PAN& ACCESSOIRES CJ3A, Sealings&Accessoires M38, LOWER ENGINE M38, OIL PAN& ACCESSOIRES M38, OIL PAN& ACCESSOIRES CJ3B, Sealings&Accessoires CJ3B
This part fits:
| Model | Years |
|---|---|
| Military jeeps | |
| Willys MB (early) | 1941, 1942 |
| Willys MB | 1942, 1943, 1944, 1945 |
| Ford GPW | 1942, 1943, 1944, 1945 |
| Hotchkiss M201 | 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966 |
| Willys M38 | 1950, 1951, 1952 |
| Willys M38A1 | 1952, 1953, 1954, 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971 |
| CJ series | |
| Jeep CJ-2A | 1945, 1946, 1947, 1948, 1949 |
| Jeep CJ-3A | 1949, 1950, 1951, 1952, 1953 |
| Jeep CJ-3B | 1953, 1954, 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968 |
📐 Diagrams & technical drawings
From the original Technical Manual CJ2A_PL_1949 — Parts List — only for Willys CJ-2A / CJ-3A (1949)
From the original Technical Manual TM 10-1513 — Maintenance Manual — only for Willys MB / Ford GPW (1942)








