RETAINER THERMOSTAT
WO639651
Thermostat Retainer
For L-134 Go Devil Engine
Metal retainer that holds the thermostat in place within the thermostat housing. This component ensures the thermostat remains correctly secured against the cylinder head connection and prevents shifting during operation.
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Material Metal |
Engine type L-134 Go Devil (chain drive) |
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Application Thermostat mounting |
Installation In thermostat housing, beneath water outlet |
Features
- Fits in thermostat housing between thermostat and water outlet
- Prevents thermostat shifting during operation
- Essential for correct cooling system function
- Compatible with original and replacement thermostats
- Replacement part conforming to original specification
★ Replacement part for the L-134 Go Devil engine. Essential when replacing thermostat or overhauling the cooling system.
Installation notes
Position the retainer in the thermostat housing after installing the thermostat, before fitting the water outlet. Ensure the thermostat is correctly positioned with the spring assembly facing the engine. Use a new gasket between thermostat housing and water outlet.
Compatibility
Specific to L-134 engine with chain drive (early type). NOT compatible with F-134 engine (gear drive) — this has a different thermostat housing design. Note the difference between L-head (chain) and F-head (gear) engines when ordering cooling system parts.
Historical context
The L-134 'Go Devil' engine was the original powerplant of the WWII Jeep and early civilian variants. The thermostat system was essential for reliable operation under extreme conditions, from North African deserts to European winters.
This description was generated automatically. Unsure about fitment? Contact us at info@willys.be.
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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 : Upper Engine – Cylinder Head, Upper Engine CJ2A, UPPERENGINEHEAD CJ2A, Cooling Thermostat Elbow CJ2A, UPPERENGINEHEAD CJ3A, Cooling Thermostat Elbow CJ3A, Upper Engine M38, UPPERENGINEHEAD M38
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 |
| CJ series | |
| Jeep CJ-2A | 1945, 1946, 1947, 1948, 1949 |
| Jeep CJ-3A | 1949, 1950, 1951, 1952, 1953 |
📐 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)
