PLUG MASTER CYLINDER ADDITIONAL TANK DODGE
Master cylinder plug
1/8 NPT thread
Metal sealing plug for the master cylinder of Dodge WC-series lorries. Replaces the original plastic plug which often leaks. Version with 1/8 NPT thread.
|
Material Brass |
Thread 1/8 NPT |
|
Application Master cylinder seal |
Type Tapered sealing plug |
Features
- 1/8 NPT tapered thread
- Replaces unreliable plastic plug
- Suitable for master cylinder port
- Oil and brake fluid resistant
- Simple installation
★ This metal plug ensures a reliable seal for the master cylinder and prevents brake fluid leakage.
Application
For use on the master cylinder of Dodge WC-series vehicles where an additional port is present (often used for stoplight switch on later applications). On WC lorries, the stoplight switch is located in the 4-way junction on the frame, requiring this port to be sealed.
Installation notes
Unscrew the old plastic plug. Clean the thread in the master cylinder. Fit the new metal plug with light hand pressure — do not overtighten to prevent damage. Use PTFE tape or pipe thread paste if necessary for optimum sealing.
Compatibility
Fits master cylinders with 1/8 NPT thread. Note: early Dodge WC lorries had a sloped master cylinder; later M37 cylinders are flat top. This plug fits both types provided the port is present with 1/8 NPT thread.
Historical context
Many reproduction master cylinders were supplied with plastic plugs in the port originally intended for a stoplight switch. These plastic plugs are notorious for leaking and are therefore replaced by solid metal plugs.
This description was generated automatically. Unsure about fitment? Contact us at 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.
This part fits:
| Model | Years |
|---|---|
| Dodge | |
| Alle Dodge WC / M-serie | 1942, 1943, 1944, 1945, 1946, 1947, 1948, 1949, 1950, 1951, 1952, 1953, 1954, 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968 |
📐 Diagrams & technical drawings
From the original Technical Manual TM 9-808 — Technical Manual — only for Dodge ¾-ton 4×4 (WC series)








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