PLUG VENT DIFFERENTIAL
Front and rear axle breather plug Dana
For Dana 23, 25, 27, 41 and 44 axles
Breather plug for front and rear axle differential housing. This plug screws into the differential cover and ensures pressure compensation during heating and cooling of the axle oil. Essential component for correct operation of the drivetrain.
|
Material Steel |
Application Front and rear axle |
|
Dana axles Dana 23, 25, 27, 41, 44 |
Mounting In differential cover |
Features
- Suitable for front and rear axles
- Fits Dana 23, 25, 27, 41 and 44 differentials
- Screws into differential cover
- Ensures pressure compensation
- Prevents leakage through oil seals
★ Universal component for military jeeps and early CJ models with Dana axles. Essential for correct differential ventilation.
Application
Fits military jeeps and early civilian models with Dana axles. Standard fitment on front and rear axles of vehicles built between 1941 and early 1970s.
Installation notes
Screws directly into the differential cover, usually halfway up on the right-hand side of the cover. Ensure the plug does not become blocked by dirt or oil deposits. When used in extreme conditions (deep wading), an extension hose may be considered.
Compatibility
Fits all Dana 23, 25, 27, 41 and 44 front and rear axle differentials. NOT suitable for later AMC 20 axles or newer Dana models with different breather systems.
Historical context
Standard breather system on WWII and early post-war military jeeps. The plug prevents water and dirt from being drawn in through the oil seals during temperature fluctuations.
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 : GROUP 11 - REAR AXLE, GROUP 11 REAR AXLE DANA 44, GROUP 10 - FRONT AXLE CJ2A, GROUP 11 - REAR AXLE CJ2A, GROUP 10 - FRONT AXLE CJ3A, GROUP 10 - FRONT AXLE - M38, GROUP 11 REAR AXLE DANA 44 3B, GROUP 10 - FRONT AXLE CJ3B, GROUP 11 REAR AXLE DANA 44 CJ3B
This part fits:
| Model | Years |
|---|---|
| Military jeeps | |
| 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 9-1803B — Ordnance Maintenance — Power Train, Body & Frame — only for Willys MB / Ford GPW (¼-ton 4×4)








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