SPRING POPPET SHIFT ROD
WOA966
Shift rod poppet spring Dana 18 transfer case
Poppet spring for shift rod locking
Compression spring for the poppet locking mechanism of the shift rods in the Dana 18 transfer case. This spring keeps the shift rod under tension and ensures that the transfer case stays properly engaged and does not jump out of gear unexpectedly.
|
Material Steel |
Transfer case Dana 18 |
|
Function Shift rod poppet spring |
Quantity Per piece |
Features
- Poppet spring for shift rod locking Dana 18
- Ensures transfer case stays in gear
- Prevents unexpected jumping out of gear
- Used with poppet ball and plug
- Compatible with Dana 18, Dana 20 and Dana 300 transfer case
★ Replace this spring in good time to prevent problems with gears jumping out. A weakened spring can prevent the transfer case from locking properly.
Application
Dana 18 transfer case (1941-1971), Dana 20 transfer case (1962-1979), Dana 300 transfer case (1980-1986). Fits vehicles with these transfer cases as listed in the product categories.
Installation notes
Remove the poppet plug from the front output bearing cap. Replace the spring together with the poppet ball if necessary. Ensure the plug is properly tightened to prevent leakage. During disassembly: take care with the bullet-shaped interlock pin between the shift rods.
Compatibility
Universal for Dana 18, Dana 20 and Dana 300 transfer cases. Two poppet springs are required per transfer case (one on each side of the front output bearing cap). Not to be confused with the anti-rattle shift lever springs that are located on the shift levers themselves.
Historical context
The Dana 18 transfer case was standard equipment in Willys and Jeep vehicles from 1941 and was produced until the early 1970s. The poppet spring is a critical component of the shift detent system that provides reliable gear locking.
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 08 - TRANSFER CASE CJ2A, GROUP 08 - TRANSFER CASE CJ3A, GROUP 08 - TRANSFER CASE M38, GROUP 08 - TRANSFER CASE CJ3B
This part fits:
| Model | Years |
|---|---|
| Military jeeps | |
| Willys MB (early) | 1941, 1942 |
| Willys MB | 1942, 1943, 1944, 1945 |
| Ford GPW (early) | 1942 |
| 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 |
| Jeep CJ-5 | 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983 |
📐 Diagrams & technical drawings
From the original Technical Manual CJ2A_PL_1949 — Parts List — only for Willys CJ-2A / CJ-3A (1949)









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