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GEAR OUTPUT SHAFT CLUTCH
WOA992
Front output shaft sliding gear for transfer case
39 teeth, 12 splines — Dana 18
Sliding gear for the front output shaft of the Dana 18 transfer case. This gear slides on the front output shaft to engage and disengage the front wheel drive. Essential component for the operation of the 2WD/4WD shift mechanism.
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Specifications 39 teeth × 12 splines |
Application Dana 18 transfer case |
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Material Forged steel |
Position Front output shaft |
Features
- Sliding gear for Dana 18 front output shaft
- 39 teeth, 12 internal splines
- For engaging/disengaging front wheel drive
- Original specification reproduction
- Forged steel — hardened and ground
★ Precision manufactured gear to original Dana Spicer specifications. Essential for correct operation of the 2WD/4WD shift system.
Application
For vehicles with Dana Spicer 18 transfer case as mentioned in the product categories: CJ-2A, CJ-3A, CJ-3B, M38, M38A1 and related models. This sliding gear fits Dana 18 cases with the 39-tooth front output gear configuration (used from late 1940s onwards).
Installation notes
The gear slides over the front output shaft and is operated via the shift fork. Before fitting, check the condition of the shift fork, pilot bushing and snap ring. Note correct positioning of the thrust washer. When replacing: measure axial play and inspect all engagement teeth for wear.
Compatibility
Specific to Dana 18 transfer cases with 39-tooth configuration. NOT compatible with Dana 20 or earlier Dana 18 variants with 26 or 29-tooth output gears. Different intermediate shaft diameters and tooth counts were used throughout the production years — always verify the original configuration of your transfer case.
Historical context
The Dana Spicer 18 transfer case was used from 1941 in military jeeps and remained in production until the early 1970s for civilian models. The twin-stick sliding system allowed independent selection of 2WD, 4WD-high and 4WD-low.
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 : 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)
