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GEAR OUTPUT SHAFT
Output shaft sliding gear
For Dana Spicer 18 transfer case with 3/4" intermediate shaft
Sliding gear for the output shaft of the Dana Spicer 18 transfer case. This component is essential for shifting between high and low range in the transfer case and is supplied as a new replacement part.
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Application Dana Spicer 18 transfer case |
Configuration 3/4" intermediate shaft (early type) |
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Function Output shaft sliding gear |
Part number A988 |
Features
- Sliding gear for transfer case output shaft
- Compatible with Dana Spicer 18 with 3/4" intermediate shaft
- Essential component for high/low range shifting
- High-quality replacement part
- Prevents wear and shifting problems
★ Quality replacement part for the Dana Spicer 18 transfer case — engineered to original specifications for reliable performance.
Application
This sliding gear is specifically designed for Dana Spicer 18 transfer cases with the early 3/4" intermediate shaft configuration. This configuration was used in vehicles from 1941-1946 with the original T84 transmission. Later, the intermediate shafts were enlarged to 1-1/8" and 1-1/4" for increased load capacity.
Installation notes
Installation requires dismantling of the transfer case. The sliding gear slides onto the output shaft and is secured with a snap ring (A-991). Ensure the gears are correctly aligned before closing the case. Use new gaskets and fill with SAE 90 gearbox oil.
Compatibility
ONLY suitable for Dana 18 transfer cases with 3/4" intermediate shaft — NOT interchangeable with later versions with 1-1/8" or 1-1/4" shafts. Always check the diameter of your intermediate shaft before ordering. Works with parts A989 (output shaft gear), A998 (intermediate shaft) and A991 (snap ring).
Historical context
The Dana Spicer 18 transfer case was designed in 1940 and was the first mass-produced four-wheel drive transfer case for the Willys MB and Ford GPW. The early version with 3/4" intermediate shaft was characterised by its compact construction and reliability under wartime conditions.
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.
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 |