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Rear automatic-transmission output-shaft seal for an approximately 42.85 mm shaft and 63.65 mm outside diameter.
WJB / INMOTION PARTS WS7038SA
WS7038SA
$15.50
Tax included
| Delivery within 2-3 business days
Rear automatic-transmission output-shaft seal for an approximately 42.85 mm shaft and 63.65 mm outside diameter.
WJB / InMotion Parts WS7038SA is a rear output-shaft or extension-housing seal for selected GM THM400 automatic transmissions. The nitrile seal operates on an approximately 1.687-inch yoke surface and retains ATF in the transmission.
Application / fitment
- selected GM THM400 / Turbo-Hydramatic 400 transmissions
- selected classic Buick, Cadillac, Chevrolet, GMC, Oldsmobile and Pontiac
- selected older Oldsmobile and other applications using seal number 7038SA
Do not confuse it with larger later TH400/4L80 seals such as 9449 or with front-pump seal 6712NA. Measure the yoke and extension-housing bore.
Technical information
- type: rear output-shaft / extension-housing seal
- sealing material: nitrile / NBR
- shaft/yoke diameter: 1.687" / approximately 42.85 mm
- nominal housing bore: 2.502" / 63.55 mm
- outside diameter: 2.506" / 63.65 mm
- width: 0.582" / 14.78 mm
- cross-reference: National/Timken 7038SA
- sales unit: 1 piece
Inspect the yoke surface, extension-housing bushing and transmission vent. Lubricate the sealing lip with ATF before installing the yoke.
