cvpartz

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CEI

139.988

Oil Seal

Component Manufacturers

ZF(4 items)

ZF

0734300421

ZF

0734300679

ZF

0768800001

ZF

0769174312

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Watch maintenance and replacement tutorials on YouTube.

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About this part

An oil seal (shaft seal) is a ring that seals around a rotating shaft to keep lubricant in and contaminants out.

A flexible lip, held by a spring, rides against the shaft and seals the gap while the shaft turns, so oil cannot escape and dirt or water cannot enter.

Oil seals are fitted at the ends of shafts in the engine, gearbox, axles, and wheel hubs. The correct seal matches the shaft diameter and the housing bore.

Frequently asked questions

Does 139.988 have compatible (OE) part numbers?

Yes — it is linked to 14 OE-compatible part number(s), shown in the compatible parts section above.

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