SKF Differential Pinion Seal P/N:18741
Keep lubricant inside the rear axle and road grime out with the SKF differential pinion seal, part number 15315. This rear differential pinion seal fits many vehicles, including the 1978-2002 Pontiac Firebird, 1982-2004 Chevrolet S10 and 1985-2005 Chevrolet Astro. See the "Vehicles it fits" section for the full list and engine details.
The seal stays stationary at the pinion while its lip rides against the rotating pinion yoke. This helps keep lubricant in the differential and contaminants out.
SKF invented the first integrated shaft seal in 1928. Since then it has continued to pioneer new seal designs and bonding techniques. Its seals are built to specific designs, using premium materials chosen to suit both the application and its operating environment.
Signs this part may need replacing:
Diagnose the source of any leak before replacing parts.
Interchange: 8610 · 8611N · 4132588100 · 26026792 · 8260267920 · 27SS2588
This part cross-references / interchanges with the following part numbers:
What does the SKF 15315 pinion seal do?
It seals around the rotating pinion yoke in the rear differential. It helps keep lubricant inside the housing and keep dirt and water out.
Which vehicles does SKF 15315 fit?
It fits many vehicles, including the 1982-2004 Chevrolet S10, 1985-2005 Chevrolet Astro and 1978-2002 Pontiac Firebird. See the "Vehicles it fits" section for the full list and engine details.
What are the SKF 15315 seal's case and spring made of?
The body is made from deep drawn sheet steel, which forms a rigid, stress-resistant metal case. The garter spring is made from cold drawn steel wire.
What are signs a pinion seal may need replacing?
Look for lubricant seeping around the pinion yoke, a wet or grimy area on the differential housing, or a low fluid level. Confirm the source of the leak before replacing the seal.
Which part numbers does SKF 15315 interchange with?
It interchanges with 8610, 8611N, 4132588100, 26026792, 8260267920 and 27SS2588.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.