Help keep lubricant inside the transfer case and dirt out with the Schaeffler Transfer Case Extension Housing Seal / Output Shaft Seal, MPN SS2938. It is a direct-fit replacement for the listed applications, including the 1987-1999 Ford F-250, 1994-2001 Dodge Ram 1500, 2007-2019 Chevrolet Silverado 1500, 2007-2020 Chevrolet Tahoe and 2007-2018 GMC Sierra 1500. See the Buyer's Guide tab for the full list and engine details.
This Schaeffler shaft seal installs in the rear, outer position at the transfer case extension housing. The seal body stays stationary in the housing while its lip rides on the rotating output shaft. It is designed to hold lubricant in and to keep dirt, dust and moisture from getting past.
- Durable Design: Schaeffler's quality assurance process accounts for the precise requirements of automotive systems.
- OE Expertise: Designed and built to stringent OEM standards for assured quality.
- Premium Materials: Selected so the seal stays durable and keeps sealing effectively.
- Contamination Protection: Intended to help block dirt, dust and moisture at the seal point.
Signs this seal may need replacing: fluid seeping or dripping at the rear of the transfer case, a wet extension housing, or a dropping transfer case fluid level. If a worn output shaft seal is causing the leak, this part replaces it. Diagnose the leak source before replacing.
Interchange: 4333N · 18860 · 4132938100
