Help keep transfer case lubricant in and dirt and water out with the SKF Transfer Case Input Shaft Seal / Output Shaft Seal, part number 18878. It is a direct-fit replacement for the listed applications, cataloged for the front position. These include the 1997-2003 Chevrolet Blazer, 1998-2001 Oldsmobile Bravada, 1999-2007 Chevrolet Silverado 1500, 1999-2007 GMC Sierra 1500, 2000-2007 Chevrolet Suburban 1500, 2002-2006 Cadillac Escalade and 2002-2010 Saturn Vue. See the Buyer's Guide tab for the full list and engine details.
SKF lists this part under both names: transfer case input shaft seal and transfer case output shaft seal. Like any shaft seal, the seal body stays stationary while its lip contacts the rotating shaft.
- Rigid metal case: The body is formed from deep drawn sheet steel, giving it a rigid, stress-resistant metal case.
- Steel garter spring: SKF uses cold drawn steel wire for the garter spring for superior fluid retention.
- Dirt and water protection: The seal is designed to give superior protection against dirt and water.
- Correct fit: It is built with a tested design and high-quality materials for correct fit.
SKF has designed seals since it invented the first integrated shaft seal in 1928, and it has kept pioneering new designs and bonding techniques since then. Its seals are made to specific designs using premium materials, chosen so the seal has the right properties for both the application and its environment.
Signs this seal may need replacing include lubricant seeping or dripping where the shaft exits the transfer case, a wet, grimy film around the seal, or a transfer case fluid level that keeps dropping. Diagnose the leak source before replacing any parts.
Interchange: OS10877-5
OS108775 · 710645 · 4132944100 · UW0982E · 12547466 · 27SS2944 · 22441 · NV22441
This part cross-references / interchanges with the following part numbers:
710645, 4132944100, UW0982E, 12547466, OS10877-5, 27SS2944, 22441, NV22441
