InMotion WS710506 Differential Pinion Seal - Rear Outer

Differential Pinion Seal for Rear Outer Applications

The InMotion WS710506 differential pinion seal is built to create a secure barrier at the rear outer differential pinion area. Made from nitrile, it helps keep contaminants out while supporting a tight seal that reduces fluid loss and protects internal differential components.

Use this seal for service on Chevrolet Silverado 1500, GMC Sierra 1500, and Cadillac Escalade rear outer differential applications with the specified ring gear or axle configuration.

Key Features

• Nitrile construction for sealing performance and fluid resistance
• Inside diameter: 2.125 in.
• Outside diameter: 2.764 in.
• Thickness: 0.469 in.
• Shaft diameter: 2.087 in.
• Housing bore: 2.756 in.
• Part number WS710506 for differential pinion seal service

Detailed Description

InMotion WS710506 is a differential pinion seal engineered for rear outer placement in a wide range of GM and related vehicles. Its nitrile material and precise dimensions help maintain a reliable seal at the pinion area, where moisture, road debris, and gear oil leakage can affect differential operation. This part is commonly used on rear outer applications for Chevrolet Tahoe, GMC Yukon, and Cadillac Escalade models, along with many Silverado 1500 and Sierra 1500 configurations.

By sealing the pinion opening, WS710506 helps preserve differential fluid integrity and supports long-term driveline protection. The part number WS710506 is a direct reference for buyers searching for a rear outer differential pinion seal for 1997-2018 Chevrolet, GMC, Cadillac, and related fitments.

What It Helps Address

• Gear oil seepage at the differential pinion area
• Contamination from dirt, water, and road debris
• Wear caused by low or leaking differential fluid
• Seal replacement during differential service or rebuilds
• Maintenance on rear outer differential assemblies

Installation Notes and Fitment

Compatible With rear outer differential applications listed below. Verify ring gear or axle configuration before installation.

• Fits 2002-2018 Cadillac Escalade, rear outer, with 8.625in ring gear
• Fits 1999-2000 Cadillac Escalade, rear outer, with 8.625in ring gear
• Fits 2003-2018 Cadillac Escalade ESV, rear outer, with 8.625in ring gear
• Fits 1999-2018 Chevrolet Silverado 1500, rear outer, with 8.625in ring gear
• Fits 2001-2018 Chevrolet Tahoe, rear outer, with 8.625in ring gear
• Fits 1999-2018 GMC Sierra 1500, rear outer, with 8.625in ring gear
• Fits 2000-2018 GMC Yukon, rear outer, with 8.625in ring gear
• Fits 2015-2018 GMC Yukon XL, rear outer, with 8.625in ring gear
• Fits 1998-2014 Chevrolet Express 1500, rear outer, with 8.625in ring gear
• Fits 2000-2014 Chevrolet Suburban 1500, rear outer, with 8.625in ring gear
• Fits 1998-2014 GMC Savana 1500, rear outer, with 8.625in ring gear
• Fits 2000-2014 GMC Yukon XL 1500, rear outer, with 8.625in ring gear
• Fits 2002-2013 Cadillac Escalade EXT, rear outer, with 8.625in ring gear
• Fits 2007-2013 Chevrolet Avalanche, rear outer, with 8.625in ring gear
• Fits 2002-2009 Chevrolet Trailblazer, rear outer, with 8.625in ring gear
• Fits 2002-2009 GMC Envoy, rear outer, with 8.625in ring gear
• Fits 2007-2009 Saab 9-7x, rear outer, with 8.625in ring gear
• Fits 2006-2008 Hummer H3, rear outer, with 8.625in ring gear
• Fits 2003-2008 Isuzu Ascender, rear outer, with 8.625in ring gear
• Fits 2004-2007 Buick Rainier, rear outer, with 8.625in ring gear
• Fits 2007 Chevrolet Silverado 1500 Classic, rear outer, with 8.625in ring gear
• Fits 2007 GMC Sierra 1500 Classic, rear outer, with 8.625in ring gear
• Fits 2002-2006 Chevrolet Avalanche 1500, rear outer, with 8.625in ring gear
• Fits 2003-2006 Chevrolet SSR, rear outer, with 8.625in ring gear
• Fits 2002-2006 Chevrolet Trailblazer EXT, rear outer, with 8.625in ring gear
• Fits 2002-2006 GMC Envoy XL, rear outer, with 8.625in ring gear
• Fits 2005-2006 Saab 9-7x, rear outer, with 8in ring gear
• Fits 1999-2005 Chevrolet Blazer, rear outer, with 8.625in ring gear
• Fits 2004-2005 GMC Envoy XUV, rear outer, with 8.625in ring gear
• Fits 1999-2005 GMC Jimmy, rear outer, with 8.625in ring gear
• Fits 1999-2004 Chevrolet S10, rear outer, with 8.625in ring gear
• Fits 1999-2004 GMC Sonoma, rear outer, with 8.625in ring gear
• Fits 2002-2004 Isuzu Axiom, rear outer, with 8.625in ring gear
• Fits 1999-2004 Isuzu Rodeo, rear outer, with 8.625in ring gear
• Fits 2002-2004 Oldsmobile Bravada, rear outer, with 8.625in ring gear
• Fits 2001-2003 Isuzu Rodeo Sport, rear outer, with 8.625in ring gear
• Fits 1999-2002 Honda Passport, rear outer, with 8.625in ring gear
• Fits 1998-2000 Chevrolet Tahoe, rear outer, with AAM axle
• Fits 1999-2000 Isuzu Hombre, rear outer, with 8.625in ring gear
• Fits 1998-1999 Chevrolet C1500, rear outer, with AAM axle
• Fits 1998-1999 Chevrolet C1500 Suburban, rear outer, with AAM axle
• Fits 1998-1999 Chevrolet K1500, rear outer, with AAM axle
• Fits 1998-1999 Chevrolet K1500 Suburban, rear outer, with AAM axle
• Fits 1998-1999 GMC C1500, rear outer, with AAM axle
• Fits 1998-1999 GMC C1500 Suburban, rear outer, with AAM axle
• Fits 1998-1999 GMC K1500, rear outer, with AAM axle
• Fits 1998-1999 GMC K1500 Suburban, rear outer, with AAM axle
• Fits 1998-1999 GMC Yukon, rear outer, with AAM axle
• Fits 1998 Chevrolet Blazer, rear outer, with AAM axle
• Fits 1998 Chevrolet S10, rear outer, with AAM axle
• Fits 1998 GMC Jimmy, rear outer, with AAM axle
• Fits 1998 GMC Sonoma, rear outer, with AAM axle
• Fits 1998 Isuzu Hombre, rear outer, with AAM axle
• Fits 1997 Chevrolet Blazer, rear outer, 2.77in outside diameter
• Fits 1997 Chevrolet C1500, rear outer, 2.77in outside diameter
• Fits 1997 Chevrolet C1500 Suburban, rear outer, 2.77in outside diameter
• Fits 1997 Chevrolet Express 1500, rear outer, 2.77in outside diameter
• Fits 1997 Chevrolet K1500, rear outer, 2.77in outside diameter
• Fits 1997 Chevrolet K1500 Suburban, rear outer, 2.77in outside diameter
• Fits 1997 Chevrolet S10, rear outer, 2.77in outside diameter
• Fits 1997 Chevrolet Tahoe, rear outer, 2.77in outside diameter
• Fits 1997 GMC C1500, rear outer, 2.77in outside diameter
• Fits 1997 GMC C1500 Suburban, rear outer, 2.77in outside diameter
• Fits 1997 GMC Jimmy, rear outer, 2.77in outside diameter
• Fits 1997 GMC K1500, rear outer, 2.77in outside diameter
• Fits 1997 GMC K1500 Suburban, rear outer, 2.77in outside diameter
• Fits 1997 GMC Savana 1500, rear outer, 2.77in outside diameter
• Fits 1997 GMC Sonoma, rear outer, 2.77in outside diameter
• Fits 1997 GMC Yukon, rear outer, 2.77in outside diameter
• Fits 1997 Isuzu Hombre, rear outer, 2.77in outside diameter

Quality Assurance

InMotion manufactures this seal with precision sizing and high-quality nitrile material to support consistent differential sealing performance. The WS710506 part number helps confirm the correct rear outer application during service.