InMotion WTHM88610 Differential Pinion Race

Differential Pinion Race for Driveline Service

The InMotion WTHM88610 differential pinion race is built for driveline applications that demand stable rotation, reduced friction, and consistent bearing support. With a 0.781 in width, 2.844 in cup outside diameter, and 0.09 in bearing cup radius, it is sized for a wide range of axle and differential service needs across many makes and models.

Use this bearing race when servicing rear outer, front outer, rear inner, or front inner differential assemblies on vehicles such as Chevrolet Silverado 1500, Jeep Wrangler, and Toyota Tacoma. The WTHM88610 is a practical replacement choice for technicians working on common axle and ring gear setups.

Key Features

• Part number: WTHM88610
• Category: Driveline and Axles > Bearings
• Part type: Differential Pinion Race
• Width: 0.781 in / 19.84 mm
• Cup outside diameter: 2.844 in / 72.73 mm
• Bearing cup radius: 0.09 in / 2.3 mm
• Universal-style bearing construction for multiple automotive and industrial uses
• Supports smooth rotation, lower friction, and stable operation

Detailed Description

InMotion WTHM88610 is a differential pinion race made from high-quality materials for dependable bearing performance in driveline assemblies. Its dimensional profile supports a broad range of applications, including many rear axle and front differential service jobs. This part is used in vehicles with 9.5 in ring gear, 198 mm ring gear, Toyota axle, AAM differential, Spicer axle, and Haldex RDCM axle configurations. It is also listed for applications across Chevrolet, GMC, Jeep, Toyota, Ford, Dodge, Ram, Land Rover, BMW, Mercedes-Benz, and other platforms.

This part cross-references common OE-style service needs for the same application and is identified by part number WTHM88610.

Compatible Vehicle Applications

• Fits 2001-2018 Chevrolet Silverado 1500, rear outer, with 9.5in Ring Gear
• Fits 2001-2018 Chevrolet Silverado 2500 HD, front outer, with AAM Differential
• Fits 2007-2018 Jeep Wrangler JK, front outer, with Spicer 30-SF Axle
• Fits 1995-2016 Toyota Tacoma, rear inner, with 8.4in Ring Gear
• Fits 2011-2018 Ram 2500, front outer, with AAM Differential
• Fits 2012-2018 Land Rover Range Rover Evoque, rear inner, with Haldex RDCM Axle
• Fits 1997-2007 Jeep Wrangler, rear inner, with Spicer 35C Axle
• Fits 2003-2010 Dodge Ram 2500, front outer, with AAM Differential
• Fits 1998-2011 Ford Ranger, front inner, with Spicer 35-SLA Axle
• Fits 2007-2018 GMC Sierra 1500, rear outer, with 9.5in Ring Gear

What It Is Used For

• Replacing a worn or noisy differential pinion race
• Restoring smooth bearing operation in axle assemblies
• Addressing friction, rough rotation, or bearing wear during driveline repair
• Supporting differential service on trucks, SUVs, and performance cars
• Servicing front or rear axle assemblies with the listed ring gear and axle configurations

Installation Notes and Tips

Confirm the axle type, ring gear size, and bearing dimensions before installation. Match the application by position and notes, since this part is listed for multiple front and rear differential locations. Clean the bearing bore and inspect the mating surfaces for scoring or damage before pressing in the new race. Verify proper bearing preload and setup during reassembly.

Quality Assurance

InMotion manufactures this bearing race from high-quality materials for consistent service in automotive and industrial environments. The design focuses on durability, stable operation, and compatibility across a broad range of driveline applications.