InMotion WTHM89410 Differential Pinion Race

Differential Pinion Race for Driveline Service

InMotion WTHM89410 is a differential pinion race built for driveline repair across a wide range of rear and front axle applications. With a 3 in. cup outside diameter, 0.906 in. width, and 0.13 bearing cup radius, it is sized for precise bearing support and consistent rotational performance.

Compatible With BMW, Mercedes-Benz, Hyundai, Kia, Volvo, Jaguar, Mitsubishi, Ford, Chevrolet, GMC, Pontiac, and other listed applications, this part number WTHM89410 is used in differential assemblies where stable bearing operation and reduced friction are required.

• 3 in. cup outside diameter for application-specific differential bearing fitment
• 0.906 in. width for proper race support in the axle assembly
• 0.13 bearing cup radius for accurate bearing contact geometry
• Universal-style bearing construction for broad driveline use
• Built for smooth operation and durability in automotive and industrial environments
• Part number WTHM89410 for direct catalog identification

Application Details

This differential pinion race is used in rear inner, rear outer, front inner, and front outer positions depending on the vehicle and axle configuration. Fitment includes 2011-2017 Chevrolet Caprice rear outer with ZF differential, 2014-2017 Chevrolet SS rear outer with ZF differential, 2010-2012 Mercedes-Benz GL350 front inner with Mercedes-Benz 4Matic System, 2007-2012 Mercedes-Benz GL450 front inner with Mercedes-Benz 4Matic System, and 2004-2009 BMW X3 rear inner with BMW 188K Differential. It also fits many Hyundai Tucson, Kia Sorento, BMW 3 Series, Mercedes-Benz 4Matic, Volvo, Jaguar, Mitsubishi, Ford, and GMC axle applications listed in the fitment data.

For buyers searching for a BMW rear inner differential pinion race, a Mercedes-Benz 4Matic front inner bearing race, or a Hyundai Tucson rear inner differential bearing component, WTHM89410 provides a cataloged solution across many axle families.

What It Helps Address

• Noise or roughness from worn differential bearing surfaces
• Excessive friction in the pinion bearing area
• Loss of bearing stability in the axle assembly
• Wear-related driveline vibration tied to race damage
• Service needs on rear inner, rear outer, front inner, or front outer differential positions

Installation Notes and Tips

Verify axle type, bearing dimensions, and position before installation. This part is listed across multiple differential families, so match the vehicle, year, make, model, position, and notes exactly to the application. Inspect the bearing, pinion, and related race surfaces during service, and replace any worn mating components as needed for proper assembly.

Quality Assurance

InMotion manufactures this bearing with high-quality materials for consistent operation and durability in automotive and industrial use. The design emphasizes smooth rotation, friction reduction, and dependable performance across the listed applications. Part number WTHM89410 is cataloged for accurate identification during differential service.