OE-Quality Differential Bearing Kit

The LuK GDK325B differential bearing kit provides the OE-quality bearings needed for a professional rear differential repair. It is built for service on a wide range of Chevrolet and GMC trucks and vans with the 10.5-inch rear differential, including Silverado 2500 HD, Sierra 2500 HD, Express, and Savana applications.

Use this kit when servicing the rear differential on 1998-2023 Chevrolet and GMC platforms. The GDK325B is selected for direct repair work where bearing wear, noise, or drivetrain roughness has affected differential operation.

• OE-quality differential bearing kit for rear axle service
• Fits rear 10.5-inch differential applications on select Chevrolet and GMC vehicles
• Supports professional transmission and driveline repair work
• LuK part number GDK325B for easy identification
• Cross-references Timken DRK325B and SKF SDK325-B for the same application

Compatible Vehicle Applications

• Fits 2021-2023 Chevrolet Express 2500, rear, Standard Differential Kit
• Fits 2021-2023 Chevrolet Express 3500, rear, Standard Differential Kit
• Fits 2021-2023 GMC Savana 2500, rear, Standard Differential Kit
• Fits 2021-2023 GMC Savana 3500, rear, Standard Differential Kit
• Fits 1998-2020 Chevrolet Express 2500, rear, 10.5"
• Fits 1998-2020 Chevrolet Express 3500, rear, 10.5"
• Fits 1998-2020 GMC Savana 2500, rear, 10.5"
• Fits 1998-2020 GMC Savana 3500, rear, 10.5"
• Fits 2019 Chevrolet Suburban 3500 HD, rear, 10.5"
• Fits 2016-2017 Chevrolet Suburban 3500 HD, rear, 10.5"
• Fits 2001-2017 Chevrolet Silverado 2500 HD, rear, 10.5"
• Fits 2011-2017 Chevrolet Silverado 3500 HD, rear, 10.5"
• Fits 2001-2017 GMC Sierra 2500 HD, rear, 10.5"
• Fits 2011-2017 GMC Sierra 3500 HD, rear, 10.5"
• Fits 2008-2013 Chevrolet Suburban 2500, rear, 10.5"
• Fits 2008-2013 GMC Yukon XL 2500, rear, 10.5"
• Fits 2002-2006 Chevrolet Avalanche 2500, rear, 10.5"
• Fits 1999-2004 Chevrolet Silverado 2500, rear, 10.5"
• Fits 1999-2004 GMC Sierra 2500, rear, 10.5"
• Fits 1998-2000 Chevrolet C2500, rear, 10.5"
• Fits 1998-2000 Chevrolet C3500, rear, 10.5"
• Fits 1998-2000 Chevrolet K2500, rear, 10.5"
• Fits 1998-2000 Chevrolet K3500, rear, 10.5"
• Fits 1998-2000 GMC C2500, rear, 10.5"
• Fits 1998-2000 GMC C3500, rear, 10.5"
• Fits 1998-2000 GMC K2500, rear, 10.5"
• Fits 1998-2000 GMC K3500, rear, 10.5"
• Fits 1998-1999 Chevrolet P30, rear, 10.5"
• Fits 1998-1999 GMC P3500, rear, 10.5"

What This Kit Helps Address

• Rear differential bearing noise
• Excessive play or looseness in the differential assembly
• Wear found during axle or transmission service
• Restoration work on high-mileage driveline components
• Repair needs on 10.5-inch rear differential setups

Installation Notes

Confirm rear axle configuration and differential size before ordering. This kit is for rear applications only and should be matched to the vehicle’s 10.5-inch differential where listed. Professional installation and setup are recommended for differential service, including proper inspection of related wear surfaces and bearing seats.

Quality Assurance

LuK selects OE-quality components for each specific transmission and differential application to support professional repair standards. The GDK325B is built as a service kit for accurate replacement work on the listed Chevrolet and GMC vehicles.