OE-Quality Differential Bearing Kit

The LuK GDK325A-MK differential bearing kit provides the OE-quality bearings needed for a professional rear axle repair. It is built for service work on the 10.5-inch rear differential used in a wide range of Chevrolet and GMC trucks, vans, and chassis applications.

Fits 1988-1997 Chevrolet C2500, rear; Fits 1988-1997 Chevrolet C3500, rear; Fits 1988-1997 GMC C2500, rear; Fits 1988-1997 GMC C3500, rear; Fits 1988-1997 Chevrolet K2500, rear; Fits 1988-1997 Chevrolet K3500, rear; Fits 1988-1997 GMC K2500, rear; Fits 1988-1997 GMC K3500, rear.

• LuK differential bearing kit for rear axle service
• OE-quality bearing components selected for the specific transmission/differential application
• Direct repair solution for 10.5-inch rear differential service
• Cross-references SKF SDK325-AMK for the same application
• Part number: GDK325A-MK

Application Details

This kit is used in rear differential bearing service on Chevrolet C2500, Chevrolet C3500, GMC C2500, and GMC C3500 models, along with additional Chevrolet and GMC truck, van, and chassis applications listed in the fitment data. It also covers 1988-1997 Chevrolet K2500 and K3500, rear, plus 1988-1997 GMC K2500 and K3500, rear, for 10.5-inch axle configurations.

Part number GDK325A-MK is a practical choice when rebuilding the rear differential on heavy-duty Chevrolet and GMC platforms that require OE-quality bearing replacement.

What It Helps Repair

• Rear differential bearing noise
• Excessive bearing wear during axle service
• Rough operation from damaged differential bearings
• Repair needs on 10.5-inch rear axle assemblies
• Service work on high-mileage Chevrolet and GMC driveline components

Installation Notes

Confirm axle size and design before ordering, since fitment includes 10.5-inch rear applications and some 1988 models marked as 2nd Design. Professional differential setup is recommended after bearing replacement to verify proper preload and gear contact pattern.

Quality Assurance

LuK states that each differential bearing kit is assembled with OE-quality components selected for the specific transmission or differential application, supporting a professional-grade repair standard.