LuK Differential Bearing Kit for Rear 8.25 Axles

The LuK GDK303B is an axle differential bearing and seal kit for rear 8.25-inch applications. It provides OE-quality bearings selected for professional transmission and driveline repair on supported Jeep, Dodge, Ram, Chrysler, and Mitsubishi vehicles.

Key Features

• Part number GDK303B differential bearing kit
• OE-quality bearing components for rear axle service
• Built for 8.25-inch rear differential applications
• Supports professional repair of worn or damaged differential bearings
• Cross-references SKF SDK303-B and Timken DRK303B

Detailed Description

LuK GDK303B is a differential bearing kit for rear 8.25-inch axle service on select Jeep Liberty, Jeep Grand Cherokee, Dodge Dakota, Dodge Durango, Dodge Ram 1500, Dodge Nitro, Chrysler Aspen, Ram Dakota, Jeep Commander, Mitsubishi Raider, and Dodge Ram 1500 Van applications. This kit is assembled with OE-quality components chosen for the specific transmission and axle repair need, helping restore proper differential bearing function during a professional driveline rebuild. This part cross-references SKF SDK303-B and Timken DRK303B for the same application.

What It Helps Repair

• Rear differential bearing noise
• Excessive bearing wear or rough operation
• Damage found during axle teardown
• Service needs on 8.25-inch rear axle assemblies
• Driveline issues tied to worn differential bearings

Installation Notes

Compatible With rear 8.25-inch axle applications only. Verify axle size, vehicle year, and rear position before installation. Professional differential setup is recommended, including correct bearing preload and gear pattern checks during reassembly.

Quality Assurance

LuK selects OE-quality components for each specific transmission and axle application to support a professional repair outcome.