Overview

Timken DRK325B is an axle differential bearing and seal kit for rear applications that require a 10.5 inch ring gear and an automatic transmission output shaft bearing. It is built for service work on heavy-duty Chevrolet and GMC trucks and vans, including Silverado, Sierra, Express, Savana, and Suburban models.

This Timken DRK325B kit is part of the DT Components line, which focuses on differential, transfer case, and transmission rebuild kits. The kit format brings together the bearings and seals needed to complete the repair in one service package.

Key Features

• Axle differential bearing and seal kit for rear service
• Fits applications with a 10.5 inch ring gear
• Matches vehicles with an automatic transmission output shaft bearing requirement
• Timken DT Components rebuild kit format
• Cross-references RA325B and SDK325B for the same application

Fitment Details

Compatible with 1988-2007 Chevrolet and GMC rear axle applications listed below. Fits 1998-2007 Chevrolet Express 3500, rear; Fits 2001-2007 Chevrolet Silverado 2500 HD, rear; Fits 1998-2007 GMC Savana 3500, rear; Fits 2001-2007 GMC Sierra 2500 HD, rear; Fits 1999-2003 Chevrolet Silverado 2500, rear; Fits 2001-2003 Chevrolet Silverado 3500, rear; Fits 2000-2003 Chevrolet Suburban 2500, rear; Fits 1999-2003 GMC Sierra 2500, rear; Fits 2001-2003 GMC Sierra 3500, rear; Fits 2000-2003 GMC Yukon XL 2500, rear; Fits 1996-2002 Chevrolet Express 2500, rear; Fits 1996-2002 GMC Savana 2500, rear; Fits 1997-2000 Chevrolet C2500, rear; Fits 1997-2000 Chevrolet C3500, rear; Fits 1997-2000 Chevrolet K2500, rear; Fits 1997-2000 Chevrolet K3500, rear; Fits 1997-2000 GMC C2500, rear; Fits 1997-2000 GMC C3500, rear; Fits 1997-2000 GMC K2500, rear; Fits 1997-2000 GMC K3500, rear; Fits 1997-1999 Chevrolet C2500 Suburban, rear; Fits 1997-1999 Chevrolet K2500 Suburban, rear; Fits 1998-1999 Chevrolet P30, rear; Fits 1997-1999 GMC C2500 Suburban, rear; Fits 1997-1999 GMC K2500 Suburban, rear; Fits 1998-1999 GMC P3500, rear; Fits 1988-1995 Chevrolet G20, rear; Fits 1988-1995 GMC G2500, rear; Fits 1988-1989 Chevrolet P20, rear; Fits 1988 GMC P2500, rear.

What It Helps Repair

• Rear differential bearing wear or rough operation
• Seal leakage at the axle assembly
• Noise related to worn differential service components
• Service needs on 10.5 inch ring gear rear axles
• Rebuild work on heavy-duty Chevrolet and GMC driveline assemblies

Installation Notes

Verify the axle configuration before ordering, including the 10.5 inch ring gear and automatic transmission output shaft bearing requirement. Match the vehicle application exactly to the listed fitment for Chevrolet Silverado, GMC Sierra, Chevrolet Express, and related models. Professional installation is recommended for differential service because bearing setup and seal placement affect final operation.

Quality Assurance

Timken supplies differential, transfer case, and transmission kits through its DT Components line. DRK325B is a rebuild kit format that includes the bearings and seals needed for the repair, and it cross-references RA325B and SDK325B for the same application.