Timken DRK321A Axle Differential Bearing and Seal Kit - Front

Timken DRK321A Differential Bearing Kit

Timken DRK321A is an axle differential bearing and seal kit for front driveline service on select GM trucks and SUVs. It is built for differential rebuild work where the bearings and seals need to be replaced during teardown.

• Axle differential bearing and seal kit for front driveline service
• For 8.25 in. ring gear differential bearings
• Also suitable for manual transmission countershaft bearing applications noted by the manufacturer
• Timken DT Components rebuild kit for differential, transfer case, and transmission service
• Cross-references Timken DK321A and RA321A for the same application

Application Details

Compatible With 1988-1997 Chevrolet K1500, front; 1992-1997 Chevrolet K1500 Suburban, front; 1995-1997 Chevrolet Tahoe, front; 1988-1997 GMC K1500, front; 1992-1997 GMC K1500 Suburban, front; 1992-1997 GMC Yukon, front; 1988-1994 Chevrolet Blazer, front; 1989-1991 Chevrolet V1500 Suburban, front; 1988-1991 GMC Jimmy, front; and 1988-1991 GMC V1500 Suburban, front. This Timken DRK321A kit is a direct service option for front differential rebuilds on Chevrolet K1500 and GMC K1500 platforms with the specified 8.25 in. ring gear differential bearings.

What It Helps Repair

• Front differential bearing noise
• Seal leakage at the axle or differential service area
• Wear found during differential teardown and rebuild
• Service needs on GM front driveline assemblies using 8.25 in. ring gear bearings

Installation Notes

Verify axle and differential specifications before ordering, including ring gear size and front position. Compare the removed bearings and seals to the kit contents during disassembly, and inspect related components for wear before reassembly. Timken DRK321A is intended for professional driveline service where precise bearing setup and seal installation are required.

Quality Assurance

Timken markets DT Components rebuild kits for differential, transfer case, and transmission service. These kits are assembled to provide the bearings and seals needed for the repair, with standard and master kit versions available in the line.