Rebuild a tired front differential with the Timken Axle Differential Bearing and Seal Kit DRK321A, which brings the bearings, seal and other components for the job together in one kit. It is cataloged for the front differential of many vehicles, among them the 1988-1997 Chevrolet K1500, 1995-1997 Chevrolet Tahoe and 1992-1997 GMC Yukon; see the "Vehicles it fits" section for the full list.
Differential bearings support the gears as they turn, and the seal keeps differential fluid in. Signs these parts may need replacing include a whine, growl or rumble from the front differential that changes with vehicle speed, or fluid seeping around the seal. Diagnose the cause before replacing parts. The listed applications use one kit.
Interchange: RA321A · DK321A · SDK321A
This part cross-references / interchanges with the following part numbers:
Is this kit for the front or rear differential?
DRK321A is cataloged for the front differential on the listed applications, including the 1988-1997 Chevrolet K1500 and 1995-1997 Chevrolet Tahoe. See the "Vehicles it fits" section for the full list.
What comes in the Timken DRK321A kit?
It contains the bearings, seal and other components needed to rebuild the differential. Timken markets these kits under its DT Components brand.
Is DRK321A a standard kit or a master kit?
DT Components kits come in standard and master versions, and master kits carry an MK suffix. DRK321A does not carry that suffix.
What are signs the differential bearings or seal may need replacing?
A whine, growl or rumble from the differential that changes with speed, or fluid seeping at the seal, may indicate worn bearings or a failed seal. Diagnose the cause before replacing parts.
How many kits do I need?
The listed applications use one kit per vehicle, so a single DRK321A covers the front differential rebuild.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
