Timken DRK351 Axle Differential Bearing and Seal Kit - Front or Rear

Timken DRK351 Differential Bearing Kit

The Timken DRK351 is an axle differential bearing and seal kit for Toyota driveline service. It is built for rear 8-inch ring gear applications on select Toyota 4Runner and Toyota Pickup models, with front 8-inch ring gear coverage for early 4Runner applications.

Key Features

• Axle differential bearing and seal kit for differential rebuild service
• Timken DT Components kit for differential, transfer case, and transmission service applications
• Includes the bearings and seals needed to complete the job
• Standard kit configuration
• Cross-references RA351 and SDK351 for the same application

Fitment Details

• Fits 1988-2000 Toyota 4Runner, rear, 8 in. ring gear; standard
• Fits 1979-1995 Toyota Pickup, rear, 8 in. ring gear; standard
• Fits 1984-1985 Toyota 4Runner, front, 8 in. ring gear

Product Overview

Timken DRK351 is a differential bearing and seal kit for Toyota axle service where the differential needs bearing and seal replacement during rebuild work. It is part of Timken DT Components, a product line used for differential, transfer case, and transmission kits, and it is listed for 1988-2000 Toyota 4Runner rear 8-inch ring gear standard applications, 1979-1995 Toyota Pickup rear 8-inch ring gear standard applications, and 1984-1985 Toyota 4Runner front 8-inch ring gear applications. The DRK351 part number is also referenced as DRK351 in service catalogs and interchange listings may show RA351 or SDK351.

Common Repair Uses

• Replacing worn differential bearings during axle rebuilds
• Addressing gear noise from bearing wear
• Repairing seal leakage at the differential
• Restoring proper differential serviceability after teardown
• Servicing Toyota 4Runner and Toyota Pickup rear axle assemblies

Installation Notes

Verify axle position, ring gear size, and standard versus front application before ordering. Confirm the differential housing and bearing dimensions against the original parts during teardown, and follow factory service procedures for bearing preload, backlash, and seal installation. This kit is intended for professional differential service on compatible Toyota driveline assemblies.

Quality Assurance

Timken markets DT Components rebuild kits with the bearings and seals required for differential, transfer case, and transmission service. The DRK351 follows that kit format for Toyota axle differential repair work.