DT Components DRK4422 Differential Rebuild Kit

Description:

The DT Components DRK4422 is a premium differential rebuild kit designed to provide the bearings, seals, and related service components required for a complete differential overhaul in compatible axle assemblies. Manufactured under the DT Components brand, which utilizes Timken® bearings in its rebuild kits, the DRK4422 is engineered to restore differential performance, ensure proper gear alignment, and extend drivetrain service life. It is widely used by fleet maintenance facilities, transmission and differential rebuild shops, heavy-duty truck service centers, and OEM repair operations for overhaul, replacement, and preventive maintenance of commercial vehicle differentials.

Applications:

The DT Components DRK4422 differential kit is intended for rebuilding compatible heavy-duty differential assemblies by replacing worn bearings, seals, and associated service components. The kit helps restore bearing preload, maintain proper gear mesh, reduce drivetrain noise, and improve reliability after differential service. Typical applications include heavy-duty trucks, vocational vehicles, commercial fleets, construction equipment, and other drivetrain systems requiring complete differential bearing and seal replacement.

Technical Specifications:

• Manufacturer Part Number (MPN): DRK4422
• Manufacturer: DT Components
• Product Type: Differential Rebuild Kit
• Kit Type: Standard Differential Bearing and Seal Kit
• Bearing Brand: Timken® Bearings (where applicable)
• Includes: Differential Bearings, Pinion Bearings, Pinion Seal, Crush Sleeve (where applicable), Pinion Nut, Gear Marking Compound, Threadlocker, Gasket/Sealer (contents vary by application)
• Bearing Type: Tapered Roller Bearings
• Seal Type: Differential Pinion Oil Seal
• Application: Heavy-Duty Differential Rebuild
• Design Units: Imperial/Metric (application dependent)
• Installation Purpose: Differential Overhaul and Bearing Replacement
• Compatible Equipment: Heavy-duty truck and commercial vehicle differential assemblies (application-specific)
• Typical Applications: Commercial trucks, fleet vehicles, construction equipment, vocational trucks, and drivetrain overhaul operations.

Common Replacements:

• DT Components DRK4422MK Master Differential Kit
• Meritor Equivalent Differential Rebuild Kit (application dependent)
• Spicer Differential Bearing and Seal Kit (application dependent)