SKF SDK381-MK Axle Differential Bearing and Seal Kit - Rear

Axle Differential Bearing and Seal Kit for Toyota

SKF SDK381-MK is an axle differential bearing and seal kit built for rear differential service on select Toyota Land Cruiser and Toyota Tundra applications. It is designed around the 11.500 inside diameter and 2.500 width specifications, with DIFF4TP bearing type details for the listed fitments.

For Toyota Land Cruiser and Toyota Tundra rear differential repair, this kit brings together the bearing, seal, and gasket components needed for a complete service. SKF uses matched bearing cones and cups, and the seals are made to SKF standards with Bore-Tite coating for improved sealing performance.

Key Features

• Part number: SDK381-MK
• Axle differential bearing and seal kit for rear service
• Inside diameter: 11.500
• Width: 2.500
• Bearing type: DIFF4TP
• Matched cones and cups included in the bearing set
• Seals use Bore-Tite coating for enhanced sealing performance
• Built for Toyota Land Cruiser rear differential service and Toyota Tundra rear differential service

Detailed Description

SKF SDK381-MK is a service kit for rear axle differential repair on 2007-2011 Toyota Land Cruiser, 2013-2020 Toyota Land Cruiser, and 2007-2020 Toyota Tundra models with a 9.50-inch ring gear. The kit is engineered to support complete differential service by combining premium bearings with seals and applicable gasket materials, helping restore proper bearing support and sealing at the differential assembly. If you are searching for a rear differential bearing and seal kit for Toyota Land Cruiser or Toyota Tundra, SDK381-MK is the listed application.

This part cross-references 91124PW5008 and 8734568 for the same application.

Common Repair Uses

• Rear differential bearing noise
• Oil seepage at the differential seal area
• Wear-related bearing roughness or looseness
• Service replacement during differential rebuilds
• Leak repair on Toyota Land Cruiser and Toyota Tundra rear axle assemblies

Installation Notes and Tips

Confirm the rear axle configuration and 9.50-inch ring gear specification before ordering. During installation, inspect the differential housing, bearing journals, and sealing surfaces for wear or damage, and replace any worn components found during teardown. Proper setup of bearing preload and gear contact pattern is important for a successful differential repair.

Quality Assurance

SKF manufactures these kits to meet or exceed original equipment specifications, with components selected for long service life and dependable sealing performance. The brand’s differential service kits are built for complete repair coverage, reducing the need for repeat follow-up work after installation.