SKF 18168A Differential Pinion Seal - Front

SKF 18168A Differential Pinion Seal for Toyota and Lexus

SKF 18168A is a differential pinion seal built for front axle service on select Toyota and Lexus applications. It is specified with a polyacrylate sealing surface and precise dimensions to help maintain a proper seal at the pinion shaft.

Key Features

• Part number: 18168A
• Category: differential pinion seal for driveline and axle sealing service
• Sealing surface type: polyacrylate
• Width: 0.433 in.
• Outside diameter: 3.593 in.
• Shaft diameter: 1.811 in.
• Fits front differential applications on Toyota Sequoia, Toyota Tundra, Toyota Land Cruiser, and Lexus LX570

Detailed Description

SKF 18168A is engineered for front differential pinion sealing where lubricant retention and contamination control are critical. SKF has a long history in seal design and uses premium materials and application-specific construction to support proper sealing performance in demanding driveline environments. This seal is listed for 2007-2021 Toyota Tundra front, 2008-2021 Toyota Sequoia front, 2008-2011 Toyota Land Cruiser front with 9.00" ring gear, 2013-2015 Toyota Land Cruiser front with 9.00" ring gear, 2008-2011 Lexus LX570 front, and 2013 Lexus LX570 front.

This part cross-references OE number 9031146006 for the same application. The SKF 18168A is a direct-fit service part for front pinion seal replacement on Toyota Tundra, Toyota Sequoia, Toyota Land Cruiser, and Lexus LX570 driveline repairs.

Common Repair Uses

• Front differential pinion seal leak repair
• Gear oil seepage at the pinion shaft
• Contamination entering the front differential housing
• Seal wear from age, heat, or driveline mileage
• Service replacement during differential maintenance

Installation Notes and Tips

Confirm axle and ring gear configuration before installation, especially on Toyota Land Cruiser and Toyota Sequoia applications with 9.00" ring gear notes. Inspect the pinion shaft surface for wear, scoring, or corrosion before installing the new seal. Clean the sealing area thoroughly and verify the seal is seated squarely to help prevent leaks after service.

Quality Assurance

SKF manufactures seals to defined specifications using materials selected for the application and operating environment. The brand’s seal engineering background and long-running OE and aftermarket presence support consistent fit and sealing performance for driveline service.