SKF 18491 Drive Axle Shaft Seal - Front Left or Front Right

SKF Front Left Axle Shaft Seal

The SKF 18491 axle shaft seal is a front left drive axle shaft seal for select Lexus and Toyota applications. Built with a nitrile sealing surface, it is specified to help retain lubricant at the axle and keep road contaminants out of the driveline.

SKF has a long history in seal engineering, and this part reflects that focus with application-specific dimensions and materials for the front axle environment. It is a direct-fit style seal for vehicles such as the Toyota Tacoma, Toyota 4Runner, Toyota Tundra, Toyota Land Cruiser, Toyota Sequoia, Lexus GX460, Lexus GX470, Lexus LX470, Lexus LX570, and Toyota FJ Cruiser.

Key Features

• Front left drive axle shaft seal for select Toyota and Lexus vehicles
• Nitrile sealing surface for dependable fluid sealing performance
• SKF part number 18491 for easy identification
• Outside diameter: 2.726 in.
• Shaft diameter: 1.850 in.
• Width: 0.394 in.
• Cross-reference part numbers: 9031147011, TOY90311-470

Detailed Description

SKF 18491 is engineered as a drive axle shaft seal for the front left position on a wide range of Toyota and Lexus 4WD and SUV platforms. The seal dimensions and nitrile sealing surface are selected to match the axle interface and operating environment, helping maintain proper lubrication at the shaft while limiting contamination from water, dirt, and debris. This makes it a practical replacement for front axle service on vehicles including the Toyota Tacoma, 4Runner, Tundra, Sequoia, Land Cruiser, and Lexus GX and LX models.

SKF’s seal design background is reflected in the material selection and application-specific sizing of this part. If you are searching for a front left axle shaft seal for a 2017-2023 Lexus GX460, 2010-2012 Toyota Tacoma, or 1998-2007 Toyota Land Cruiser, SKF 18491 is the relevant OE-style service part to verify against your vehicle’s axle configuration.

What It Helps Address

• Gear oil seepage at the front axle shaft
• Contamination entering the axle housing
• Seal wear from age, heat, and mileage
• Fluid loss that can affect driveline lubrication
• Service replacement for leaking front left axle seals

Installation Notes and Tips

Confirm the front left position and compare the seal dimensions before installation. Inspect the axle shaft surface, housing bore, and surrounding components for wear or damage that could affect sealing. Clean the sealing area thoroughly and verify the replacement matches your vehicle’s year, make, model, and axle configuration before assembly.

Compatible With front left applications on 2017-2023 Lexus GX460, 2017-2021 Lexus LX570, 2010-2016 Lexus GX460, 2013-2016 Lexus LX570, 2008-2011 Lexus LX570, 2010-2012 Toyota Tacoma, 1995-2004 Toyota Tacoma, 2008-2011 Toyota FJ Cruiser, 2003-2009 Lexus GX470, 1996-2008 Toyota 4Runner, 2002-2007 Lexus LX470, 1998-2007 Toyota Land Cruiser, 2001-2007 Toyota Sequoia, and 2000-2007 Toyota Tundra.

Quality Assurance

SKF designs and manufactures seals to specific application requirements using premium materials and established sealing technology. The brand’s long-running seal engineering experience supports consistent fit and function for driveline service work.