SKF 18505 Drive Axle Shaft Seal - Rear

SKF 18505 Rear Drive Axle Shaft Seal for Lexus LS400

SKF 18505 is a rear drive axle shaft seal built for the 1990-1997 Lexus LS400. It is specified with a 1.850 shaft diameter, 3.989 outside diameter, and 0.472 width, with a polyacrylate sealing surface type for controlled sealing performance in driveline service.

Key Features

• Fits 1990-1997 Lexus LS400, rear
• SKF part number 18505 for driveline and axle sealing applications
• 1.850 shaft diameter for the intended axle interface
• 3.989 outside diameter for proper housing fit
• 0.472 width for compact seal installation
• Polyacrylate sealing surface type selected for sealing contact in axle service

Detailed Description

This SKF 18505 drive axle shaft seal is engineered for rear axle sealing on the Lexus LS400, helping retain lubricant at the axle shaft while keeping road debris and moisture out of the assembly. SKF has a long history in seal design, including early integrated shaft seal development, and its seals are manufactured to specific designs using premium materials for the application and operating environment. For buyers searching for a rear axle shaft seal for 1990-1997 Lexus LS400 models, SKF 18505 provides the correct dimensional profile and sealing surface type for the job. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Is Used For

• Stopping gear oil seepage at the rear axle shaft
• Reducing contamination from dirt, water, and road debris
• Addressing wet axle housing or seal-area residue
• Replacing a worn seal during rear driveline service
• Restoring proper sealing on a 1990-1997 Lexus LS400 rear axle

Installation Notes and Tips

Confirm the shaft diameter, outside diameter, and width before installation to match the axle housing and shaft dimensions. Inspect the axle shaft surface and seal bore for wear, scoring, or corrosion before fitting the new seal. Clean the sealing area thoroughly and install the seal squarely to avoid distortion or premature leakage. For searches such as rear drive axle shaft seal for Lexus LS400 1990-1997 or SKF 18505 rear axle seal, verify the rear position and vehicle year before ordering.

Quality Assurance

SKF seals are produced to high manufacturing standards and built from application-specific materials to support long service life and dependable sealing performance. SKF’s seal engineering heritage and dimensional precision make this part a direct choice for rear axle sealing service on the Lexus LS400.