SKF 18000 Automatic Transmission Output Shaft Seal - Left

SKF 18000 Automatic Transmission Output Shaft Seal

SKF 18000 is an automatic transmission output shaft seal built for the left side of select Infiniti and Nissan applications. It uses a polyacrylate sealing surface and precise dimensions to help maintain transmission fluid control at the output shaft.

Key Features

• Automatic transmission output shaft seal for left-side applications
• Polyacrylate sealing surface type for consistent sealing performance
• Width: 0.630 in.
• Outside diameter: 3.558 in.
• Shaft diameter: 1.811 in.
• SKF part number 18000 for direct identification

Application Details

Compatible with 1996-2001 Infiniti I30, left; 1995-1999 Nissan Maxima, left; 1991-1999 Nissan Maxima, left with limited slip differential; and 1993-1998 Nissan Altima, left with limited slip differential and high speed. This SKF 18000 seal is a direct-fit service part for transmission sealing repairs on these vehicles. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What This Seal Helps Address

• Transmission fluid seepage at the output shaft
• Contamination entering the transmission housing
• Seal wear from age, heat, and fluid exposure
• Leak-related fluid loss during normal operation

Installation Notes

Verify shaft diameter, outside diameter, and width before installation to confirm proper seating. Inspect the shaft and surrounding sealing surface for scoring or wear, and replace damaged components as needed. Clean the bore thoroughly and install the seal squarely to avoid distortion or premature leakage.

Quality Assurance

SKF has a long history in seal engineering, including the development of the first integrated shaft seal in 1928. SKF 18000 is manufactured to specific design requirements using premium materials and built to meet high quality standards for long service life and dependable sealing performance.