SKF 18581 Engine Timing Cover Seal

SKF 18581 Engine Timing Cover Seal

The SKF 18581 engine timing cover seal is built for precise sealing performance in classic Oldsmobile applications. With a nitrile sealing surface and dimensions matched to the shaft and housing, it helps maintain proper oil control in the timing cover area.

Key Features

• Brand: SKF
• Part number: 18581
• Engine timing cover seal for gasket and sealing system service
• Nitrile sealing surface for oil-resistant sealing performance
• Outside diameter: 2.627 in.
• Width: 0.313 in.
• Shaft diameter: 1.875 in.
• Engineered to meet specific design and material requirements for the application

Detailed Description

SKF has a long history in seal design and manufacturing, and the 18581 timing cover seal reflects that experience with application-specific construction and premium materials. This seal is made to help keep lubricants in place and contaminants out of the timing cover area, supporting reliable engine sealing in Oldsmobile 88, Oldsmobile 98, and Oldsmobile Starfire models. If you are sourcing an SKF 18581 replacement for a classic Oldsmobile engine sealing repair, this part provides the dimensional and material details needed for a proper match.

This part cross-references 21X12101A and 63374 for the same application.

Vehicle Fitment

• Fits 1950-1962 Oldsmobile 98, N/A
• Fits 1961-1962 Oldsmobile Starfire, N/A
• Fits 1954-1957 Oldsmobile Starfire, N/A
• Fits 1954-1957 Oldsmobile 88, N/A
• Fits 1950 Oldsmobile 88, N/A

What It Helps Solve

• Oil seepage at the timing cover seal area
• Contamination entering the engine sealing interface
• Wear-related sealing loss from an aged or hardened seal
• Leak concerns during timing cover service on classic Oldsmobile engines

Installation Notes and Tips

Confirm shaft diameter, outside diameter, and width before installation to ensure the seal matches the housing and shaft dimensions. Inspect the sealing surface and surrounding timing cover components for wear, scoring, or debris before fitting the new seal. Clean the sealing area thoroughly so the nitrile lip can seat evenly and maintain consistent contact.

Quality Assurance

SKF designs and manufactures seals to specific application requirements using premium materials and controlled production standards. The brand’s seal engineering heritage dates back to the first integrated shaft seal in 1928, and SKF products are built to support long service life and dependable sealing performance.