SKF 17765A Engine Timing Cover Seal

Engine Timing Cover Seal for GM Applications

SKF 17765A is an engine timing cover seal built for specific GM vehicle applications that need reliable oil control at the timing cover. With a LongLife sealing surface and precision dimensions, it is designed to maintain a consistent seal where the shaft and cover interface meet.

Use this SKF timing cover seal when servicing vehicles such as the Chevrolet Silverado 1500, GMC Sierra 1500, and Chevrolet Express 1500. Part number 17765A is engineered with premium materials and SKF’s seal design experience to support long service life in demanding engine environments.

Key Features

• Engine timing cover seal for the timing cover sealing area
• LongLife sealing surface type for durable sealing performance
• Outside diameter: 2.425 in.
• Shaft diameter: 1.779 in.
• Width: 0.374 in.
• SKF part number 17765A
• Cross-reference: 10128316

Detailed Description

SKF has a long history in seal engineering, beginning with the first integrated shaft seal in 1928. The 17765A timing cover seal reflects that experience with a design focused on correct fit, material selection, and sealing performance for the application. It is made to help maintain lubricant retention while keeping contaminants out of the engine.

Compatible With 1999-2013 Chevrolet Silverado 1500, 1999-2013 GMC Sierra 1500, 1996-2014 Chevrolet Express 1500, and other listed GM models across the 1977-2014 range. This part number 17765A is also listed for vehicles including Chevrolet Impala, Buick Lucerne, Pontiac G6, and GMC Savana 1500, depending on engine and configuration details shown in the fitment data.

What It Helps Address

• Oil seepage at the timing cover sealing surface
• Contamination entering the engine through a worn seal
• Loss of sealing integrity from age, heat, and mileage
• Service issues caused by a damaged or hardened original seal
• Fitment concerns when replacing the timing cover seal on listed GM vehicles

Installation Notes and Tips

Verify the shaft diameter, outside diameter, and application notes before installation. Some listed vehicles include notes such as 61.3mm O.D. or Vortec engine references, so confirm the exact engine configuration before ordering. Clean the sealing surfaces thoroughly and inspect the timing cover and shaft for wear or scoring before installing the new seal.

For fitment examples, this seal fits 1999-2013 Chevrolet Silverado 1500, 1996-2014 Chevrolet Express 1500, and 1999-2013 GMC Sierra 1500, with additional coverage across many Chevrolet, GMC, Buick, Pontiac, Oldsmobile, Cadillac, Saturn, and Isuzu models listed in the fitment table.

Quality Assurance

SKF designs and manufactures seals to specific application requirements using premium materials and controlled production standards. The result is a timing cover seal intended to deliver consistent sealing performance and long service life in engine service.