Elring 784.560 Engine Oil Pump Seal

Engine Oil Pump Seal for GM V8 Applications

Elring 784.560 is an engine oil pump seal built as an FPM O-ring with precise dimensions for a secure sealing interface. With a 20 mm inner diameter, 24 mm outer diameter, and 2 mm thickness, it is specified for GM truck and van applications where dependable oil control matters.

Compatible with Chevrolet Express 2500, Chevrolet Silverado 2500 HD, GMC Savana 2500, and GMC Sierra 2500 HD applications, this seal supports clean engine operation in high-mileage work vehicles. Elring 784.560 is also referenced by part numbers 16527400 and 94011609 for the same application.

Key Features

• Elring part number 784.560
• Engine oil pump seal in O-ring shape
• FPM (fluoride rubber) construction for sealing performance
• 20 mm inner diameter, 24 mm outer diameter, 2 mm thickness
• Designed for Chevrolet and GMC truck and van fitments
• Cross-references 16527400 and 94011609

Detailed Description

This Elring oil pump seal is a precision sealing component used in engine gasket and sealing system service. Its FPM material is selected for resistance in demanding engine environments, while the O-ring profile and exact sizing help maintain a consistent seal at the oil pump interface. For Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, and GMC Sierra 3500 HD models, the correct seal dimensions are important for maintaining oil system integrity.

Elring 784.560 is a direct-fit sealing solution for a wide range of GM applications from 2001 through 2016, including Chevrolet Express 3500 and GMC Savana 3500. It is also used on Chevrolet Silverado 3500, GMC Sierra 3500, and 2007 Classic HD truck variants where the listed seal specification applies.

What This Seal Helps Address

• Oil seepage at the oil pump sealing surface
• Loss of sealing integrity from aged or hardened rubber
• Engine oil leaks during gasket and seal service
• Improper sealing caused by worn or incorrect-size O-rings
• Maintenance needs on GM trucks and vans with oil pump service

Installation Notes and Tips

Confirm the seal dimensions before installation: 20 mm inner diameter, 24 mm outer diameter, and 2 mm thickness. Inspect the oil pump groove and mating surfaces for debris, scoring, or old seal residue before fitting the new O-ring. Use clean engine oil during assembly to help seat the seal evenly and avoid twisting during installation.

Fits 2006-2016 Chevrolet Express 2500, N/A; Fits 2006-2016 Chevrolet Express 3500, N/A; Fits 2001-2016 Chevrolet Silverado 2500 HD, N/A; Fits 2007-2016 Chevrolet Silverado 3500 HD, N/A; Fits 2006-2016 GMC Savana 2500, N/A; Fits 2006-2016 GMC Savana 3500, N/A; Fits 2001-2016 GMC Sierra 2500 HD, N/A; Fits 2007-2016 GMC Sierra 3500 HD, N/A; Fits 2007 Chevrolet Silverado 2500 HD Classic, N/A; Fits 2007 Chevrolet Silverado 3500 Classic, N/A; Fits 2007 GMC Sierra 2500 HD Classic, N/A; Fits 2007 GMC Sierra 3500 Classic, N/A; Fits 2001-2006 Chevrolet Silverado 3500, N/A; Fits 2001-2006 GMC Sierra 3500, N/A.

Quality Assurance

Elring is known for engine sealing components used in gasket and seal service, and this part is manufactured to match the listed dimensions and application references for GM oil pump sealing needs.