Elring 353.760 Fuel Pump Seal

Fuel Pump Seal for GM HD Applications

Elring 353.760 is a fuel pump seal built as an O-ring from FPM (fluoride rubber) for fuel system sealing. With an 89.2 mm inner diameter and 3.5 mm thickness, it is specified for maintaining a secure seal in fuel delivery systems on select Chevrolet Silverado HD, GMC Sierra HD, Express, and Savana applications.

Key Features

• Fuel pump seal, O-ring shape
• FPM (fluoride rubber) construction for fuel system sealing
• 89.2 mm inner diameter and 3.5 mm thickness
• Elring part number 353.760
• Cross-reference: 12638504, 16050700

Detailed Description

Elring 353.760 is a precision fuel pump seal for air and fuel delivery systems. Its FPM material is selected for fuel-contact sealing, while the O-ring profile and measured dimensions help support proper sealing at the pump interface. This part cross-references 12638504 and 16050700 for the same application. It is a direct-fit option for many Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, and GMC Sierra 3500 HD fuel system service jobs, including related Chevrolet Express and GMC Savana van platforms.

Compatible With 2001-2019 Chevrolet Silverado 2500 HD, 2001-2006 Chevrolet Silverado 3500, 2007 Chevrolet Silverado 2500 HD Classic, 2007 Chevrolet Silverado 3500 Classic, 2007-2019 Chevrolet Silverado 3500 HD, 2006-2016 Chevrolet Express 2500, and 2006-2016 Chevrolet Express 3500. Also compatible with 2001-2019 GMC Sierra 2500 HD, 2001-2006 GMC Sierra 3500, 2007 GMC Sierra 2500 HD Classic, 2007 GMC Sierra 3500 Classic, 2007-2019 GMC Sierra 3500 HD, 2006-2016 GMC Savana 2500, and 2006-2016 GMC Savana 3500. Additional coverage includes 2023 Chevrolet Silverado 2500 HD, 2023 GMC Sierra 3500 HD, and 2023 Chevrolet Silverado 3500 HD.

What It Helps Address

• Fuel seepage at the pump seal interface
• Loss of fuel pressure from a worn sealing ring
• Hard starting caused by fuel system leakage
• Fuel odor around the pump area
• Service replacement for damaged or flattened O-rings

Installation Notes and Tips

Verify the inner diameter and thickness before installation to match the original seal. Clean the sealing surfaces thoroughly and inspect the pump housing for wear, nicks, or contamination before fitting the new O-ring. Use the correct fuel-system service procedure for the vehicle and confirm the seal seats evenly without twisting.

Quality Assurance

Elring manufactures sealing components for automotive fuel system service, and this seal is identified by part number 353.760 for accurate ordering and application matching.