Fel-Pro 61694 Exhaust Pipe Flange Gasket

Fel-Pro Exhaust Pipe Flange Gasket 61694

Fel-Pro 61694 is a premium exhaust pipe flange gasket built for a precise seal at the exhaust connection. It uses application-specific materials to help maintain sealing performance on supported Chevrolet and GMC trucks and vans, including Silverado 2500 HD, Sierra 3500 HD, Express 3500, and Savana 2500 applications.

Key Features

• Premium-grade exhaust pipe flange gasket for exhaust sealing service
• Inside diameter: 2.540 in. / 64.5 mm
• Outside diameter: 3.435 in. / 87.2 mm
• Thickness: 1.035 in. / 26.2 mm
• Application-specific sealing material for a vehicle-matched fit
• Cross-references MAHLE F32246 and OE part number 20987829

Detailed Description

Fel-Pro 61694 is an exhaust pipe flange gasket engineered for direct-fit sealing at the exhaust joint. The gasket dimensions are sized for the application, with a 2.540-inch inside diameter, 3.435-inch outside diameter, and 1.035-inch thickness to support a proper seal where the exhaust pipe flange meets the adjoining component. This part number is used across a wide range of Chevrolet and GMC platforms, including 2007-2022 Chevrolet Silverado 2500 HD and Silverado 3500 HD, 2007-2022 GMC Sierra 2500 HD and Sierra 3500 HD, plus 2008-2023 Chevrolet Express 2500 and Express 3500 and 2008-2023 GMC Savana 2500 and Savana 3500. It also fits 2017 Chevrolet Suburban 3500 HD. Fel-Pro 61694 is a practical choice when replacing a worn exhaust flange seal on these vehicles.

Vehicle Fitment

• Fits 2008-2023 Chevrolet Express 2500, N/A
• Fits 2008-2023 Chevrolet Express 3500, N/A
• Fits 2008-2023 GMC Savana 2500, N/A
• Fits 2008-2023 GMC Savana 3500, N/A
• Fits 2007-2022 Chevrolet Silverado 2500 HD, N/A
• Fits 2007-2022 Chevrolet Silverado 3500 HD, N/A
• Fits 2007-2022 GMC Sierra 2500 HD, N/A
• Fits 2007-2022 GMC Sierra 3500 HD, N/A
• Fits 2017 Chevrolet Suburban 3500 HD, N/A

What It Helps Address

• Exhaust leaks at the flange connection
• Noise from a failing exhaust joint seal
• Soot or residue around the exhaust mating surface
• Loss of sealing performance after gasket wear or heat cycling
• Service replacement for the listed Chevrolet and GMC exhaust applications

Installation Notes and Tips

Confirm the flange dimensions and vehicle application before installation. Clean both sealing surfaces thoroughly so the gasket can seat evenly, and inspect the flange for warping, corrosion, or damage that could affect sealing. Use the correct exhaust service procedure for the vehicle and verify the joint after startup.

Quality Assurance

Fel-Pro gaskets are built around application-specific sealing materials and are used in professional repair environments for exhaust sealing service. Part number 61694 is a premium-grade replacement designed for the listed Chevrolet and GMC applications.