Dorman 674-9060 Exhaust Pipe Flange Gasket

Dorman 674-9060 Exhaust Flange Gasket

Dorman 674-9060 is a direct-replacement exhaust pipe flange gasket for sealing the exhaust system where two flanged components join. It is built to match the original design for a precise fit on select Chevrolet Express, Silverado, GMC Savana, and Sierra applications.

Key Features

• Direct-replacement exhaust flange gasket for OE-style fitment
• Square gasket design with one-piece configuration
• 92 mm inside diameter and 1.8 mm thickness
• 4-bolt hole layout for flange-mounted exhaust connections
• Silver MBG-D material construction
• Fits select 2001-2014 Chevrolet Silverado 2500 HD, Silverado 3500 HD, and related GMC applications

Detailed Description

This exhaust pipe flange gasket is used at the joint between two exhaust components to help maintain a sealed connection and reduce leakage at the flange. Dorman 674-9060 follows the original gasket design for the listed vehicles, making it a practical replacement when the factory gasket is worn, damaged, or no longer sealing properly. It is a fitment-based solution for owners servicing Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, and GMC Sierra 3500 HD exhaust connections, as well as Chevrolet Express and GMC Savana van platforms. This part cross-references Cardone New 6D-18000K for the same application.

What It Helps Address

• Exhaust leaks at a flange connection
• Noise from a failing exhaust seal
• Soot or residue around the exhaust joint
• Loss of sealing performance after gasket wear
• Service replacement for damaged flange gasket surfaces

Installation Notes and Tips

Install at the exhaust flange joint specified by the vehicle application and verify the flange surfaces are clean, flat, and free of debris before assembly. Confirm bolt-hole alignment and gasket orientation before tightening the flange fasteners evenly to maintain a uniform seal. For fitment, use the vehicle listing carefully: Fits 2006-2014 Chevrolet Express 2500, N/A; Fits 2006-2014 Chevrolet Express 3500, N/A; Fits 2001-2014 Chevrolet Silverado 2500 HD, N/A; Fits 2007-2014 Chevrolet Silverado 3500 HD, N/A; Fits 2006-2014 GMC Savana 2500, N/A; Fits 2006-2014 GMC Savana 3500, N/A; Fits 2001-2014 GMC Sierra 2500 HD, N/A; Fits 2007-2014 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; Fits 2004 Chevrolet Silverado 3500, N/A, Engine Desg. LMM.

Quality Assurance

Dorman manufactures direct-replacement parts engineered to match original design requirements for the listed applications. Part number 674-9060 is specified for select 2001-2014 Chevrolet and GMC exhaust flange connections, including Silverado, Sierra, Express, and Savana models.