Dorman 674-9060 Exhaust Pipe Flange Gasket

Overview of Dorman Exhaust Pipe Flange Gasket 674-9060

The Dorman 674-9060 exhaust pipe flange gasket is designed to provide a reliable seal for exhaust systems on select Chevrolet and GMC trucks and vans. This silver, square-shaped gasket ensures proper exhaust flow and prevents leaks in heavy-duty applications.

• Material: MBG-D composite for durability and heat resistance
• Color: Silver finish for corrosion resistance
• Inside Diameter: 92 mm to fit specific exhaust pipe sizes
• Thickness: 1.8 mm for optimal sealing performance
• Bolt Hole Quantity: 4 holes for secure flange attachment
• Type: Square gasket, one-piece configuration
• Grade Type: Regular grade suitable for standard exhaust systems
• Package Contents: Includes 2 gaskets for dual replacement needs

Detailed Product Description

The Dorman 674-9060 exhaust pipe flange gasket is engineered to meet the sealing requirements of exhaust systems on Chevrolet Express 2500 and 3500, GMC Savana 2500 and 3500, as well as various Sierra and Silverado 2500 and 3500 HD models. Constructed from MBG-D material, this gasket offers resistance to high temperatures and exhaust gases, maintaining a tight seal between exhaust pipe flanges. The 92 mm inside diameter and 1.8 mm thickness are designed to match OEM specifications, ensuring proper fit and function. The silver color finish helps resist corrosion, extending the gasket's service life. With four bolt holes and a square shape, this one-piece gasket provides a secure and reliable connection in the exhaust system.

Compatible Vehicles and Applications

• Chevrolet Express 2500 and Express 3500
• GMC Savana 2500 and Savana 3500
• GMC Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500, Sierra 3500 Classic, Sierra 3500 HD
• Chevrolet Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500, Silverado 3500 Classic, Silverado 3500 HD

Common Issues Addressed by This Gasket

• Exhaust leaks caused by worn or damaged flange gaskets
• Noise and fumes escaping from exhaust pipe connections
• Reduced engine performance due to exhaust system leaks
• Corrosion-related gasket failure in heavy-duty trucks and vans
• Difficulty maintaining proper exhaust backpressure

Installation Notes and Tips

When installing the Dorman 674-9060 exhaust pipe flange gasket, ensure the mating surfaces are clean and free of debris or old gasket material. Align the gasket carefully with the four bolt holes to avoid misalignment. Use the correct torque specifications for the flange bolts to prevent leaks and gasket damage. It is recommended to replace both gaskets included in the package if dual flange connections require servicing.

Quality Assurance and Warranty

Dorman exhaust pipe flange gaskets are manufactured to meet or exceed OEM standards for fit, form, and function. The 674-9060 gasket undergoes quality control inspections to ensure durability and reliable sealing performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship.