AP Exhaust 8457 Exhaust Pipe Flange Gasket - Left or Right

AP Exhaust 8457 Exhaust Pipe Flange Gasket Overview

The AP Exhaust 8457 exhaust pipe flange gasket is designed to provide a reliable seal for exhaust systems on select Chevrolet, Ford, GMC, and Hummer vehicles. Engineered with precise dimensions, this gasket ensures a secure fit and helps maintain exhaust system integrity.

• Inside diameter: 2-29/32 inches for accurate pipe fitment
• Thickness: 11/64 inches to withstand exhaust pressure and temperature
• Compatible with multiple Chevrolet, Ford, GMC, and Hummer models
• Part number 8457 for easy identification and replacement

Detailed Product Description and Specifications

This exhaust pipe flange gasket from AP Exhaust features an inside diameter of 2-29/32 inches, making it suitable for exhaust pipes requiring this specific size. The 11/64 inch thickness provides a durable sealing surface that resists leaks caused by vibration and thermal expansion. The gasket is engineered to fit a range of vehicles including Chevrolet Silverado 1500, 2500 HD, and 3500 HD models, GMC Sierra 1500 through 3500 Classic, Ford Taurus X, and Hummer H2, among others. Using part number 8457 ensures compatibility and proper fitment when replacing worn or damaged exhaust pipe flange gaskets.

Compatible Vehicles and Applications

This gasket is compatible with the following makes and models:

• Chevrolet Express 1500 and 2500
• Chevrolet Silverado 1500, 2500 HD, 2500 HD Classic, 3500 Classic, and 3500 HD
• GMC Sierra 1500, 2500 HD, 2500 HD Classic, 3500 Classic, and 3500 HD
• GMC Savana 1500 and 2500
• Hummer H2
• Ford Taurus X
• Chevrolet Tahoe, Yukon, and Yukon XL

Common Issues Addressed by the AP Exhaust 8457 Gasket

• Exhaust leaks at pipe flange connections
• Noise caused by escaping exhaust gases
• Reduced engine performance due to exhaust system leaks
• Corrosion or damage to existing gaskets
• Vibration-related gasket failure

Installation Notes and Tips

• Ensure mating surfaces are clean and free of debris before installation
• Use the correct torque specifications for flange bolts to avoid gasket damage
• Inspect exhaust pipes and flanges for damage prior to gasket replacement
• Replace any rusted or damaged hardware during installation

Quality Assurance and Warranty Information

AP Exhaust manufactures this gasket to meet industry standards for durability and fitment. While specific warranty details for part number 8457 are not provided, AP Exhaust products typically undergo quality control to ensure reliable performance in exhaust sealing applications.