AP Exhaust 8403 Exhaust Pipe Flange Gasket

AP Exhaust 8403 Exhaust Pipe Flange Gasket Overview

The AP Exhaust 8403 exhaust pipe flange gasket is designed for reliable sealing in exhaust systems of select GM vehicles. Engineered to meet precise specifications, this gasket ensures a secure fit for Chevrolet, Pontiac, and Saturn models including the Cobalt, G5, HHR, Ion, and Pursuit.

• Three bolt hole design for secure flange connection
• Bolt-to-bolt length of 4-15/32 inches for accurate fitment
• Inside diameter of 3-9/32 inches to match exhaust pipe dimensions
• Compatible with Chevrolet Cobalt, Pontiac G5, Saturn Ion, HHR, and Pursuit
• Part number 8403 for easy identification and replacement

Technical Specifications and Fitment Details

This exhaust pipe flange gasket features a three-bolt hole configuration, providing a stable and leak-resistant seal between exhaust components. The bolt-to-bolt length measures 4-15/32 inches, ensuring proper alignment with the exhaust flange bolts. The inside diameter of 3-9/32 inches matches the exhaust pipe size for a tight seal, preventing exhaust leaks and maintaining system integrity. This gasket is specifically compatible with Chevrolet Cobalt, Pontiac G5, Saturn Ion, HHR, and Pursuit models, making it a precise replacement part for these vehicles. The AP Exhaust 8403 gasket is engineered to meet OEM standards for durability and fit.

Common Applications and Problem Solving

• Seals exhaust pipe flanges to prevent exhaust leaks
• Eliminates noise caused by escaping exhaust gases
• Prevents harmful fumes from entering the vehicle cabin
• Maintains proper exhaust system backpressure for engine performance
• Replaces worn or damaged gaskets during exhaust repairs or upgrades

Installation Notes and Tips

When installing the AP Exhaust 8403 gasket, ensure the mating flange surfaces are clean and free of debris or corrosion. Align the gasket carefully with the three bolt holes and the exhaust pipe opening to avoid misalignment. Tighten bolts evenly in a crisscross pattern to achieve a uniform seal. It is recommended to inspect the exhaust flange and bolts for damage or wear and replace if necessary to maintain a secure connection.

Quality Assurance and Warranty Information

AP Exhaust manufactures the 8403 exhaust pipe flange gasket to meet industry standards for fit and function. While specific warranty details are not provided, AP Exhaust products are designed to offer reliable performance in exhaust sealing applications. Using the correct part number 8403 ensures compatibility and helps maintain the integrity of the exhaust system on Chevrolet Cobalt, Pontiac G5, and Saturn models.