Walker 31638 Exhaust Pipe Flange Gasket - Front Converter To Rear Converter or Y-Pipe To Converter

Overview of Walker Exhaust Pipe Flange Gasket 31638

The Walker 31638 exhaust pipe flange gasket is engineered for reliable sealing in exhaust systems of select Chevrolet, Ford, and GMC vehicles. Designed with high temperature graphite material, this 3-bolt gasket ensures a secure fit and effective exhaust gas containment.

• High temperature graphite construction for durability and heat resistance
• 3-bolt gasket type with bolt hole diameter of 0.5 inches
• Bolt hole center-to-center spacing of 3.875 inches for precise fitment
• Port dimensions: 3 inches length by 3 inches width
• Thickness of 0.051 inches for optimal sealing performance

Detailed Product Description

The Walker 31638 exhaust pipe flange gasket is specifically designed to meet the sealing requirements of exhaust systems in Chevrolet Canyon and Colorado models, Ford E-150, E-250, E-350 series, Excursion, F-250 Super Duty, F-350 Super Duty, and GMC Canyon and Sierra trucks. Constructed from high temperature graphite, this gasket withstands extreme heat and pressure, maintaining a tight seal between exhaust pipe flanges. The 3-bolt design with a 0.5-inch bolt hole diameter and 3.875-inch bolt hole center-to-center spacing ensures compatibility with factory exhaust flanges. The 3 by 3 inch port size and 0.051-inch thickness provide a balance of durability and flexibility to prevent exhaust leaks and maintain system integrity.

Common Applications and Problem Solving

• Sealing exhaust pipe flanges to prevent exhaust leaks
• Replacing worn or damaged gaskets in Chevrolet, Ford, and GMC exhaust systems
• Eliminating exhaust noise caused by gasket failure
• Maintaining proper exhaust backpressure for engine performance
• Preventing harmful exhaust gases from escaping into the engine bay or cabin

Installation Notes and Tips

• Ensure mating flange surfaces are clean and free of debris before installation
• Verify bolt hole alignment matches the 3-bolt pattern with 3.875-inch spacing
• Use proper torque specifications for flange bolts to avoid gasket damage
• Inspect surrounding exhaust components for wear or damage during replacement

Quality Assurance and Warranty

Walker exhaust gaskets are manufactured to meet industry standards for durability and heat resistance. The 31638 gasket is made from high temperature graphite to provide consistent sealing performance under demanding conditions. While specific warranty details are not provided, Walker products are known for their adherence to quality manufacturing processes and material standards.