Walker 31688 Exhaust Pipe Flange Gasket

Walker Exhaust Pipe Flange Gasket Overview

The Walker 31688 exhaust pipe flange gasket is engineered for reliable sealing in exhaust systems of select Chevrolet, INFINITI, and Nissan vehicles. Designed to maintain a secure connection between exhaust pipes, this gasket supports proper exhaust flow and reduces leaks in models like the Nissan 350Z and Chevrolet Spark.

• 3-bolt gasket type for secure flange connection
• Constructed from perforated metal with fiber core and metal fire ring
• Thickness of 0.051 inches for optimal sealing
• Bolt hole diameters of 0.5 inches with bolt hole centers measuring 2.75 and 3 inches
• Port dimensions: 2.250 inches length and width

Detailed Product Description

The Walker 31688 exhaust pipe flange gasket features a durable construction combining perforated metal with a fiber core and a metal fire ring to withstand high temperatures and exhaust system pressures. Its 3-bolt design ensures a tight and consistent seal between exhaust pipe flanges, minimizing the risk of exhaust leaks. The gasket’s thickness of 0.051 inches balances flexibility and durability, while the precise bolt hole spacing (2.75 and 3 inches center to center) and 0.5-inch bolt hole diameter provide compatibility with specific exhaust flange configurations.

This gasket is compatible with a range of Chevrolet, INFINITI, and Nissan vehicles, including Nissan 350Z, 370Z, FX35, G35, G37, M35, M37, Q40, Q50, Q60, Q70, Q70L, QX70, and Chevrolet Spark models. The port size of 2.250 inches by 2.250 inches matches the exhaust pipe dimensions for a proper fit and seal.

Common Applications and Issues Addressed

• Sealing exhaust pipe flanges to prevent exhaust leaks
• Reducing noise caused by escaping exhaust gases
• Preventing corrosion and damage at flange connections
• Maintaining proper exhaust system pressure and flow
• Replacing worn or damaged exhaust gaskets in Nissan 350Z and Chevrolet Spark exhaust systems

Installation Notes and Tips

• Ensure mating flange surfaces are clean and free of debris before installation
• Use the correct torque specifications for the 3-bolt flange to avoid gasket damage
• Inspect bolts and flange condition; replace any damaged hardware
• Verify bolt hole alignment with the 2.75 and 3 inch center-to-center measurements
• Check for exhaust leaks after installation and retighten bolts if necessary

Quality Assurance and Warranty

Walker exhaust gaskets are manufactured to meet OEM specifications for durability and performance. The 31688 gasket is constructed with high-quality materials designed to resist heat and corrosion in demanding exhaust environments. While specific warranty details may vary, Walker products typically come with a limited warranty against defects in material and workmanship to ensure reliability in Chevrolet, INFINITI, and Nissan exhaust applications.