Walker 31731 Exhaust Pipe Flange Gasket - Front Converter To Rear Converter

Exhaust Flange Gasket for OE-Style Repair

Walker 31731 is a 3-bolt exhaust pipe flange gasket built for sealing exhaust joints during repair. It uses a perforated metal and fiber laminate construction with a 0.06-inch thickness to help maintain a tight seal at the flange connection.

Use this gasket for exhaust service on applications such as 2011-2016 Chevrolet Cruze, front converter to rear converter, 2016 Chevrolet Cruze Limited, front converter to rear converter, 2012-2016 Chevrolet Sonic, 2013-2018 Buick Encore, and 2015-2019 Chevrolet Trax. Walker 31731 is also a direct cross-reference to Fel-Pro 61676 for the same application.

Key Features

• 3-bolt exhaust pipe flange gasket design
• Perforated metal and fiber laminate material
• 0.06-inch thickness for flange sealing
• Bolt hole center spacing: 2.125 inches and 3.125 inches
• Bolt hole diameter: 0.5 inch
• Port 1 dimensions: 2.125 inches by 2.125 inches
• Built for OE exhaust components and Walker aftermarket replacement parts

Detailed Description

Walker 31731 is an exhaust pipe flange gasket intended for sealing a 3-bolt exhaust connection where the pipe joint must stay tight under heat and vibration. The perforated metal and fiber laminate construction supports a durable seal at the flange interface, while the listed bolt spacing and port dimensions help match the connection geometry used on select Chevrolet, Buick, and GMC-related exhaust service applications. For buyers searching for a 2011-2016 Chevrolet Cruze exhaust flange gasket or a 2013-2018 Buick Encore exhaust pipe flange gasket, this part number provides a direct service replacement option. Walker 31731 also cross-references Fel-Pro 61676.

What It Helps Fix

• Exhaust leaks at a 3-bolt flange connection
• Noise from a leaking front converter to rear converter joint
• Soot or odor escaping from a damaged exhaust seal
• Failed gasket material from heat cycling and vibration
• Service issues during exhaust pipe or converter replacement

Installation Notes and Tips

Confirm flange style, bolt-hole spacing, and port size before installation. Clean both mating surfaces thoroughly so the gasket can seat evenly, and inspect the flange for warping, corrosion, or damage that could affect sealing. This part is used on 2011-2016 Chevrolet Cruze and 2016 Chevrolet Cruze Limited front converter to rear converter applications, as well as listed Buick Encore, Chevrolet Sonic, and Chevrolet Trax exhaust service applications.

Quality Assurance

Walker supplies exhaust sealing components designed to work with OE exhaust parts and Walker replacement systems. Part number 31731 is built to the listed dimensional specifications for consistent fitment in the applications shown.