Walker 31587 Exhaust Pipe Flange Gasket

Exhaust Pipe Flange Gasket for OE-Style Repair

Walker 31587 is an exhaust pipe flange gasket built for sealing exhaust joints during repair work. It uses high temperature graphite with a steel core to help maintain a tight seal at the flange connection, and its 4-bolt design is made to work with OE exhaust components and Walker aftermarket replacement parts.

Compatible with select Cadillac, Buick, Pontiac, and Oldsmobile applications, including Cadillac DTS, DeVille, Seville, Eldorado, and Buick LeSabre exhaust repairs. Walker 31587 is a direct-fit sealing solution for common flange service needs on these vehicles.

Key Features

• Part number 31587 exhaust pipe flange gasket
• 4-bolt gasket type for flange-style exhaust connections
• High temperature graphite with steel core construction
• 0.051 in. thickness for sealing support at the joint
• Port dimensions: 3 in. length and 3 in. width
• Bolt hole center spacing: 4 in. and 3 in.
• Designed for use with OE exhaust components and Walker replacement parts

Detailed Description

Walker 31587 is engineered for exhaust flange sealing where a worn gasket can allow leaks at the pipe connection. The graphite sealing material and steel core help the gasket maintain shape under exhaust heat and pressure, while the 4-bolt layout supports a secure flange interface. This makes it a practical choice for service on Cadillac DTS, Cadillac DeVille, Buick LeSabre, Pontiac Bonneville, and related applications listed in the fitment data. This part cross-references AP Exhaust 8759 for the same application.

What It Helps Fix

• Exhaust leaks at a flange connection
• Noise from a damaged or deteriorated gasket
• Soot marks around the exhaust joint
• Loss of sealing after exhaust pipe service
• Fitment issues when replacing a flange gasket on select Cadillac, Buick, Pontiac, and Oldsmobile models

Installation Notes and Tips

Confirm bolt hole spacing, port size, and flange style 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. Use the vehicle-specific fitment data to verify application details for 2006-2008 Cadillac DTS, 1997-2005 Buick LeSabre, 1997-2005 Buick Park Avenue, 1996-2005 Cadillac DeVille, 1996-2005 Pontiac Bonneville, 1998-2003 Cadillac Seville with Federal Emission System, 2001-2003 Oldsmobile Aurora, 1997-1998 Oldsmobile Aurora, 1996-1999 Buick Riviera, 1996-1999 Cadillac Eldorado, 1997-1999 Oldsmobile 88, 1997-1999 Oldsmobile LSS, 1996-1997 Cadillac Seville, and 1997 Pontiac Bonneville with Single Outlet.

Quality Assurance

Walker manufactures exhaust sealing components for OE-style repair applications, and this gasket is built to match the listed flange dimensions and material requirements for the specified vehicles. Part number 31587 is intended for direct replacement use where the original exhaust flange gasket has failed.