Walker 31618 Exhaust Pipe Flange Gasket - Converter To H-Pipe

Walker 31618 Exhaust Pipe Flange Gasket

Walker 31618 is a graphoil exhaust pipe flange gasket built for 3-bolt exhaust connections. It is sized for OE-style exhaust repairs and Walker aftermarket replacement parts, with fitment covering select Chevrolet and GMC heavy-duty trucks and Suburban converter-to-H-pipe applications.

Key Features

• 3-bolt exhaust pipe flange gasket for sealing exhaust joints
• Graphoil material for exhaust sealing applications
• Thickness: 0.066 in.
• Bolt hole diameter: 0.375 in.
• Port 1 size: 3.125 in. x 3.125 in.
• Port 2 size: 3.75 in. x 3.75 in.
• Designed for OE exhaust components and Walker replacement parts

Detailed Description

Walker 31618 is an exhaust pipe flange gasket engineered for sealing a 3-bolt exhaust connection where a tight flange seal is required. The graphoil construction and measured port dimensions support exhaust repair work on select 1996-2000 Chevrolet C2500, C3500, K2500, and K3500 trucks, plus 1996-1999 Chevrolet and GMC C2500 Suburban and K2500 Suburban converter to H-pipe applications. This part number, 31618, is also cross-referenced to AMS Automotive 4731 for the same application.

Common Repair Uses

• Exhaust leak at a 3-bolt flange connection
• Damaged or flattened flange gasket surface
• Noise from a leaking converter-to-H-pipe joint
• Loss of seal after exhaust service on Chevrolet C2500 or GMC K3500 applications
• Replacement during exhaust pipe or converter repair

Installation Notes and Tips

Verify flange style, bolt spacing, and port dimensions before installation. Confirm the vehicle application by year, make, model, and position: Fits 1996-2000 Chevrolet C2500, N/A; Fits 1996-2000 Chevrolet C3500, N/A; Fits 1996-2000 Chevrolet K2500, N/A; Fits 1996-2000 Chevrolet K3500, N/A; Fits 1996-2000 GMC C2500, N/A; Fits 1996-2000 GMC C3500, N/A; Fits 1996-2000 GMC K2500, N/A; Fits 1996-2000 GMC K3500, N/A; Fits 1996-1999 Chevrolet C2500 Suburban, Converter To H-Pipe; Fits 1996-1999 Chevrolet K2500 Suburban, Converter To H-Pipe; Fits 1996-1999 GMC C2500 Suburban, Converter To H-Pipe; Fits 1996-1999 GMC K2500 Suburban, Converter To H-Pipe. Match the gasket to the exhaust flange surfaces before tightening the joint.

Quality Assurance

Walker supplies exhaust sealing components designed to work with OE exhaust systems and Walker aftermarket replacement parts. Part number 31618 is built to the listed dimensions and application coverage for accurate exhaust repair selection.