Fel-Pro 61311 Exhaust Pipe Flange Gasket - Converter To Resonator Assembly, Front Pipe To Converter or Intermediate Pipe To Converter

Fel-Pro 61311 Exhaust Pipe Flange Gasket

Fel-Pro 61311 is an exhaust pipe flange gasket built for sealing the joint between the pipe and converter or resonator assembly. It uses application-specific materials and a premium rectangular design to support a tight exhaust seal on select Buick, Cadillac, Oldsmobile, and Pontiac vehicles.

Key Features

• Part number 61311 exhaust pipe flange gasket
• Premium-grade construction for exhaust sealing applications
• Rectangular gasket shape with one round port
• 3.090 in. port inside diameter
• 0.042 in. thickness, 1.1 mm thickness
• 4-bolt hole design for the listed flange applications
• Built for front pipe to converter, converter to resonator assembly, and intermediate pipe to converter locations

Detailed Description

Fel-Pro 61311 is an exhaust pipe flange gasket for vehicles that use a single round exhaust port in a rectangular flange layout. The gasket measures 0.042 in. thick and 3.090 in. at the port inside diameter, with a 4-bolt hole pattern to match the listed exhaust connections. This part number 61311 is used across multiple GM platforms, including Buick LeSabre, Buick Park Avenue, Cadillac DeVille, Cadillac Seville, Cadillac Eldorado, Cadillac DTS, Cadillac STS, Cadillac SRX, Cadillac XLR, Oldsmobile Aurora, Oldsmobile 88, Oldsmobile LSS, Oldsmobile Regency, Pontiac Bonneville, and Buick Riviera.

Fel-Pro focuses on vehicle-specific sealing materials to deliver consistent exhaust joint sealing where the pipe meets the converter or resonator assembly. This makes Fel-Pro 61311 a direct replacement choice for service work on 2006-2011 Buick Lucerne front pipe to converter applications and other listed GM exhaust flange locations.

This part cross-references MAHLE F32073 for the same application.

What It Is Used For

• Sealing exhaust leaks at the pipe-to-converter flange
• Replacing a worn gasket on front pipe to converter joints
• Restoring sealing at converter to resonator assembly connections
• Addressing exhaust noise from a leaking flange joint
• Helping correct soot marks or odor from a failed exhaust seal

Installation Notes and Tips

Verify flange shape, bolt hole count, port diameter, and position 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. Confirm the application by vehicle year, make, model, and exhaust position before ordering. Fits 2006-2011 Buick Lucerne, Front Pipe To Converter; Fits 2006-2011 Cadillac DTS, Front Pipe To Converter; Fits 2005-2010 Cadillac STS, Converter To Resonator Assembly; Fits 2004-2009 Cadillac SRX, Front Pipe To Converter; Fits 2004-2009 Cadillac XLR, Converter To Resonator Assembly; Fits 1997-2005 Buick LeSabre, Intermediate Pipe To Converter; Fits 1997-2005 Buick Park Avenue, Intermediate Pipe To Converter; Fits 1996-2005 Cadillac DeVille, Front Pipe To Converter; Fits 2004-2005 Pontiac Bonneville, Front Pipe To Converter; Fits 1996-2004 Cadillac Seville, Front Pipe To Converter; Fits 2003 Oldsmobile Aurora, Intermediate Pipe To Converter; Fits 1996-1999 Oldsmobile Aurora, Intermediate Pipe To Converter; Fits 1997-2003 Pontiac Bonneville, Intermediate Pipe To Converter; Fits 1996-2002 Cadillac Eldorado, Front Pipe To Converter; Fits 2001-2002 Oldsmobile Aurora, Front Pipe To Converter; Fits 1995-1999 Buick Riviera, Intermediate Pipe To Converter; Fits 1997-1999 Oldsmobile 88, Intermediate Pipe To Converter; Fits 1997-1999 Oldsmobile LSS, Intermediate Pipe To Converter; Fits 1997-1998 Oldsmobile Regency, Intermediate Pipe To Converter.

Quality Assurance

Fel-Pro gaskets are engineered with application-specific materials for vehicle sealing performance and durability trusted by professionals. This exhaust pipe flange gasket is built to match the listed GM exhaust applications and sealing dimensions.