Fel-Pro 61637 Exhaust Pipe Flange Gasket - Manifold To Converter

Fel-Pro Exhaust Pipe Flange Gasket 61637

Fel-Pro 61637 is a premium exhaust pipe flange gasket for the manifold-to-converter connection on select Cadillac CTS models. It uses application-specific sealing materials to help maintain a tight exhaust seal where heat, vibration, and repeated thermal cycling can challenge the joint.

Key Features

• Premium-grade exhaust pipe flange gasket
• Round gasket shape with one round port
• Port inside diameter: 2.322 in.
• Thickness: 0.190 in. (4.9 mm)
• Built for the manifold to converter position
• Fel-Pro sealing technology focused on vehicle-specific fit and durability

Product Details

This Fel-Pro exhaust pipe flange gasket is made for 2003-2004 Cadillac CTS, manifold to converter. The round, single-port design and premium material construction support a reliable seal at the exhaust flange, helping reduce leakage at a critical connection point. If you are replacing a worn exhaust manifold-to-converter gasket on a Cadillac CTS, Fel-Pro 61637 provides the correct application-focused fit for this service.

This part cross-references Monroe Shocks & Struts (e.g., 25731281, F32375) for the same application.

What It Helps Address

• Exhaust leaks at the manifold-to-converter flange
• Noise from a failing exhaust seal
• Loss of sealing integrity after heat cycling
• Visible soot or residue around the flange joint
• Replacement of a damaged or compressed gasket on Cadillac CTS exhaust service

Installation Notes

Verify the flange style, port shape, 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 fitment for 2003-2004 Cadillac CTS, manifold to converter, before final assembly.

Quality Assurance

Fel-Pro gaskets are built around application-specific sealing materials and vehicle-focused engineering to support dependable exhaust sealing in professional repair work.