Fel-Pro 61186 Fuel Injection Throttle Body Mounting Gasket

Fel-Pro 61186 Throttle Body Gasket

Fel-Pro 61186 is a premium fuel injection throttle body mounting gasket built for a precise seal between the throttle body and intake manifold. It is a direct-fit service part for Saturn L300, LW300, LS2, and LW2 applications, with application-specific materials chosen for dependable sealing performance.

Key Features

• Premium paper gasket material for throttle body mounting service
• Inside diameter: 2.750 in. (69.8 mm)
• Outside diameter: 4.250 x 3.680 in.
• Thickness: 0.020 in. (0.5 mm)
• 3-bolt hole design for the listed applications
• Fits 2001-2005 Saturn L300, 2001-2003 Saturn LW300, 2000 Saturn LS2, and 2000 Saturn LW2

Detailed Description

Fel-Pro 61186 is a fuel injection throttle body mounting gasket engineered for sealing the throttle body to the intake side on select Saturn vehicles. The premium paper construction and application-specific dimensions help maintain a consistent seal where the throttle body mounts, supporting proper air management at the intake connection. This part number is commonly searched as Fel-Pro 61186 for Saturn L300 throttle body gasket and Fel-Pro 61186 for Saturn LW300 throttle body gasket service.

This part cross-references MAHLE G32051 for the same application.

What It Helps Address

• Air leaks at the throttle body mounting surface
• Vacuum leaks caused by a worn or compressed gasket
• Rough idle related to intake sealing loss
• Throttle body service where the original gasket no longer seals cleanly
• Driveability concerns tied to unmetered air entering the intake tract

Installation Notes and Tips

Clean both mating surfaces before installation and remove all old gasket material, carbon, and oil residue. Verify the throttle body flange matches the 3-bolt pattern and the listed dimensions before assembly. For best results, torque fasteners evenly in the manufacturer’s recommended sequence for the vehicle.

Quality Assurance

Fel-Pro gaskets are known for vehicle-specific sealing solutions that use application-matched materials to support reliable sealing performance in professional repair work. Interchanges include 90571137, CM55594, and MAHLE G32051.