Fel-Pro 61521 Fuel Injection Throttle Body Mounting Gasket

Fel-Pro 61521 Fuel Injection Throttle Body Gasket

Fel-Pro 61521 is a premium fuel injection throttle body mounting gasket made from Felcoply for a precise seal between the throttle body and intake manifold. It is built for 2005-2007 Buick Allure, LaCrosse, and Rendezvous, plus 2005-2007 Cadillac CTS, SRX, and STS, 2007 Pontiac G6, and 2007 Saturn Aura applications.

Key Features

• Premium Felcoply material for application-specific sealing performance
• 2.950 in. inside diameter, 3.000 x 3.50 in. outside diameter
• 0.038 in. thickness for a controlled throttle body seal
• 4-bolt hole design for the listed GM applications
• Direct replacement gasket for fuel injection throttle body mounting service
• Cross-references OE part number 12581398 and MAHLE G32227, G32229

Detailed Description

Fel-Pro 61521 is engineered for throttle body mounting service where a stable seal is needed to help maintain proper air and fuel delivery at the intake connection. The premium Felcoply construction is selected for application-specific fitment, and the gasket dimensions are matched to the listed GM vehicles, including Buick Allure, Buick LaCrosse, Cadillac CTS, Cadillac SRX, Cadillac STS, Pontiac G6, Saturn Aura, and Buick Rendezvous. If you are replacing a worn throttle body gasket on a 2005-2007 Cadillac CTS or a 2007 Pontiac G6, Fel-Pro 61521 provides the correct sealing profile for the job.

What This Gasket Helps Address

• Air leaks at the throttle body mounting surface
• Rough idle caused by a deteriorated throttle body seal
• Vacuum leaks at the intake/throttle body interface
• Driveability issues related to an uneven or damaged gasket surface
• Service replacement for a worn fuel injection throttle body mounting gasket

Installation Notes and Tips

Inspect the throttle body and intake manifold sealing surfaces before installation and clean away old gasket material, carbon, and debris. Confirm the 4-bolt pattern and gasket dimensions match the original part before assembly. For best results, install on the listed 2005-2007 Buick, Cadillac, Pontiac, and Saturn applications using proper torque procedures from the vehicle service information.

Quality Assurance

Fel-Pro gaskets are built around application-specific materials and sealing solutions used by professionals for vehicle sealing service. Fel-Pro 61521 follows that approach with a premium gasket design intended to deliver consistent sealing performance for the listed applications.