Standard Ignition FJG146 Fuel Injection Throttle Body Mounting Gasket

Fuel Injection Throttle Body Mounting Gasket

Standard Ignition FJG146 is a direct-fit fuel injection throttle body mounting gasket for TBI applications. It uses silicone construction and OE-style dimensions to support a proper seal between the throttle body and intake flange on a wide range of GM trucks, SUVs, and vans.

• Direct-fit OE replacement for throttle body injection flange service
• Silicone material for sealing performance in demanding engine conditions
• Green color/finish
• Inside diameter: 4.11 in. / 104.41 mm
• Outside diameter: 4.29 in. / 109.21 mm
• Thickness: 0.3 in. / 7.79 mm
• System type: TBI
• Gaskets included; EGR gasket not included
• No bolt holes, pintle cap, or spacer-to-manifold included

Application Details

This Standard Ignition FJG146 throttle body gasket is built for vehicles using a throttle body injection flange setup. It is a fitment-based replacement for many Chevrolet, GMC, Cadillac, Hummer, Saab, Buick, and Isuzu models, including Fits 2007-2019 Chevrolet Silverado 1500, N/A and Fits 2007-2014 Chevrolet Tahoe, N/A. It also applies to Fits 2007-2019 GMC Sierra 1500, N/A and Fits 2007-2014 Cadillac Escalade, N/A. This part cross-references Fel-Pro 61469 for the same application.

Common Problems It Can Address

• Air leaks at the throttle body mounting flange
• Rough idle caused by a poor intake seal
• Vacuum loss around the TBI interface
• Driveability issues related to a deteriorated gasket
• Service replacement after throttle body removal

Installation Notes and Tips

Clean both mating surfaces before installation and inspect the throttle body flange for warpage, carbon buildup, or damage. Verify the gasket matches the TBI flange dimensions and the vehicle application before assembly. For best sealing results, install on a dry, debris-free surface and follow the vehicle service procedure for throttle body reassembly.

Quality Assurance

Standard Ignition states that this throttle body injection flange gasket undergoes extensive testing and is produced under complete quality control throughout manufacturing. The direct-fit design supports straightforward installation and consistent sealing performance.