Standard Ignition FJG129 Fuel Injection Throttle Body Mounting Gasket - Lower

Fuel Injection Throttle Body Mounting Gasket

Standard Ignition FJG129 is a fuel injection throttle body mounting gasket for TBI systems. It is built with paper and plastic materials and shaped for a 3-bolt throttle body mounting pattern to support a proper seal at the throttle body-to-manifold interface.

Compatible With select Pontiac applications, including Sunbird, LeMans, Optima, and Tempest models listed below.

Key Features

• Fuel injection throttle body mounting gasket for TBI systems
• Paper and plastic construction for sealing performance
• 3-bolt hole design
• Black and silver finish
• Gasket included; no EGR gasket, pintle cap, or spacer to manifold included
• Standard Ignition FJG129 for direct application matching

Application Details

Standard Ignition FJG129 is engineered for throttle body injection service where the mounting gasket must maintain a clean seal between the throttle body and intake manifold. It is designed to meet or exceed OE specifications and is tested in an ISO 9000-compliant environment. This part cross-references Beck/Arnley 152-1021 and Continental 60863 for the same application.

Fits 1989-1991 Pontiac Sunbird, Lower. Fits 1989-1990 Pontiac LeMans, Lower. Fits 1989-1990 Pontiac Optima, N/A. Fits 1989 Pontiac Tempest, N/A.

Common Repair Uses

• Throttle body vacuum leaks at the mounting surface
• Rough idle caused by a leaking TBI gasket
• Air/fuel mixture issues from an unsealed throttle body
• Driveability complaints related to intake sealing loss
• Service replacement during throttle body removal or inspection

Installation Notes and Tips

Clean both mating surfaces before installation and verify the 3-bolt pattern aligns correctly with the throttle body and manifold. Inspect the throttle body flange for warpage, carbon buildup, or damage that could affect sealing. Use the listed fitment notes to confirm the correct Pontiac Sunbird, LeMans, Optima, or Tempest application before assembly.

Quality Assurance

Standard Ignition manufactures this gasket with durable materials and OE-level design intent. The product is inspected in an ISO 9000-compliant environment to support consistent fit and sealing performance.