Standard Ignition PG1 Fuel Injection Plenum Gasket

Fuel Injection Plenum Gasket for Ford Applications

Standard Ignition PG1 is a fuel injection plenum gasket built with paper material and an MFI seal type for service on select Ford and Mercury vehicles. It is designed for applications where the original plenum gasket has hardened, leaked, or no longer seals properly.

Fits 1983-1990 Ford Mustang, N/A; Fits 1985-1988 Ford Ranger, N/A; Fits 1986-1987 Ford Aerostar, N/A; Fits 1983-1987 Ford Thunderbird, N/A; Fits 1985-1987 Ford Tempo, N/A; Fits 1992-1994 Ford Tempo, N/A; Fits 1984-1986 Mercury Cougar, N/A; Fits 1983-1984 Mercury Capri, N/A.

Key Features

• Paper gasket material for plenum sealing service
• MFI seal type
• Designed for select Ford Mustang, Ranger, Aerostar, Thunderbird, and Tempo applications
• Also fits Mercury Cougar and Mercury Capri applications listed in the fitment data
• Standard Ignition PG1 replacement part number for direct lookup

Detailed Description

Standard Ignition PG1 is a fuel injection plenum gasket for air and fuel delivery service on select Ford and Mercury vehicles. This gasket is used to restore the seal between mating intake components, helping maintain proper vacuum integrity and consistent fuel system operation. The part number PG1 is a direct reference for buyers searching for a Ford Mustang fuel injection plenum gasket, Ford Ranger plenum gasket, or related Ford Tempo and Thunderbird applications.

Standard Ignition manufactures TBI kits and gaskets with durable material construction and tests products in an ISO 9000-compliant environment. The design is intended to meet or exceed OE specifications and address common failure points found in original equipment sealing components. This part cross-references 1G1161 and 19138679 for the same application.

What It Helps Fix

• Vacuum leaks at the plenum sealing surface
• Rough idle caused by intake air leakage
• Fuel mixture issues related to a poor seal
• Loss of engine performance from deteriorated gasket material
• Service needs after intake or throttle-body related repairs

Installation Notes and Tips

Clean both mating surfaces before installation and remove all old gasket material before placing the new gasket. Verify the application by year, make, and model before ordering PG1, especially on Ford Mustang, Ford Ranger, and Ford Tempo vehicles. Follow the vehicle service procedure for torque sequence and recheck for leaks after assembly.

Quality Assurance

Standard Ignition products are inspected in an ISO 9000-compliant environment and built to OE-level specifications for the listed applications. The PG1 fuel injection plenum gasket is engineered for dependable sealing performance in the vehicles shown in the fitment data.