HomeAir and Fuel Delivery > Gaskets and Sealing SystemsApex AMS3730 Fuel Injection Plenum Gasket Set - Upper
Part #: AMS3730

Apex AMS3730 Fuel Injection Plenum Gasket Set - Upper

Upper
⚙️ 45 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Chevrolet, Oldsmobile, and Pontiac, Bonneville, Grand Prix, Impala, LSS, Monte Carlo, Park Avenue, Regal, and Riviera
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Reliable Fuel Injection Plenum Gasket Set for GM Vehicles

The Apex AMS3730 fuel injection plenum gasket set is designed to provide a secure seal for the intake manifold on select Buick, Chevrolet, Oldsmobile, and Pontiac models. This gasket set helps maintain proper air and fuel delivery, ensuring engine performance and efficiency.

  • Compatible with Buick Bonneville, Chevrolet Impala, Monte Carlo, Park Avenue, and LSS models
  • Also fits Oldsmobile LSS and Riviera, Pontiac Grand Prix and Regal
  • Durable construction to withstand engine heat and pressure
  • Designed specifically for fuel injection plenum sealing applications
  • Part number AMS3730 for easy identification and replacement

Product Details and Compatibility

The Apex AMS3730 fuel injection plenum gasket set is engineered to fit a range of GM vehicles including Buick Bonneville and Park Avenue, Chevrolet Impala and Monte Carlo, Oldsmobile LSS and Riviera, as well as Pontiac Grand Prix and Regal. This gasket set ensures a tight seal between the intake manifold and the engine block, preventing air and fuel leaks that can affect engine performance. Using the correct gasket set like the AMS3730 helps maintain optimal fuel injection system operation and reduces the risk of vacuum leaks.

Common Applications and Problem Solving

  • Prevents vacuum leaks that cause rough idling or engine hesitation
  • Eliminates fuel odor caused by leaking intake manifold gaskets
  • Helps maintain proper air-fuel mixture for efficient combustion
  • Reduces risk of engine misfires related to intake manifold leaks
  • Supports consistent engine performance in Buick, Chevrolet, Oldsmobile, and Pontiac models

Installation Notes and Tips

When installing the Apex AMS3730 gasket set, ensure the intake manifold surfaces are clean and free of old gasket material or debris. Proper torque specifications should be followed to avoid warping or damaging the gasket. It is recommended to inspect the intake manifold and surrounding components for wear or damage during installation to ensure a reliable seal.

Quality Assurance and Warranty

Apex manufactures the AMS3730 gasket set to meet OEM standards for fit and durability. While specific warranty details are not provided, Apex products typically undergo quality control to ensure consistent performance and reliability in fuel injection sealing applications.

This part fits 45 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005BuickPark Avenue3.8LV6Upper
2005ChevroletImpala3.8LV6Upper
2005ChevroletMonte Carlo3.8LV6Upper
2004BuickPark Avenue3.8LV6Upper
2004BuickRegal3.8LV6Upper
2004ChevroletImpala3.8LV6Upper
2004ChevroletMonte Carlo3.8LV6Upper
2003BuickPark Avenue3.8LV6Upper
2003BuickRegal3.8LV6Upper
2003PontiacBonneville3.8LV6Upper
2003PontiacGrand Prix3.8LV6Upper
2002BuickPark Avenue3.8LV6Upper
2002BuickRegal3.8LV6Upper
2002PontiacBonneville3.8LV6Upper
2002PontiacGrand Prix3.8LV6Upper
2001BuickPark Avenue3.8LV6Upper
2001BuickRegal3.8LV6Upper
2001PontiacBonneville3.8LV6Upper
2001PontiacGrand Prix3.8LV6Upper
2000BuickPark Avenue3.8LV6Upper
2000BuickRegal3.8LV6Upper
2000PontiacBonneville3.8LV6Upper
2000PontiacGrand Prix3.8LV6Upper
1999BuickPark Avenue3.8LV6Upper
1999BuickRegal3.8LV6Upper
1999BuickRiviera3.8LV6Upper
1999OldsmobileLSS3.8LV6Upper
1999PontiacBonneville3.8LV6Upper
1999PontiacGrand Prix3.8LV6Upper
1998BuickPark Avenue3.8LV6Upper
1998BuickRegal3.8LV6Upper
1998BuickRiviera3.8LV6Upper
1998OldsmobileLSS3.8LV6Upper
1998PontiacBonneville3.8LV6Upper
1998PontiacGrand Prix3.8LV6Upper
1997BuickPark Avenue3.8LV6Upper
1997BuickRegal3.8LV6Upper
1997BuickRiviera3.8LV6Upper
1997OldsmobileLSS3.8LV6Upper
1997PontiacBonneville3.8LV6Upper
1997PontiacGrand Prix3.8LV6Upper
1996BuickPark Avenue3.8LV6Upper
1996BuickRiviera3.8LV6Upper
1996OldsmobileLSS3.8LV6Upper
1996PontiacBonneville3.8LV6Upper

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.