HomeAir and Fuel Delivery > Gaskets and Sealing SystemsApex AMS3642 Fuel Injection Plenum Gasket Set - Upper
Part #: AMS3642

Apex AMS3642 Fuel Injection Plenum Gasket Set - Upper

Upper
⚙️ 6 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$11.56Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, Oldsmobile, and Pontiac, Cutlass Supreme, Grand Prix, Lumina, and Monte Carlo
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Fuel Injection Plenum Gasket Set for GM Vehicles

The Apex AMS3642 Fuel Injection Plenum Gasket Set is designed to provide a precise seal for fuel injection systems on select Chevrolet, Oldsmobile, and Pontiac models. This gasket set ensures proper sealing to maintain engine performance and prevent leaks in your vehicle's air and fuel delivery system.

  • Compatible with Chevrolet Lumina and Monte Carlo models
  • Fits Oldsmobile Cutlass Supreme applications
  • Designed for Pontiac Grand Prix fuel injection systems
  • Durable materials engineered for reliable sealing
  • Part number AMS3642 for easy identification and replacement

Product Details and Compatibility

The Apex AMS3642 Fuel Injection Plenum Gasket Set is specifically engineered for use in fuel injection systems of Chevrolet Lumina and Monte Carlo, Oldsmobile Cutlass Supreme, and Pontiac Grand Prix vehicles. This gasket set helps maintain the integrity of the plenum seal, preventing air and fuel leaks that can affect engine efficiency and emissions. Using the correct gasket set like the AMS3642 ensures a proper fit and long-lasting performance in these GM models.

Common Applications and Problem Solving

  • Prevents vacuum leaks in the fuel injection plenum
  • Eliminates fuel odor caused by gasket deterioration
  • Helps maintain consistent engine idle and performance
  • Reduces risk of engine misfires related to air leaks
  • Addresses plenum gasket wear from age or heat exposure

Installation Notes and Tips

When installing the Apex AMS3642 gasket set, ensure the mating surfaces are clean and free of old gasket material or debris. Proper torque specifications should be followed to avoid over-tightening, which can damage the gasket or plenum. It is recommended to inspect the fuel injection plenum and surrounding components for wear or damage during installation to ensure optimal sealing and performance.

Quality Assurance and Warranty

Apex manufactures the AMS3642 Fuel Injection Plenum Gasket Set to meet OEM standards for fit and function. While specific warranty details are not provided, Apex products are generally backed by quality control processes to ensure reliability and durability in automotive applications.

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1997ChevroletLumina3.4LV6Upper
1997ChevroletMonte Carlo3.4LV6Upper
1996ChevroletLumina3.4LV6Upper
1996ChevroletMonte Carlo3.4LV6Upper
1996OldsmobileCutlass Supreme3.4LV6Upper
1996PontiacGrand Prix3.4LV6Upper

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