HomeEngine > Gaskets and Sealing SystemsApex AMS3503 Engine Intake Manifold Gasket Set - Lower and Upper
Part #: AMS3503

Apex AMS3503 Engine Intake Manifold Gasket Set - Lower and Upper

Lower and Upper
47 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick, Chevrolet, Oldsmobile, and Pontiac, Achieva, Century, Corsica, Cutlass, Cutlass Ciera, Cutlass Supreme, Grand Am, Grand Prix, Lumina, Malibu, Monte Carlo, Regal, and Skylark
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Reliable Engine Intake Manifold Gasket Set for GM Vehicles

The Apex AMS3503 Engine Intake Manifold Gasket Set is designed for precise fitment on select Buick, Chevrolet, Oldsmobile, and Pontiac models. This gasket set ensures a proper seal to maintain engine performance and prevent leaks in your vehicle's intake manifold system.

  • Compatible with Buick Achieva, Century, Regal, and Skylark models
  • Fits Chevrolet Corsica, Lumina, Malibu, and Monte Carlo vehicles
  • Suitable for Oldsmobile Cutlass, Cutlass Ciera, and Cutlass Supreme
  • Designed for Pontiac Grand Am and Grand Prix models
  • Part number AMS3503 for accurate identification and replacement

Product Details and Compatibility

The Apex AMS3503 gasket set is engineered to meet the specifications required for proper sealing of the engine intake manifold on a range of GM vehicles. This set is compatible with multiple Buick, Chevrolet, Oldsmobile, and Pontiac models, including the Buick Achieva and Regal, Chevrolet Corsica and Malibu, Oldsmobile Cutlass series, and Pontiac Grand Am. Using the correct gasket set helps maintain optimal engine vacuum and prevents air or coolant leaks that can affect engine efficiency.

Common Applications and Problem Resolution

  • Prevents intake manifold vacuum leaks that cause rough idling or poor acceleration
  • Stops coolant leaks around the intake manifold area
  • Eliminates engine misfires related to intake manifold gasket failure
  • Helps maintain proper engine temperature by sealing coolant passages
  • Reduces the risk of engine overheating due to gasket deterioration

Installation Notes and Tips

When installing the Apex AMS3503 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 manifold. It is recommended to inspect the intake manifold for cracks or damage before installation. Using the correct gasket set for your specific Buick, Chevrolet, Oldsmobile, or Pontiac model will help ensure a secure and lasting seal.

Quality Assurance and Warranty

Apex manufactures the AMS3503 gasket set to meet industry standards for durability and performance. While specific warranty details are not provided, Apex products typically undergo quality control processes to ensure reliable fitment and function. Using genuine or OEM-equivalent parts like the AMS3503 helps maintain the integrity of your vehicle's engine sealing system.

This part fits 47 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1999BuickCentury3.1LV6Lower and Upper
1999ChevroletLumina3.1LV6Lower and Upper
1999ChevroletMalibu3.1LV6Lower and Upper
1999ChevroletMonte Carlo3.1LV6Lower and Upper
1999OldsmobileCutlass3.1LV6Lower and Upper
1999PontiacGrand Prix3.1LV6Lower and Upper
1998BuickCentury3.1LV6Lower and Upper
1998BuickSkylark3.1LV6Lower and Upper
1998ChevroletLumina3.1LV6Lower and Upper
1998ChevroletMalibu3.1LV6Lower and Upper
1998ChevroletMonte Carlo3.1LV6Lower and Upper
1998OldsmobileAchieva3.1LV6Lower and Upper
1998OldsmobileCutlass3.1LV6Lower and Upper
1998PontiacGrand Am3.1LV6Lower and Upper
1998PontiacGrand Prix3.1LV6Lower and Upper
1997BuickCentury3.1LV6Lower and Upper
1997BuickSkylark3.1LV6Lower and Upper
1997ChevroletLumina3.1LV6Lower and Upper
1997ChevroletMalibu3.1LV6Lower and Upper
1997ChevroletMonte Carlo3.1LV6Lower and Upper
1997OldsmobileAchieva3.1LV6Lower and Upper
1997OldsmobileCutlass3.1LV6Lower and Upper
1997OldsmobileCutlass Supreme3.1LV6Lower and Upper
1997PontiacGrand Am3.1LV6Lower and Upper
1997PontiacGrand Prix3.1LV6Lower and Upper
1996BuickCentury3.1LV6Lower and Upper2nd Design; w/Push Rod Guides on Int. Gskt.
1996BuickRegal3.1LV6Lower and Upperw/2nd Design Int. Manifold Gasket
1996BuickSkylark3.1LV6Lower and Upper2nd Design
1996ChevroletCorsica3.1LV6Lower and Upper2nd Design
1996ChevroletLumina3.1LV6Lower and Upper2nd Design
1996ChevroletMonte Carlo3.1LV6Lower and Upper2nd Design
1996OldsmobileAchieva3.1LV6Lower and Upper2nd Design
1996OldsmobileCutlass Ciera3.1LV6Lower and Upper2nd Design
1996OldsmobileCutlass Supreme3.1LV6Lower and Upper2nd Design
1996PontiacGrand Am3.1LV6Lower and Upper2nd Design
1996PontiacGrand Prix3.1LV6Lower and Upper2nd Design
1995BuickCentury3.1LV6Lower and Upper2nd Design; w/Push Rod Guides on Int. Gskt.
1995BuickRegal3.1LV6Lower and Upperw/2nd Design Int. Manifold Gasket
1995BuickSkylark3.1LV6Lower and Upper2nd Design
1995ChevroletCorsica3.1LV6Lower and Upper2nd Design
1995ChevroletLumina3.1LV6Lower and Upper2nd Design
1995ChevroletMonte Carlo3.1LV6Lower and Upper2nd Design
1995OldsmobileAchieva3.1LV6Lower and Upper2nd Design
1995OldsmobileCutlass Ciera3.1LV6Lower and Upper2nd Design
1995OldsmobileCutlass Supreme3.1LV6Lower and Upper2nd Design
1995PontiacGrand Am3.1LV6Lower and Upper2nd Design
1995PontiacGrand Prix3.1LV6Lower and Upper2nd Design

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