HomeEngine > Gaskets and Sealing SystemsApex AMS3290 Engine Intake Manifold Gasket Set
Part #: AMS3290

Apex AMS3290 Engine Intake Manifold Gasket Set

19 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick, Chevrolet, GMC, Isuzu, and Oldsmobile, Ascender, Bravada, Envoy, Envoy XL, Envoy XUV, Rainier, Trailblazer, and Trailblazer EXT
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Reliable Engine Intake Manifold Gasket Set for GM and Isuzu Vehicles

The Apex AMS3290 Engine Intake Manifold Gasket Set is designed to provide a precise seal for your vehicle's intake manifold. Compatible with several GM and Isuzu models, this gasket set helps maintain engine performance by preventing air and coolant leaks.

  • Compatible with Buick, Chevrolet, GMC, Isuzu, and Oldsmobile vehicles
  • Fits models including Ascender, Bravada, Envoy, Envoy XL, Envoy XUV, Rainier, Trailblazer, and Trailblazer EXT
  • Ensures a secure seal between the intake manifold and cylinder head
  • Manufactured to meet OEM specifications for reliable fit and function
  • Part number AMS3290 for easy identification and replacement

Product Details and Compatibility

The Apex AMS3290 gasket set is engineered specifically for engine intake manifolds on a range of GM and Isuzu SUVs and trucks. This set is compatible with Buick Ascender, Chevrolet Trailblazer and Trailblazer EXT, GMC Envoy series including Envoy XL and Envoy XUV, Isuzu Bravada, and Oldsmobile Rainier models. The gasket set ensures proper sealing to prevent vacuum leaks and coolant seepage, which can affect engine efficiency and emissions.

Common Applications and Problem Solving

  • Prevents intake manifold vacuum leaks that cause rough idling or poor acceleration
  • Stops coolant leaks that can lead to engine overheating
  • Maintains proper air-fuel mixture for optimal combustion
  • Reduces risk of engine misfires related to intake manifold seal failure
  • Helps avoid costly engine damage from prolonged gasket failure

Installation Notes and Tips

When installing the Apex AMS3290 gasket set, ensure the intake manifold and cylinder head surfaces are clean and free of old gasket material or debris. Use proper torque specifications for manifold bolts to avoid warping or leaks. It is recommended to inspect related components such as intake manifold bolts and coolant passages during installation for any signs of wear or damage.

Quality Assurance and Warranty

Apex manufactures the AMS3290 gasket set to meet or exceed OEM standards, ensuring durability and reliable sealing performance. While specific warranty details are not provided, Apex products typically undergo rigorous quality control to support long-term engine operation.

This part fits 19 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004BuickRainier4.2LL6N/A
2004ChevroletTrailblazer4.2LL6N/A
2004ChevroletTrailblazer EXT4.2LL6N/A
2004GMCEnvoy4.2LL6N/A
2004GMCEnvoy XL4.2LL6N/A
2004GMCEnvoy XUV4.2LL6N/A
2004IsuzuAscender4.2LL6N/A
2004OldsmobileBravada4.2LL6N/A
2003ChevroletTrailblazer4.2LL6N/A
2003ChevroletTrailblazer EXT4.2LL6N/A
2003GMCEnvoy4.2LL6N/A
2003GMCEnvoy XL4.2LL6N/A
2003IsuzuAscender4.2LL6N/A
2003OldsmobileBravada4.2LL6N/A
2002ChevroletTrailblazer4.2LL6N/A
2002ChevroletTrailblazer EXT4.2LL6N/A
2002GMCEnvoy4.2LL6N/A
2002GMCEnvoy XL4.2LL6N/A
2002OldsmobileBravada4.2LL6N/A

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