HomeAir and Fuel Delivery > Gaskets and Sealing SystemsApex AMS11640 Fuel Injection Plenum Gasket Set - Upper
Part #: AMS11640

Apex AMS11640 Fuel Injection Plenum Gasket Set - Upper

Upper
⚙️ 5 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, GMC, and Saturn, Acadia, Enclave, and Outlook
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Reliable Fuel Injection Plenum Gasket Set for Buick, GMC, and Saturn

The Apex AMS11640 fuel injection plenum gasket set is designed to provide a secure seal for the intake manifold in select Buick, GMC, and Saturn vehicles. This gasket set helps maintain proper air and fuel delivery by preventing leaks and ensuring optimal engine performance.

  • Compatible with Buick Enclave, GMC Acadia, and Saturn Outlook models
  • Precision-engineered to match OEM specifications
  • Durable materials resist heat and chemical exposure
  • Ensures a tight seal to prevent vacuum leaks and fuel delivery issues
  • Part number AMS11640 for easy identification and fitment

Product Details and Compatibility

The Apex AMS11640 fuel injection plenum gasket set is specifically designed for use in the air and fuel delivery system of Buick Enclave, GMC Acadia, and Saturn Outlook vehicles. This gasket set seals the plenum to the intake manifold, preventing air and fuel leaks that can affect engine efficiency and emissions. Manufactured to meet strict quality standards, this gasket set offers reliable performance under normal operating conditions.

Common Applications and Problem Resolution

  • Prevents vacuum leaks that cause rough idling or stalling
  • Eliminates fuel odor caused by leaking gaskets
  • Helps maintain proper air-fuel mixture for engine efficiency
  • Reduces risk of engine misfires related to intake leaks
  • Supports emission control by maintaining sealed intake system

Installation Notes and Tips

When installing the Apex AMS11640 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 manifold. It is recommended to inspect the intake manifold and plenum for any cracks or damage before installation to ensure a proper seal.

Quality Assurance and Warranty

Apex manufactures the AMS11640 gasket set to meet or exceed OEM standards for durability and fitment. While specific warranty details are not provided, Apex products typically undergo rigorous quality control to ensure consistent performance. For best results, use this gasket set as a direct replacement in compatible Buick Enclave, GMC Acadia, and Saturn Outlook models.

This part fits 5 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2008BuickEnclave3.6LV6Upper
2008GMCAcadia3.6LV6Upper
2008SaturnOutlook3.6LV6Upper
2007GMCAcadia3.6LV6Upper
2007SaturnOutlook3.6LV6Upper

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