HomeEngine > Gaskets and Sealing SystemsApex AHS3128 Engine Cylinder Head Gasket Set
Part #: AHS3128

Apex AHS3128 Engine Cylinder Head Gasket Set

⚙️ 8 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, Chevrolet, GMC, Isuzu, and Saab, 9-7x, Ascender, Envoy, Envoy XL, Envoy XUV, Rainier, Trailblazer, and Trailblazer EXT
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Reliable Engine Cylinder Head Gasket Set for Select SUVs

The Apex AHS3128 engine cylinder head gasket set is designed for precise fitment and dependable sealing in a range of mid-size SUVs. Engineered to meet the requirements of Buick, Chevrolet, GMC, Isuzu, and Saab vehicles, this gasket set ensures proper sealing for optimal engine performance.

  • Compatible with Buick, Chevrolet, GMC, Isuzu, and Saab models including 9-7x, Ascender, Envoy, Envoy XL, Envoy XUV, Rainier, Trailblazer, and Trailblazer EXT
  • Engine cylinder head gasket set designed to maintain proper compression and prevent leaks
  • Durable construction to withstand engine heat and pressure
  • Part number AHS3128 for accurate identification and fitment

Product Details and Compatibility

The Apex AHS3128 engine cylinder head gasket set is specifically engineered for use in a variety of SUVs such as the Buick 9-7x, Chevrolet Trailblazer EXT, GMC Envoy XL, Isuzu Ascender, and Saab 9-7x. This gasket set is critical for maintaining the seal between the engine block and cylinder head, preventing coolant and oil leaks while preserving engine compression. The gasket set is manufactured to meet OEM specifications, ensuring reliable performance and durability under normal operating conditions.

Common Applications and Problem Resolution

  • Seals cylinder head to engine block to prevent coolant and oil leaks
  • Restores engine compression lost due to gasket failure
  • Prevents engine overheating caused by coolant leakage
  • Eliminates white smoke from exhaust related to head gasket issues
  • Addresses engine misfires caused by compromised head gasket sealing

Installation Notes and Tips

When installing the Apex AHS3128 gasket set, ensure the cylinder head and engine block surfaces are clean and free of debris. Follow manufacturer torque specifications for head bolts to avoid warping or gasket damage. It is recommended to inspect the cylinder head for cracks or warping before installation. Proper installation will help maintain engine integrity and prevent premature gasket failure.

Quality Assurance and Warranty

Apex manufactures the AHS3128 gasket set to meet industry standards for durability and performance. While specific warranty details are not provided, Apex products typically undergo rigorous quality control to ensure reliability. For best results, use this gasket set as a direct replacement for the specified Buick, Chevrolet, GMC, Isuzu, and Saab models.

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005BuickRainier4.2LL6N/A
2005ChevroletTrailblazer4.2LL6N/A
2005ChevroletTrailblazer EXT4.2LL6N/A
2005GMCEnvoy4.2LL6N/A
2005GMCEnvoy XL4.2LL6N/A
2005GMCEnvoy XUV4.2LL6N/A
2005IsuzuAscender4.2LL6N/A
2005Saab9-7x4.2LL6N/A

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