HomeEngine > Gaskets and Sealing SystemsApex AHS3129 Engine Cylinder Head Gasket Set
Part #: AHS3129

Apex AHS3129 Engine Cylinder Head Gasket Set

69 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick, Cadillac, Chevrolet, GMC, and Isuzu, Ascender, Avalanche 1500, Envoy XL, Envoy XUV, Escalade, Express 1500, Express 2500, Express 3500, Rainier, Savana 1500, Savana 2500, Savana 3500, Sierra 1500, Sierra 1500 Classic, Silverado 1500, Silverado 1500 Classic, SSR, Suburban 1500, Tahoe, Trailblazer EXT, Yukon, and Yukon XL 1500
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Reliable Engine Cylinder Head Gasket Set for GM and Isuzu Vehicles

The Apex AHS3129 engine cylinder head gasket set is designed for precise fitment and dependable sealing performance. Engineered to meet the requirements of various Buick, Cadillac, Chevrolet, GMC, and Isuzu models, this gasket set ensures proper sealing between the cylinder head and engine block.

  • Compatible with Buick Ascender, Cadillac Escalade, Chevrolet Silverado 1500, GMC Sierra 1500, and Isuzu Ascender models
  • Includes all necessary gaskets for cylinder head sealing
  • Engineered for durability and resistance to heat and pressure
  • Part number AHS3129 for accurate identification and fitment
  • Designed to maintain engine compression and prevent leaks

Detailed Description of Apex AHS3129 Cylinder Head Gasket Set

The Apex AHS3129 engine cylinder head gasket set is manufactured to provide a reliable seal between the cylinder head and engine block, critical for maintaining engine compression and preventing coolant or oil leaks. This gasket set is compatible with a range of GM and Isuzu vehicles, including the Chevrolet Avalanche 1500, GMC Yukon XL 1500, Cadillac Escalade, and Buick Rainier. The gaskets are constructed to withstand high temperatures and pressures typical in engine operation, ensuring long-lasting performance. Using the correct gasket set like the AHS3129 helps maintain engine efficiency and prevents costly repairs caused by gasket failure.

Applications and Common Issues Addressed

  • Replacement for worn or damaged cylinder head gaskets in Buick Ascender and GMC Sierra 1500
  • Prevents engine coolant leaks in Chevrolet Silverado 1500 Classic and Cadillac Escalade
  • Maintains proper engine compression in Isuzu Envoy XL and GMC Yukon
  • Addresses oil leaks between cylinder head and engine block in Chevrolet Suburban 1500
  • Helps resolve engine overheating issues related to gasket failure in GMC Savana 3500

Installation Notes and Tips

Ensure the engine block and cylinder head surfaces are clean and free of debris before installation. Follow manufacturer torque specifications when tightening cylinder head bolts to avoid gasket damage. It is recommended to inspect the cylinder head for warping or cracks prior to gasket installation. Using the Apex AHS3129 gasket set with proper installation techniques will help maintain engine integrity and performance.

Quality Assurance and Warranty

Apex manufactures the AHS3129 cylinder head gasket set to meet industry standards for durability and fitment. While specific warranty details are not provided, Apex products typically undergo quality control to ensure reliable sealing performance. Using genuine replacement parts like the AHS3129 helps maintain vehicle reliability and engine health.

This part fits 69 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2008ChevroletExpress 15005.3LV8N/A
2008GMCSavana 15005.3LV8N/A
2007ChevroletExpress 15005.3LV8N/A
2007ChevroletExpress 25004.8LV8N/A
2007ChevroletExpress 35004.8LV8N/A
2007ChevroletSilverado 1500 Classic4.8LV8N/A
2007GMCSavana 15005.3LV8N/A
2007GMCSavana 25004.8LV8N/A
2007GMCSavana 35004.8LV8N/A
2007GMCSierra 1500 Classic4.8LV8N/A
2006ChevroletAvalanche 15005.3LV8N/A
2006ChevroletExpress 15005.3LV8N/A
2006ChevroletExpress 25004.8LV8N/A
2006ChevroletExpress 35004.8LV8N/A
2006ChevroletSilverado 15004.8LV8N/A
2006ChevroletSuburban 15005.3LV8N/A
2006ChevroletTahoe4.8LV8N/A
2006GMCSavana 15005.3LV8N/A
2006GMCSavana 25004.8LV8N/A
2006GMCSavana 35004.8LV8N/A
2006GMCSierra 15004.8LV8N/A
2006GMCYukon4.8LV8N/A
2006GMCYukon XL 15005.3LV8N/A
2005CadillacEscalade5.3LV8N/A
2005ChevroletAvalanche 15005.3LV8N/A
2005ChevroletExpress 15005.3LV8N/A
2005ChevroletExpress 25004.8LV8N/A
2005ChevroletExpress 35004.8LV8N/A
2005ChevroletSilverado 15004.8LV8N/A
2005ChevroletSuburban 15005.3LV8N/A
2005ChevroletTahoe4.8LV8N/A
2005GMCSavana 15005.3LV8N/A
2005GMCSavana 25004.8LV8N/A
2005GMCSavana 35004.8LV8N/A
2005GMCSierra 15004.8LV8N/A
2005GMCYukon4.8LV8N/A
2005GMCYukon XL 15005.3LV8N/A
2004BuickRainier5.3LV8N/A
2004CadillacEscalade5.3LV8N/A
2004ChevroletAvalanche 15005.3LV8N/A
2004ChevroletExpress 15005.3LV8N/A
2004ChevroletExpress 25004.8LV8N/A
2004ChevroletExpress 35004.8LV8N/A
2004ChevroletSilverado 15004.8LV8N/A
2004ChevroletSSR5.3LV8N/A
2004ChevroletSuburban 15005.3LV8N/A
2004ChevroletTahoe4.8LV8N/A
2004ChevroletTrailblazer EXT5.3LV8N/A
2004GMCEnvoy XL5.3LV8N/A
2004GMCEnvoy XUV5.3LV8N/A
2004GMCSavana 15005.3LV8N/A
2004GMCSavana 25004.8LV8N/A
2004GMCSavana 35004.8LV8N/A
2004GMCSierra 15004.8LV8N/A
2004GMCYukon4.8LV8N/A
2004GMCYukon XL 15005.3LV8N/A
2004IsuzuAscender5.3LV8N/A
2003ChevroletSilverado 15005.3LV8FLEXN/A
2003ChevroletSuburban 15005.3LV8FLEXN/A
2003ChevroletTahoe5.3LV8FLEXN/A
2003GMCSierra 15005.3LV8FLEXN/A
2003GMCYukon5.3LV8FLEXN/A
2003GMCYukon XL 15005.3LV8FLEXN/A
2002ChevroletSilverado 15005.3LV8FLEXN/A
2002ChevroletSuburban 15005.3LV8FLEXN/A
2002ChevroletTahoe5.3LV8FLEXN/A
2002GMCSierra 15005.3LV8FLEXN/A
2002GMCYukon5.3LV8FLEXN/A
2002GMCYukon XL 15005.3LV8FLEXN/A

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