HomeEngine > Gaskets and Sealing SystemsApex AHS3085 Engine Cylinder Head Gasket Set
Part #: AHS3085

Apex AHS3085 Engine Cylinder Head Gasket Set

⚙️ 26 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Cadillac, Chevrolet, GMC, and Isuzu, Ascender, Avalanche 1500, Envoy XL, Escalade, Express 1500, Express 2500, Express 3500, Savana 1500, Savana 2500, Savana 3500, Sierra 1500, Silverado 1500, 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 AHS3085 engine cylinder head gasket set is designed to provide a precise seal for your engine, ensuring optimal performance and durability. Compatible with a range of Cadillac, Chevrolet, GMC, and Isuzu models, this gasket set is engineered to meet the demands of your vehicle's engine.

  • Complete engine cylinder head gasket set for comprehensive sealing
  • Compatible with Cadillac Escalade, Chevrolet Silverado 1500, GMC Sierra 1500, and Isuzu Ascender
  • Part number AHS3085 for easy identification and ordering
  • Engineered to maintain proper compression and prevent leaks
  • Durable materials designed to withstand high temperatures and pressures

Durable Construction and Precise Fitment

The Apex AHS3085 gasket set is manufactured to exact specifications to ensure a proper fit on multiple GM and Isuzu vehicles, including the Chevrolet Avalanche 1500, GMC Yukon XL 1500, and Cadillac Escalade. This gasket set helps maintain engine integrity by providing a reliable seal between the cylinder head and engine block, preventing coolant, oil, and combustion gases from leaking. Its durable construction supports long-term engine performance under demanding conditions.

Compatible Vehicles and Applications

This engine cylinder head gasket set is compatible with the following makes and models:

  • Cadillac Escalade
  • Chevrolet Avalanche 1500, Silverado 1500, Suburban 1500, Tahoe, Trailblazer EXT, SSR
  • GMC Sierra 1500, Yukon, Yukon XL 1500
  • Isuzu Ascender, Envoy XL
  • Chevrolet Express 1500, 2500, 3500 and GMC Savana 1500, 2500, 3500

Common Engine Issues Addressed

  • Prevents head gasket leaks causing coolant or oil contamination
  • Maintains engine compression for consistent power output
  • Reduces risk of engine overheating due to sealing failures
  • Helps avoid exhaust gas leaks that can affect emissions and performance
  • Supports engine longevity by ensuring proper sealing under pressure

Installation Notes and Tips

When installing the Apex AHS3085 cylinder head 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 replace all gaskets in the set simultaneously to maintain optimal sealing performance.

Quality Assurance and Warranty

Apex manufactures the AHS3085 gasket set to meet industry standards for durability and fitment. While specific warranty details are not provided, Apex products typically undergo rigorous quality control to ensure reliability in automotive applications.

This part fits 26 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2003CadillacEscalade5.3LV8N/A
2003ChevroletAvalanche 15005.3LV8N/A
2003ChevroletExpress 15005.3LV8N/A
2003ChevroletExpress 25004.8LV8N/A
2003ChevroletExpress 35004.8LV8N/A
2003ChevroletSilverado 15004.8LV8N/A
2003ChevroletSSR5.3LV8N/A
2003ChevroletSuburban 15005.3LV8GASN/A
2003ChevroletTahoe4.8LV8N/A
2003ChevroletTrailblazer EXT5.3LV8N/A
2003GMCEnvoy XL5.3LV8N/A
2003GMCSavana 15005.3LV8N/A
2003GMCSavana 25004.8LV8N/A
2003GMCSavana 35004.8LV8N/A
2003GMCSierra 15004.8LV8N/A
2003GMCYukon4.8LV8N/A
2003GMCYukon XL 15005.3LV8GASN/A
2003IsuzuAscender5.3LV8N/A
2002CadillacEscalade5.3LV8N/A
2002ChevroletAvalanche 15005.3LV8N/A
2002ChevroletSilverado 15004.8LV8N/A
2002ChevroletSuburban 15005.3LV8GASN/A
2002ChevroletTahoe4.8LV8N/A
2002GMCSierra 15004.8LV8N/A
2002GMCYukon4.8LV8N/A
2002GMCYukon XL 15005.3LV8GASN/A

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