HomeEngine > Gaskets and Sealing SystemsApex AHS3151 Engine Cylinder Head Gasket Set
Part #: AHS3151

Apex AHS3151 Engine Cylinder Head Gasket Set

⚙️ 185 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Cadillac, Chevrolet, GMC, and Hummer, Avalanche, Escalade, Escalade ESV, Escalade EXT, Express 2500, Express 3500, H2, Savana 2500, Savana 3500, Sierra 1500, Sierra 2500 HD, Sierra 3500 HD, Silverado 1500, Silverado 2500 HD, Silverado 3500 HD, Suburban 1500, Suburban 2500, Suburban 3500 HD, Tahoe, Yukon, Yukon XL 1500, and Yukon XL 2500
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Reliable Engine Cylinder Head Gasket Set for GM Trucks and SUVs

The Apex AHS3151 engine cylinder head gasket set is designed for a precise fit on select Cadillac, Chevrolet, GMC, and Hummer models. This gasket set ensures proper sealing and engine performance for vehicles such as the Chevrolet Silverado 1500 and GMC Sierra 2500 HD.

  • Complete engine cylinder head gasket set for comprehensive sealing
  • Compatible with multiple GM makes including Cadillac, Chevrolet, GMC, and Hummer
  • Fitment includes popular models like Escalade, Suburban, Tahoe, Yukon, and Avalanche
  • Part number AHS3151 ensures exact replacement for specified vehicles
  • Engineered to maintain optimal compression and prevent leaks

Durable Gasket Set Designed for GM V8 Engines

The Apex AHS3151 gasket set is engineered to meet the sealing requirements of heavy-duty and performance engines found in GM trucks and SUVs. This set provides a reliable seal between the cylinder head and engine block, helping to maintain engine compression and prevent coolant or oil leaks. Compatible with models such as the Cadillac Escalade EXT and Chevrolet Suburban 3500 HD, this gasket set supports engine longevity and consistent operation under demanding conditions.

Compatible Vehicles and Applications

  • Cadillac Escalade, Escalade ESV, Escalade EXT
  • Chevrolet Avalanche, Silverado 1500, Silverado 2500 HD, Silverado 3500 HD, Suburban 1500, Suburban 2500, Suburban 3500 HD, Tahoe
  • GMC Sierra 1500, Sierra 2500 HD, Sierra 3500 HD, Yukon, Yukon XL 1500, Yukon XL 2500
  • Hummer H2
  • Chevrolet Express 2500, Express 3500 and GMC Savana 2500, Savana 3500

Common Engine Issues Addressed by This Gasket Set

  • Prevents head gasket leaks causing coolant or oil mixing
  • Maintains engine compression for consistent power output
  • Reduces risk of engine overheating due to sealing failures
  • Helps avoid engine misfires related to gasket failure
  • Supports engine durability under heavy load and towing conditions

Installation Notes and Tips

Ensure the cylinder head and engine block surfaces are clean and free of debris before installation. Follow manufacturer torque specifications when tightening head bolts to avoid warping or gasket damage. It is recommended to replace the head gasket set during any major engine overhaul or cylinder head service to maintain optimal sealing performance.

Quality Assurance and Warranty

The Apex AHS3151 engine cylinder head gasket set is manufactured to meet OEM standards for fit and function. While specific warranty details are not provided, Apex products typically undergo rigorous quality control to ensure durability and reliability in demanding automotive applications.

This part fits 185 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2020ChevroletExpress 25006.0LV8N/A
2020ChevroletExpress 35006.0LV8N/A
2020GMCSavana 25006.0LV8N/A
2020GMCSavana 35006.0LV8N/A
2019ChevroletExpress 25006.0LV8N/A
2019ChevroletExpress 35006.0LV8N/A
2019ChevroletSilverado 2500 HD6.0LV8N/A
2019ChevroletSilverado 3500 HD6.0LV8N/A
2019ChevroletSuburban 3500 HD6.0LV8N/A
2019GMCSavana 25006.0LV8N/A
2019GMCSavana 35006.0LV8N/A
2019GMCSierra 2500 HD6.0LV8N/A
2019GMCSierra 3500 HD6.0LV8N/A
2018ChevroletExpress 25006.0LV8N/A
2018ChevroletExpress 35006.0LV8N/A
2018ChevroletSilverado 2500 HD6.0LV8N/A
2018ChevroletSilverado 3500 HD6.0LV8N/A
2018ChevroletSuburban 3500 HD6.0LV8N/A
2018GMCSavana 25006.0LV8N/A
2018GMCSavana 35006.0LV8N/A
2018GMCSierra 2500 HD6.0LV8N/A
2018GMCSierra 3500 HD6.0LV8N/A
2017ChevroletExpress 25006.0LV8N/A
2017ChevroletExpress 35006.0LV8N/A
2017ChevroletSilverado 2500 HD6.0LV8N/A
2017ChevroletSilverado 3500 HD6.0LV8N/A
2017ChevroletSuburban 3500 HD6.0LV8N/A
2017GMCSavana 25006.0LV8N/A
2017GMCSavana 35006.0LV8N/A
2017GMCSierra 2500 HD6.0LV8N/A
2017GMCSierra 3500 HD6.0LV8N/A
2016ChevroletExpress 25006.0LV8N/A
2016ChevroletExpress 35006.0LV8N/A
2016ChevroletSilverado 2500 HD6.0LV8N/A
2016ChevroletSilverado 3500 HD6.0LV8N/A
2016ChevroletSuburban 3500 HD6.0LV8N/A
2016GMCSavana 25006.0LV8N/A
2016GMCSavana 35006.0LV8N/A
2016GMCSierra 2500 HD6.0LV8N/A
2016GMCSierra 3500 HD6.0LV8N/A
2015ChevroletExpress 25006.0LV8N/A
2015ChevroletExpress 35006.0LV8N/A
2015ChevroletSilverado 2500 HD6.0LV8N/A
2015ChevroletSilverado 3500 HD6.0LV8N/A
2015GMCSavana 25006.0LV8N/A
2015GMCSavana 35006.0LV8N/A
2015GMCSierra 2500 HD6.0LV8N/A
2015GMCSierra 3500 HD6.0LV8N/A
2014CadillacEscalade6.2LV8N/A
2014CadillacEscalade ESV6.2LV8N/A
2014ChevroletExpress 25006.0LV8N/A
2014ChevroletExpress 35006.0LV8N/A
2014ChevroletSilverado 2500 HD6.0LV8N/A
2014ChevroletSilverado 3500 HD6.0LV8N/A
2014GMCSavana 25006.0LV8N/A
2014GMCSavana 35006.0LV8N/A
2014GMCSierra 2500 HD6.0LV8N/A
2014GMCSierra 3500 HD6.0LV8N/A
2014GMCYukon6.2LV8N/A
2014GMCYukon XL 15006.2LV8N/A
2013CadillacEscalade6.2LV8N/A
2013CadillacEscalade ESV6.2LV8N/A
2013CadillacEscalade EXT6.2LV8N/A
2013ChevroletExpress 25006.0LV8N/A
2013ChevroletExpress 35006.0LV8N/A
2013ChevroletSilverado 15006.2LV8N/Aw/Rectangular ports
2013ChevroletSilverado 2500 HD6.0LV8N/A
2013ChevroletSilverado 3500 HD6.0LV8N/A
2013ChevroletSuburban 25006.0LV8N/A
2013GMCSavana 25006.0LV8N/A
2013GMCSavana 35006.0LV8N/A
2013GMCSierra 15006.2LV8N/ARectangular ports
2013GMCSierra 2500 HD6.0LV8N/A
2013GMCSierra 3500 HD6.0LV8N/A
2013GMCYukon6.2LV8N/A
2013GMCYukon XL 15006.2LV8N/A
2013GMCYukon XL 25006.0LV8N/A
2012CadillacEscalade6.2LV8N/A
2012CadillacEscalade ESV6.2LV8N/A
2012CadillacEscalade EXT6.2LV8N/A
2012ChevroletExpress 25006.0LV8N/A
2012ChevroletExpress 35006.0LV8N/A
2012ChevroletSilverado 15006.2LV8N/Aw/Rectangular ports
2012ChevroletSilverado 2500 HD6.0LV8N/A
2012ChevroletSilverado 3500 HD6.0LV8N/A
2012ChevroletSuburban 25006.0LV8N/A
2012GMCSavana 25006.0LV8N/A
2012GMCSavana 35006.0LV8N/A
2012GMCSierra 15006.2LV8N/ARectangular ports
2012GMCSierra 2500 HD6.0LV8N/A
2012GMCSierra 3500 HD6.0LV8N/A
2012GMCYukon6.2LV8N/A
2012GMCYukon XL 15006.2LV8N/A
2012GMCYukon XL 25006.0LV8N/A
2011CadillacEscalade6.2LV8N/A
2011CadillacEscalade ESV6.2LV8N/A
2011CadillacEscalade EXT6.2LV8N/A
2011ChevroletExpress 25006.0LV8N/A
2011ChevroletExpress 35006.0LV8N/A
2011ChevroletSilverado 15006.2LV8N/Aw/Rectangular ports
2011ChevroletSilverado 2500 HD6.0LV8N/A
2011ChevroletSilverado 3500 HD6.0LV8N/A
2011ChevroletSuburban 25006.0LV8N/A
2011GMCSavana 25006.0LV8N/A
2011GMCSavana 35006.0LV8N/A
2011GMCSierra 15006.2LV8N/ARectangular ports
2011GMCSierra 2500 HD6.0LV8N/A
2011GMCSierra 3500 HD6.0LV8N/A
2011GMCYukon6.2LV8N/A
2011GMCYukon XL 15006.2LV8N/A
2011GMCYukon XL 25006.0LV8N/A
2010CadillacEscalade6.2LV8N/A
2010CadillacEscalade ESV6.2LV8N/A
2010CadillacEscalade EXT6.2LV8N/A
2010ChevroletExpress 25006.0LV8N/A
2010ChevroletExpress 35006.0LV8N/A
2010ChevroletSilverado 15006.2LV8N/Aw/Rectangular ports
2010ChevroletSilverado 2500 HD6.0LV8N/A
2010ChevroletSilverado 3500 HD6.0LV8N/A
2010ChevroletSuburban 25006.0LV8N/A
2010GMCSavana 25006.0LV8N/A
2010GMCSavana 35006.0LV8N/A
2010GMCSierra 15006.2LV8N/ARectangular ports
2010GMCSierra 2500 HD6.0LV8N/A
2010GMCSierra 3500 HD6.0LV8N/A
2010GMCYukon6.2LV8N/A
2010GMCYukon XL 15006.2LV8N/A
2010GMCYukon XL 25006.0LV8N/A
2009CadillacEscalade6.2LV8N/A
2009CadillacEscalade ESV6.2LV8N/A
2009CadillacEscalade EXT6.2LV8N/A
2009ChevroletAvalanche6.0LV8N/A
2009ChevroletExpress 25006.0LV8N/A
2009ChevroletExpress 35006.0LV8N/A
2009ChevroletSilverado 15006.0LV8GASN/A
2009ChevroletSilverado 2500 HD6.0LV8N/A
2009ChevroletSilverado 3500 HD6.0LV8N/A
2009ChevroletSuburban 15006.0LV8N/A
2009ChevroletSuburban 25006.0LV8N/A
2009ChevroletTahoe6.2LV8N/A
2009GMCSavana 25006.0LV8N/A
2009GMCSavana 35006.0LV8N/A
2009GMCSierra 15006.0LV8N/A
2009GMCSierra 2500 HD6.0LV8N/A
2009GMCSierra 3500 HD6.0LV8N/A
2009GMCYukon6.2LV8N/A
2009GMCYukon XL 15006.0LV8N/A
2009GMCYukon XL 25006.0LV8N/A
2009HummerH26.2LV8N/A
2008CadillacEscalade6.2LV8N/A
2008CadillacEscalade ESV6.2LV8N/A
2008CadillacEscalade EXT6.2LV8N/A
2008ChevroletAvalanche6.0LV8N/A
2008ChevroletExpress 25006.0LV8N/A
2008ChevroletExpress 35006.0LV8N/A
2008ChevroletSilverado 15006.0LV8N/A
2008ChevroletSilverado 2500 HD6.0LV8N/A
2008ChevroletSilverado 3500 HD6.0LV8N/A
2008ChevroletSuburban 15006.0LV8N/A
2008ChevroletSuburban 25006.0LV8N/A
2008ChevroletTahoe6.2LV8N/A
2008GMCSavana 25006.0LV8N/A
2008GMCSavana 35006.0LV8N/A
2008GMCSierra 15006.0LV8N/A
2008GMCSierra 2500 HD6.0LV8N/A
2008GMCSierra 3500 HD6.0LV8N/A
2008GMCYukon6.2LV8N/A
2008GMCYukon XL 15006.0LV8N/A
2008GMCYukon XL 25006.0LV8N/A
2008HummerH26.2LV8N/A
2007CadillacEscalade6.2LV8N/A
2007CadillacEscalade ESV6.2LV8N/A
2007CadillacEscalade EXT6.2LV8N/A
2007ChevroletAvalanche6.0LV8N/A
2007ChevroletSilverado 15006.0LV8N/A
2007ChevroletSilverado 2500 HD6.0LV8N/A
2007ChevroletSilverado 3500 HD6.0LV8N/A
2007ChevroletSuburban 15006.0LV8N/A
2007ChevroletSuburban 25006.0LV8N/A
2007GMCSierra 15006.0LV8N/A
2007GMCSierra 2500 HD6.0LV8N/A
2007GMCSierra 3500 HD6.0LV8N/A
2007GMCYukon6.2LV8N/A
2007GMCYukon XL 15006.0LV8N/A
2007GMCYukon XL 25006.0LV8N/A

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