Homeโ€บ Engine > Gaskets and Sealing Systemsโ€บ Apex AHG320 Engine Cylinder Head Gasket
Part #: AHG320

Apex AHG320 Engine Cylinder Head Gasket

425 vehicles fit this part
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Fitment: Chevrolet, GMC, Isuzu, Oldsmobile, and Pontiac, Astro, Blazer, Bonneville, Bravada, C10, C1500, C20, C2500, Caprice, Commercial Chassis, El Camino, Express 1500, Express 2500, G10, G20, G30, Grand Prix, Hombre, Impala, Jimmy, K10, K1500, K20, K2500, Monte Carlo, P30, P3500, Parisienne, R10, R1500, R20, R2500, S10, S10 Blazer, S15, S15 Jimmy, Safari, Savana 1500, Savana 2500, Savana 3500, Sierra 1500, Sierra 1500 Classic, Silverado 1500, Silverado 1500 Classic, Sonoma, V10, and V1500
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Reliable Engine Cylinder Head Gasket for Chevrolet and GMC Vehicles

The Apex AHG320 engine cylinder head gasket is designed for precise fitment and dependable sealing in a range of Chevrolet, GMC, Isuzu, Oldsmobile, and Pontiac models. Engineered to maintain optimal compression and prevent leaks, this gasket supports engine performance and longevity.

  • Compatible with Chevrolet, GMC, Isuzu, Oldsmobile, and Pontiac vehicles
  • Fits popular models including Silverado 1500, Blazer, Astro, and Bonneville
  • Part number AHG320 ensures exact replacement fit
  • Constructed to withstand high temperatures and pressures
  • Engineered for effective sealing between cylinder head and engine block

Durable Construction and Precise Fitment

The Apex AHG320 cylinder head gasket is manufactured to meet OEM specifications, providing a reliable seal that prevents coolant, oil, and combustion gases from leaking. This gasket is suitable for various engine types found in Chevrolet C10, GMC Sierra 1500 Classic, Pontiac Grand Prix, and other compatible models. Its design supports engine efficiency by maintaining proper compression and reducing the risk of engine damage caused by leaks or gasket failure.

Compatible Vehicles and Applications

  • Chevrolet models: Astro, Blazer, C10, C20, C1500, C2500, Caprice, El Camino, Express 1500/2500, G10, G20, G30, Impala, Monte Carlo, Silverado 1500, Sonoma, S10, S10 Blazer, S15, Safari, V10, V1500
  • GMC models: Jimmy, K10, K20, K1500, K2500, P30, P3500, Savana 1500/2500/3500, Sierra 1500, Sierra 1500 Classic, Silverado 1500 Classic
  • Isuzu, Oldsmobile, Pontiac models including Bravada, Bonneville, Grand Prix, Parisienne

Common Issues Addressed by the AHG320 Gasket

  • Prevents coolant leaks between cylinder head and engine block
  • Maintains engine compression to avoid power loss
  • Reduces risk of engine overheating due to gasket failure
  • Prevents oil contamination and cross-leaks
  • Helps avoid costly engine repairs related to head gasket damage

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 inspect the cylinder head for cracks or warping prior to gasket replacement. Proper installation will help maintain engine performance and prevent premature gasket failure.

Quality Assurance and Warranty

The Apex AHG320 cylinder head gasket is manufactured under strict quality control standards to meet or exceed OEM requirements. While specific warranty details are not provided, Apex products typically undergo rigorous testing to ensure durability and reliability in demanding engine environments.

This part fits 425 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2014ChevroletExpress 15004.3LV6N/A
2014GMCSavana 15004.3LV6N/A
2013ChevroletExpress 15004.3LV6N/A
2013ChevroletSilverado 15004.3LV6N/A
2013GMCSavana 15004.3LV6N/A
2013GMCSierra 15004.3LV6N/A
2012ChevroletExpress 15004.3LV6N/A
2012ChevroletSilverado 15004.3LV6N/A
2012GMCSavana 15004.3LV6N/A
2012GMCSierra 15004.3LV6N/A
2011ChevroletExpress 15004.3LV6N/A
2011ChevroletSilverado 15004.3LV6N/A
2011GMCSavana 15004.3LV6N/A
2011GMCSierra 15004.3LV6N/A
2010ChevroletExpress 15004.3LV6N/A
2010ChevroletSilverado 15004.3LV6N/A
2010GMCSavana 15004.3LV6N/A
2010GMCSierra 15004.3LV6N/A
2009ChevroletExpress 15004.3LV6N/A
2009ChevroletSilverado 15004.3LV6N/A
2009GMCSavana 15004.3LV6N/A
2009GMCSierra 15004.3LV6N/A
2008ChevroletExpress 15004.3LV6N/A
2008ChevroletSilverado 15004.3LV6N/A
2008GMCSavana 15004.3LV6N/A
2008GMCSierra 15004.3LV6N/A
2007ChevroletExpress 15004.3LV6N/A
2007ChevroletSilverado 15004.3LV6N/A
2007ChevroletSilverado 1500 Classic4.3LV6N/A
2007GMCSavana 15004.3LV6N/A
2007GMCSierra 15004.3LV6N/A
2007GMCSierra 1500 Classic4.3LV6N/A
2006ChevroletExpress 15004.3LV6N/A
2006ChevroletExpress 25004.3LV6N/A
2006ChevroletSilverado 15004.3LV6N/A
2006GMCSavana 15004.3LV6N/A
2006GMCSavana 25004.3LV6N/A
2006GMCSierra 15004.3LV6N/A
2005ChevroletAstro4.3LV6N/A
2005ChevroletBlazer4.3LV6N/A
2005ChevroletExpress 15004.3LV6N/A
2005ChevroletExpress 25004.3LV6N/A
2005ChevroletSilverado 15004.3LV6N/A
2005GMCSafari4.3LV6N/A
2005GMCSavana 15004.3LV6N/A
2005GMCSavana 25004.3LV6N/A
2005GMCSierra 15004.3LV6N/A
2004ChevroletAstro4.3LV6N/A
2004ChevroletBlazer4.3LV6N/A
2004ChevroletExpress 15004.3LV6N/A
2004ChevroletExpress 25004.3LV6N/A
2004ChevroletS104.3LV6N/A
2004ChevroletSilverado 15004.3LV6N/A
2004GMCSafari4.3LV6N/A
2004GMCSavana 15004.3LV6N/A
2004GMCSavana 25004.3LV6N/A
2004GMCSierra 15004.3LV6N/A
2004GMCSonoma4.3LV6N/A
2003ChevroletAstro4.3LV6N/A
2003ChevroletBlazer4.3LV6N/A
2003ChevroletExpress 15004.3LV6N/A
2003ChevroletExpress 25004.3LV6N/A
2003ChevroletS104.3LV6N/A
2003ChevroletSilverado 15004.3LV6N/A
2003GMCSafari4.3LV6N/A
2003GMCSavana 15004.3LV6N/A
2003GMCSavana 25004.3LV6N/A
2003GMCSierra 15004.3LV6N/A
2003GMCSonoma4.3LV6N/A
2002ChevroletAstro4.3LV6N/A
2002ChevroletBlazer4.3LV6N/A
2002ChevroletExpress 15004.3LV6N/A
2002ChevroletExpress 25004.3LV6N/A
2002ChevroletS104.3LV6N/A
2002ChevroletSilverado 15004.3LV6N/A
2002GMCSafari4.3LV6N/A
2002GMCSavana 15004.3LV6N/A
2002GMCSavana 25004.3LV6N/A
2002GMCSavana 35004.3LV6N/A
2002GMCSierra 15004.3LV6N/A
2002GMCSonoma4.3LV6N/A
2001ChevroletAstro4.3LV6N/A
2001ChevroletBlazer4.3LV6N/A
2001ChevroletExpress 15004.3LV6N/A
2001ChevroletExpress 25004.3LV6N/A
2001ChevroletS104.3LV6N/A
2001ChevroletSilverado 15004.3LV6N/A
2001GMCJimmy4.3LV6N/A
2001GMCSafari4.3LV6N/A
2001GMCSavana 15004.3LV6N/A
2001GMCSavana 25004.3LV6N/A
2001GMCSavana 35004.3LV6N/A
2001GMCSierra 15004.3LV6N/A
2001GMCSonoma4.3LV6N/A
2001OldsmobileBravada4.3LV6N/A
2000ChevroletAstro4.3LV6N/A
2000ChevroletBlazer4.3LV6N/A
2000ChevroletExpress 15004.3LV6N/A
2000ChevroletExpress 25004.3LV6N/A
2000ChevroletS104.3LV6N/A
2000ChevroletSilverado 15004.3LV6N/A
2000GMCJimmy4.3LV6N/A
2000GMCSafari4.3LV6N/A
2000GMCSavana 15004.3LV6N/A
2000GMCSavana 25004.3LV6N/A
2000GMCSavana 35004.3LV6N/A
2000GMCSierra 15004.3LV6N/A
2000GMCSonoma4.3LV6N/A
2000IsuzuHombre4.3LV6N/A
2000OldsmobileBravada4.3LV6N/A
1999ChevroletAstro4.3LV6N/A
1999ChevroletBlazer4.3LV6N/A
1999ChevroletExpress 15004.3LV6N/A
1999ChevroletExpress 25004.3LV6N/A
1999ChevroletP304.3LV6N/A
1999ChevroletS104.3LV6N/A
1999ChevroletSilverado 15004.3LV6N/A
1999GMCJimmy4.3LV6N/A
1999GMCP35004.3LV6N/A
1999GMCSafari4.3LV6N/A
1999GMCSavana 15004.3LV6N/A
1999GMCSavana 25004.3LV6N/A
1999GMCSierra 15004.3LV6N/A
1999GMCSonoma4.3LV6N/A
1999IsuzuHombre4.3LV6N/A
1999OldsmobileBravada4.3LV6N/A
1998ChevroletAstro4.3LV6N/A
1998ChevroletBlazer4.3LV6N/A
1998ChevroletC15004.3LV6N/A
1998ChevroletExpress 15004.3LV6N/A
1998ChevroletExpress 25004.3LV6N/A
1998ChevroletK15004.3LV6N/A
1998ChevroletP304.3LV6N/A
1998ChevroletS104.3LV6N/A
1998GMCC15004.3LV6N/A
1998GMCJimmy4.3LV6N/A
1998GMCK15004.3LV6N/A
1998GMCP35004.3LV6N/A
1998GMCSafari4.3LV6N/A
1998GMCSavana 15004.3LV6N/A
1998GMCSavana 25004.3LV6N/A
1998GMCSavana 35004.3LV6N/A
1998GMCSonoma4.3LV6N/A
1998IsuzuHombre4.3LV6N/A
1998OldsmobileBravada4.3LV6N/A
1997ChevroletAstro4.3LV6N/A
1997ChevroletBlazer4.3LV6N/A
1997ChevroletC15004.3LV6N/A
1997ChevroletExpress 15004.3LV6N/A
1997ChevroletExpress 25004.3LV6N/A
1997ChevroletK15004.3LV6N/A
1997ChevroletP304.3LV6N/A
1997ChevroletS104.3LV6N/A
1997GMCC15004.3LV6N/A
1997GMCJimmy4.3LV6N/A
1997GMCK15004.3LV6N/A
1997GMCP35004.3LV6N/A
1997GMCSafari4.3LV6N/A
1997GMCSavana 15004.3LV6N/A
1997GMCSavana 25004.3LV6N/A
1997GMCSavana 35004.3LV6N/A
1997GMCSonoma4.3LV6N/A
1997IsuzuHombre4.3LV6N/A
1997OldsmobileBravada4.3LV6N/A
1996ChevroletAstro4.3LV6N/A
1996ChevroletBlazer4.3LV6N/A
1996ChevroletC15004.3LV6N/A
1996ChevroletExpress 15004.3LV6N/A
1996ChevroletExpress 25004.3LV6N/A
1996ChevroletG304.3LV6N/A
1996ChevroletK15004.3LV6N/A
1996ChevroletP304.3LV6N/A
1996ChevroletS104.3LV6N/A
1996GMCC15004.3LV6N/A
1996GMCJimmy4.3LV6N/A
1996GMCK15004.3LV6N/A
1996GMCP35004.3LV6N/A
1996GMCSafari4.3LV6N/A
1996GMCSavana 15004.3LV6N/A
1996GMCSavana 25004.3LV6N/A
1996GMCSonoma4.3LV6N/A
1996OldsmobileBravada4.3LV6N/A
1995ChevroletAstro4.3LV6N/A
1995ChevroletBlazer4.3LV6N/A
1995ChevroletC15004.3LV6N/A
1995ChevroletC25004.3LV6N/A
1995ChevroletG104.3LV6N/A
1995ChevroletG204.3LV6N/A
1995ChevroletG304.3LV6N/A
1995ChevroletK15004.3LV6N/A
1995ChevroletK25004.3LV6N/A
1995ChevroletP304.3LV6N/A
1995ChevroletS104.3LV6N/A
1995GMCC15004.3LV6N/A
1995GMCC25004.3LV6N/A
1995GMCG15004.3LV6N/A
1995GMCG25004.3LV6N/A
1995GMCG35004.3LV6N/A
1995GMCJimmy4.3LV6N/A
1995GMCK15004.3LV6N/A
1995GMCK25004.3LV6N/A
1995GMCP35004.3LV6N/A
1995GMCSafari4.3LV6N/A
1995GMCSonoma4.3LV6N/A
1994ChevroletAstro4.3LV6N/A
1994ChevroletC15004.3LV6N/A
1994ChevroletC25004.3LV6N/A
1994ChevroletG104.3LV6N/A
1994ChevroletG204.3LV6N/A
1994ChevroletG304.3LV6N/A
1994ChevroletK15004.3LV6N/A
1994ChevroletK25004.3LV6N/A
1994ChevroletP304.3LV6N/A
1994ChevroletS104.3LV6N/A
1994ChevroletS10 Blazer4.3LV6N/A
1994GMCC15004.3LV6N/A
1994GMCC25004.3LV6N/A
1994GMCG15004.3LV6N/A
1994GMCG25004.3LV6N/A
1994GMCG35004.3LV6N/A
1994GMCJimmy4.3LV6N/A
1994GMCK15004.3LV6N/A
1994GMCK25004.3LV6N/A
1994GMCP35004.3LV6N/A
1994GMCSafari4.3LV6N/A
1994GMCSonoma4.3LV6N/A
1994OldsmobileBravada4.3LV6N/A
1993ChevroletAstro4.3LV6N/A
1993ChevroletC15004.3LV6N/A
1993ChevroletC25004.3LV6N/A
1993ChevroletCaprice4.3LV6N/A
1993ChevroletG104.3LV6N/A
1993ChevroletG204.3LV6N/A
1993ChevroletG304.3LV6N/A
1993ChevroletK15004.3LV6N/A
1993ChevroletK25004.3LV6N/A
1993ChevroletP304.3LV6N/A
1993ChevroletS104.3LV6N/A
1993ChevroletS10 Blazer4.3LV6N/A
1993GMCC15004.3LV6N/A
1993GMCC25004.3LV6N/A
1993GMCG15004.3LV6N/A
1993GMCG25004.3LV6N/A
1993GMCG35004.3LV6N/A
1993GMCJimmy4.3LV6N/A
1993GMCK15004.3LV6N/A
1993GMCK25004.3LV6N/A
1993GMCP35004.3LV6N/A
1993GMCSafari4.3LV6N/A
1993GMCSonoma4.3LV6N/A
1993OldsmobileBravada4.3LV6N/A
1992ChevroletAstro4.3LV6N/A
1992ChevroletC15004.3LV6N/A
1992ChevroletC25004.3LV6N/A
1992ChevroletCaprice4.3LV6N/A
1992ChevroletCommercial Chassis4.3LV6N/A
1992ChevroletG104.3LV6N/A
1992ChevroletG204.3LV6N/A
1992ChevroletG304.3LV6N/A
1992ChevroletK15004.3LV6N/A
1992ChevroletK25004.3LV6N/A
1992ChevroletP304.3LV6N/A
1992ChevroletS104.3LV6N/A
1992ChevroletS10 Blazer4.3LV6N/A
1992GMCC15004.3LV6N/A
1992GMCC25004.3LV6N/A
1992GMCG15004.3LV6N/A
1992GMCG25004.3LV6N/A
1992GMCG35004.3LV6N/A
1992GMCJimmy4.3LV6N/A
1992GMCK15004.3LV6N/A
1992GMCK25004.3LV6N/A
1992GMCP35004.3LV6N/A
1992GMCSafari4.3LV6N/A
1992GMCSonoma4.3LV6N/A
1992OldsmobileBravada4.3LV6N/A
1991ChevroletAstro4.3LV6N/A
1991ChevroletC15004.3LV6N/A
1991ChevroletC25004.3LV6N/A
1991ChevroletG104.3LV6N/A
1991ChevroletG204.3LV6N/A
1991ChevroletG304.3LV6N/A
1991ChevroletK15004.3LV6N/A
1991ChevroletK25004.3LV6N/A
1991ChevroletP304.3LV6N/A
1991ChevroletS104.3LV6N/A
1991ChevroletS10 Blazer4.3LV6N/A
1991GMCC15004.3LV6N/A
1991GMCC25004.3LV6N/A
1991GMCG15004.3LV6N/A
1991GMCG25004.3LV6N/A
1991GMCG35004.3LV6N/A
1991GMCK15004.3LV6N/A
1991GMCK25004.3LV6N/A
1991GMCP35004.3LV6N/A
1991GMCS15 Jimmy4.3LV6N/A
1991GMCSafari4.3LV6N/A
1991GMCSonoma4.3LV6N/A
1991OldsmobileBravada4.3LV6N/A
1990ChevroletAstro4.3LV6N/A
1990ChevroletC15004.3LV6N/A
1990ChevroletC25004.3LV6N/A
1990ChevroletCaprice4.3LV6N/A
1990ChevroletG104.3LV6N/A
1990ChevroletG204.3LV6N/A
1990ChevroletG304.3LV6N/A
1990ChevroletK15004.3LV6N/A
1990ChevroletK25004.3LV6N/A
1990ChevroletP304.3LV6N/A
1990ChevroletS104.3LV6N/A
1990ChevroletS10 Blazer4.3LV6N/A
1990GMCC15004.3LV6N/A
1990GMCC25004.3LV6N/A
1990GMCG15004.3LV6N/A
1990GMCG25004.3LV6N/A
1990GMCG35004.3LV6N/A
1990GMCK15004.3LV6N/A
1990GMCK25004.3LV6N/A
1990GMCP35004.3LV6N/A
1990GMCS154.3LV6N/A
1990GMCS15 Jimmy4.3LV6N/A
1990GMCSafari4.3LV6N/A
1989ChevroletAstro4.3LV6N/A
1989ChevroletC15004.3LV6N/A
1989ChevroletC25004.3LV6N/A
1989ChevroletCaprice4.3LV6N/A
1989ChevroletG104.3LV6N/A
1989ChevroletG204.3LV6N/A
1989ChevroletG304.3LV6N/A
1989ChevroletK15004.3LV6N/A
1989ChevroletK25004.3LV6N/A
1989ChevroletS104.3LV6N/A
1989ChevroletS10 Blazer4.3LV6N/A
1989GMCC15004.3LV6N/A
1989GMCC25004.3LV6N/A
1989GMCG15004.3LV6N/A
1989GMCG25004.3LV6N/A
1989GMCG35004.3LV6N/A
1989GMCK15004.3LV6N/A
1989GMCK25004.3LV6N/A
1989GMCS154.3LV6N/A
1989GMCS15 Jimmy4.3LV6N/A
1989GMCSafari4.3LV6N/A
1988ChevroletAstro4.3LV6N/A
1988ChevroletC15004.3LV6N/A
1988ChevroletC25004.3LV6N/A
1988ChevroletCaprice4.3LV6N/A
1988ChevroletG104.3LV6N/A
1988ChevroletG204.3LV6N/A
1988ChevroletG304.3LV6N/A
1988ChevroletK15004.3LV6N/A
1988ChevroletK25004.3LV6N/A
1988ChevroletMonte Carlo4.3LV6N/A
1988ChevroletR204.3LV6N/A
1988ChevroletS104.3LV6N/A
1988ChevroletS10 Blazer4.3LV6N/A
1988GMCC15004.3LV6N/A
1988GMCC25004.3LV6N/A
1988GMCG15004.3LV6N/A
1988GMCG25004.3LV6N/A
1988GMCG35004.3LV6N/A
1988GMCK15004.3LV6N/A
1988GMCK25004.3LV6N/A
1988GMCS154.3LV6N/A
1988GMCS15 Jimmy4.3LV6N/A
1988GMCSafari4.3LV6N/A
1987ChevroletAstro4.3LV6N/A
1987ChevroletCaprice4.3LV6N/A
1987ChevroletEl Camino4.3LV6N/A
1987ChevroletG104.3LV6N/A
1987ChevroletG204.3LV6N/A
1987ChevroletG304.3LV6N/A
1987ChevroletMonte Carlo4.3LV6N/A
1987ChevroletR104.3LV6N/A
1987ChevroletR204.3LV6N/A
1987ChevroletV104.3LV6N/A
1987GMCG15004.3LV6N/A
1987GMCG25004.3LV6N/A
1987GMCG35004.3LV6N/A
1987GMCR15004.3LV6N/A
1987GMCR25004.3LV6N/A
1987GMCSafari4.3LV6N/A
1987GMCV15004.3LV6N/A
1987PontiacGrand Prix4.3LV6N/A
1986ChevroletAstro4.3LV6N/A
1986ChevroletC104.3LV6N/A
1986ChevroletC204.3LV6N/A
1986ChevroletCaprice4.3LV6N/A
1986ChevroletEl Camino4.3LV6N/A
1986ChevroletG104.3LV6N/A
1986ChevroletG204.3LV6N/A
1986ChevroletG304.3LV6N/A
1986ChevroletK104.3LV6N/A
1986ChevroletMonte Carlo4.3LV6N/A
1986GMCC15004.3LV6N/A
1986GMCC25004.3LV6N/A
1986GMCG15004.3LV6N/A
1986GMCG25004.3LV6N/A
1986GMCG35004.3LV6N/A
1986GMCK15004.3LV6N/A
1986GMCSafari4.3LV6N/A
1986PontiacBonneville4.3LV6N/A
1986PontiacGrand Prix4.3LV6N/A
1986PontiacParisienne4.3LV6N/A
1985ChevroletAstro4.3LV6N/A
1985ChevroletC104.3LV6N/A
1985ChevroletC204.3LV6N/A
1985ChevroletCaprice4.3LV6N/A
1985ChevroletEl Camino4.3LV6N/A
1985ChevroletG104.3LV6N/A
1985ChevroletG204.3LV6N/A
1985ChevroletG304.3LV6N/A
1985ChevroletImpala4.3LV6N/A
1985ChevroletK104.3LV6N/A
1985ChevroletK204.3LV6N/A
1985ChevroletMonte Carlo4.3LV6N/A
1985GMCC15004.3LV6N/A
1985GMCC25004.3LV6N/A
1985GMCG15004.3LV6N/A
1985GMCG25004.3LV6N/A
1985GMCG35004.3LV6N/A
1985GMCK15004.3LV6N/A
1985GMCK25004.3LV6N/A
1985GMCSafari4.3LV6N/A
1985PontiacParisienne4.3LV6N/A

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