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Apex AMS3812 Exhaust Manifold Gasket SetOE Quality 60-Day Returns
Part #: AMS3812

Apex AMS3812 Exhaust Manifold Gasket Set

⚙️ 125 vehicles fit this part
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🚗Fitment: Chevrolet and GMC, Avalanche 2500, C2500, C2500 Suburban, C3500, Express 3500, G30, G3500, K2500, K2500 Suburban, K3500, P30, P3500, Savana 3500, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500, Sierra 3500 Classic, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500, Silverado 3500 Classic, Suburban 2500, and Yukon XL 2500
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Apex AMS3812 Exhaust Manifold Gasket Set

The Apex AMS3812 exhaust manifold gasket set provides a direct sealing solution for GM trucks and vans that need a reliable exhaust manifold-to-cylinder head seal. It is a fitment-based replacement for a wide range of Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, and related applications.

  • Exhaust manifold gasket set for sealing the manifold to the engine cylinder head
  • Compatible with 1996-2007 Chevrolet and GMC truck, van, and chassis cab applications listed below
  • Fits 2001-2006 Chevrolet Silverado 2500 HD, N/A
  • Fits 2001-2006 GMC Sierra 3500, N/A
  • Fits 1996-2002 Chevrolet Express 3500, N/A
  • Part number AMS3812 for catalog and service matching

Vehicle Fitment

  • Fits 2007 Chevrolet Silverado 2500 HD Classic, N/A
  • Fits 2007 Chevrolet Silverado 3500 Classic, N/A
  • Fits 2007 GMC Sierra 2500 HD Classic, N/A
  • Fits 2007 GMC Sierra 3500 Classic, N/A
  • Fits 2002-2006 Chevrolet Avalanche 2500, N/A
  • Fits 2001-2006 Chevrolet Silverado 2500 HD, N/A
  • Fits 2001-2006 Chevrolet Silverado 3500, N/A
  • Fits 2001-2006 Chevrolet Suburban 2500, N/A
  • Fits 2001-2006 GMC Sierra 2500 HD, N/A
  • Fits 2001-2006 GMC Sierra 3500, N/A
  • Fits 2001-2006 GMC Yukon XL 2500, N/A
  • Fits 1996-2002 Chevrolet Express 3500, N/A
  • Fits 1996-2002 GMC Savana 3500, N/A
  • Fits 1996-2000 Chevrolet C2500, N/A
  • Fits 1996-2000 Chevrolet C3500, N/A
  • Fits 1996-2000 Chevrolet K2500, N/A
  • Fits 1996-2000 Chevrolet K3500, N/A
  • Fits 1996-2000 GMC C2500, N/A
  • Fits 1996-2000 GMC C3500, N/A
  • Fits 1996-2000 GMC K2500, N/A
  • Fits 1996-2000 GMC K3500, N/A
  • Fits 1996-1999 Chevrolet C2500 Suburban, N/A
  • Fits 1996-1999 Chevrolet K2500 Suburban, N/A
  • Fits 1996-1999 Chevrolet P30, N/A
  • Fits 1996-1999 GMC C2500 Suburban, N/A
  • Fits 1996-1999 GMC K2500 Suburban, N/A
  • Fits 1996-1999 GMC P3500, N/A
  • Fits 1996 Chevrolet G30, N/A
  • Fits 1996 GMC G3500, N/A

Common Uses

  • Replacing a leaking exhaust manifold gasket on Chevrolet Silverado 2500 HD or GMC Sierra 2500 HD
  • Restoring exhaust sealing on Chevrolet Express 3500 and GMC Savana 3500 vans
  • Addressing exhaust leaks on C/K-series trucks and Suburban 2500 models
  • Repairing manifold sealing issues that can trigger exhaust noise or odor at the engine bay
  • Supporting service work on 1996-2007 GM truck and van exhaust systems

Installation Notes

Confirm engine and application details against the vehicle listing before installation. Clean the manifold and cylinder head sealing surfaces thoroughly, inspect for warpage or damage, and follow the service manual torque sequence during reassembly. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Quality Assurance

Apex part AMS3812 is cataloged as an exhaust manifold gasket set for the listed GM applications. Verify fitment by year, make, and model before ordering to ensure the correct sealing solution for your vehicle.

This part fits 125 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2007ChevroletSilverado 2500 HD Classic8.1LV8N/A
2007ChevroletSilverado 3500 Classic8.1LV8N/A
2007GMCSierra 2500 HD Classic8.1LV8N/A
2007GMCSierra 3500 Classic8.1LV8N/A
2006ChevroletAvalanche 25008.1LV8N/A
2006ChevroletSilverado 2500 HD8.1LV8N/A
2006ChevroletSilverado 35008.1LV8N/A
2006ChevroletSuburban 25008.1LV8N/A
2006GMCSierra 2500 HD8.1LV8N/A
2006GMCSierra 35008.1LV8N/A
2006GMCYukon XL 25008.1LV8N/A
2005ChevroletAvalanche 25008.1LV8N/A
2005ChevroletSilverado 2500 HD8.1LV8N/A
2005ChevroletSilverado 35008.1LV8N/A
2005ChevroletSuburban 25008.1LV8N/A
2005GMCSierra 2500 HD8.1LV8N/A
2005GMCSierra 35008.1LV8N/A
2005GMCYukon XL 25008.1LV8N/A
2004ChevroletAvalanche 25008.1LV8N/A
2004ChevroletSilverado 2500 HD8.1LV8N/A
2004ChevroletSilverado 35008.1LV8N/A
2004ChevroletSuburban 25008.1LV8N/A
2004GMCSierra 2500 HD8.1LV8N/A
2004GMCSierra 35008.1LV8N/A
2004GMCYukon XL 25008.1LV8N/A
2003ChevroletAvalanche 25008.1LV8N/A
2003ChevroletSilverado 2500 HD8.1LV8N/A
2003ChevroletSilverado 35008.1LV8N/A
2003ChevroletSuburban 25008.1LV8N/A
2003GMCSierra 2500 HD8.1LV8N/A
2003GMCSierra 35008.1LV8N/A
2003GMCYukon XL 25008.1LV8N/A
2002ChevroletAvalanche 25008.1LV8N/A
2002ChevroletExpress 35008.1LV8N/A
2002ChevroletSilverado 2500 HD8.1LV8N/A
2002ChevroletSilverado 35008.1LV8N/A
2002ChevroletSuburban 25008.1LV8N/A
2002GMCSavana 35008.1LV8N/A
2002GMCSierra 2500 HD8.1LV8N/A
2002GMCSierra 35008.1LV8N/A
2002GMCYukon XL 25008.1LV8N/A
2001ChevroletExpress 35008.1LV8N/A
2001ChevroletSilverado 2500 HD8.1LV8N/A
2001ChevroletSilverado 35008.1LV8N/A
2001ChevroletSuburban 25008.1LV8N/A
2001GMCSavana 35008.1LV8N/A
2001GMCSierra 2500 HD8.1LV8N/A
2001GMCSierra 35008.1LV8N/A
2001GMCYukon XL 25008.1LV8N/A
2000ChevroletC25007.4LV8N/A
2000ChevroletC35007.4LV8N/A
2000ChevroletExpress 35007.4LV8N/A
2000ChevroletK25007.4LV8N/A
2000ChevroletK35007.4LV8N/A
2000GMCC25007.4LV8N/A
2000GMCC35007.4LV8N/A
2000GMCK25007.4LV8N/A
2000GMCK35007.4LV8N/A
2000GMCSavana 35007.4LV8N/A
1999ChevroletC25007.4LV8N/A
1999ChevroletC2500 Suburban7.4LV8N/A
1999ChevroletC35007.4LV8N/A
1999ChevroletExpress 35007.4LV8N/A
1999ChevroletK25007.4LV8N/A
1999ChevroletK2500 Suburban7.4LV8N/A
1999ChevroletK35007.4LV8N/A
1999ChevroletP307.4LV8N/A
1999GMCC25007.4LV8N/A
1999GMCC2500 Suburban7.4LV8N/A
1999GMCC35007.4LV8N/A
1999GMCK25007.4LV8N/A
1999GMCK2500 Suburban7.4LV8N/A
1999GMCK35007.4LV8N/A
1999GMCP35007.4LV8N/A
1999GMCSavana 35007.4LV8N/A
1998ChevroletC25007.4LV8N/A
1998ChevroletC2500 Suburban7.4LV8N/A
1998ChevroletC35007.4LV8N/A
1998ChevroletExpress 35007.4LV8N/A
1998ChevroletK25007.4LV8N/A
1998ChevroletK2500 Suburban7.4LV8N/A
1998ChevroletK35007.4LV8N/A
1998ChevroletP307.4LV8N/A
1998GMCC25007.4LV8N/A
1998GMCC2500 Suburban7.4LV8N/A
1998GMCC35007.4LV8N/A
1998GMCK25007.4LV8N/A
1998GMCK2500 Suburban7.4LV8N/A
1998GMCK35007.4LV8N/A
1998GMCP35007.4LV8N/A
1998GMCSavana 35007.4LV8N/A
1997ChevroletC25007.4LV8N/A
1997ChevroletC2500 Suburban7.4LV8N/A
1997ChevroletC35007.4LV8N/A
1997ChevroletExpress 35007.4LV8N/A
1997ChevroletK25007.4LV8N/A
1997ChevroletK2500 Suburban7.4LV8N/A
1997ChevroletK35007.4LV8N/A
1997ChevroletP307.4LV8N/A
1997GMCC25007.4LV8N/A
1997GMCC2500 Suburban7.4LV8N/A
1997GMCC35007.4LV8N/A
1997GMCK25007.4LV8N/A
1997GMCK2500 Suburban7.4LV8N/A
1997GMCK35007.4LV8N/A
1997GMCP35007.4LV8N/A
1997GMCSavana 35007.4LV8N/A
1996ChevroletC25007.4LV8N/A
1996ChevroletC2500 Suburban7.4LV8N/A
1996ChevroletC35007.4LV8N/A
1996ChevroletExpress 35007.4LV8N/A
1996ChevroletG307.4LV8N/A
1996ChevroletK25007.4LV8N/A
1996ChevroletK2500 Suburban7.4LV8N/A
1996ChevroletK35007.4LV8N/A
1996ChevroletP307.4LV8N/A
1996GMCC25007.4LV8N/A
1996GMCC2500 Suburban7.4LV8N/A
1996GMCC35007.4LV8N/A
1996GMCG35007.4LV8N/A
1996GMCK25007.4LV8N/A
1996GMCK2500 Suburban7.4LV8N/A
1996GMCK35007.4LV8N/A
1996GMCP35007.4LV8N/A
1996GMCSavana 35007.4LV8N/A

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