Dorman Exhaust Manifold Kit

SKU: 1GCW4 | MPN:  674-731
Only 3 units left
Sale price$106.80 USD

This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on specified vehicles. It includes all necessary gaskets and downpipe hardware for a complete repair.

  • Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehicles
  • Reliable construction - durable materials resist warping, cracking and leaking for long-lasting performance
  • Complete repair - includes all necessary gaskets and downpipe hardware
  • Trustworthy design - built by industry leader in aftermarket manifolds


Vehicle Fitments:

Year Make Model Submodel
2006 - 2016 Chevrolet Express 2500 LT, LS, Base
2006 - 2016 Chevrolet Express 3500 LT, Base, LS
2009 - 2016 Chevrolet Express 4500 Base
2001 - 2005 Chevrolet Silverado 2500 HD Base
2015 - 2016 Chevrolet Silverado 2500 HD High Country
2001 - 2006 Chevrolet Silverado 2500 HD LS
2001 - 2016 Chevrolet Silverado 2500 HD LT
2007 - 2016 Chevrolet Silverado 2500 HD LTZ
2003 - 2016 Chevrolet Silverado 2500 HD WT
2007 Chevrolet Silverado 2500 HD Classic WT, LS, LT
2001 - 2006 Chevrolet Silverado 3500 Base, LT, LS
2006 Chevrolet Silverado 3500 HD
2004 - 2006 Chevrolet Silverado 3500 WT
2007 Chevrolet Silverado 3500 Classic LT, LS, WT
2015 - 2016 Chevrolet Silverado 3500 HD High Country
2007 - 2016 Chevrolet Silverado 3500 HD WT, LTZ, LT
2006 - 2016 GMC Savana 2500 Base
2007 - 2016 GMC Savana 2500 LS, LT
2009 - 2013 GMC Savana 2500 SLE, SL
2006 - 2016 GMC Savana 3500 Base, LT, LS
2009 - 2013 GMC Savana 3500 SL, SLE
2009 - 2016 GMC Savana 4500 Base
2002 - 2016 GMC Sierra 2500 HD Base
2011 - 2016 GMC Sierra 2500 HD Denali
2001 - 2006 GMC Sierra 2500 HD SL
2001 - 2016 GMC Sierra 2500 HD SLT, SLE
2003 - 2014 GMC Sierra 2500 HD WT
2007 GMC Sierra 2500 HD Classic WT, SLT, SL, SLE
2002 - 2005 GMC Sierra 3500 Base
2001 - 2006 GMC Sierra 3500 SL, SLT, SLE
2004 - 2006 GMC Sierra 3500 WT
2007 GMC Sierra 3500 Classic WT, SLT, SLE, SL
2015 - 2016 GMC Sierra 3500 HD Base
2011 - 2016 GMC Sierra 3500 HD Denali
2007 - 2016 GMC Sierra 3500 HD SLE, SLT
2007 - 2014 GMC Sierra 3500 HD WT
2005 - 2011 Workhorse LF72 Base
2009 Workhorse R26 UFO
2005 Workhorse Custom Chassis P42 Base

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