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76.95
Part #: DOR674-731
Dorman 674-731 Left Side Exhaust Manifold
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Description
The Dorman 674-731 Left Side Exhaust Manifold is a OE-style replacement for your 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML. This exhaust manifold
was precision-engineered and manufactured to match the fit and function
of the original factory manifold on your Chevy/GMC. The durable cast iron construction helps resist warping, cracking, and leaking for long-lasting reliability.
It includes all necessary gaskets and downpipe hardware for a complete repair.
Features:
- Driver-Side Manifold
- Direct-Fit Replacement
- Includes All Necessary Gaskets And Hardware
- Replaces GM Stock Part#: 12624684, 12637647, 97224587
Applications:
2001-2016 Chevrolet Silverado 2500HD/3500HD (6.6 Duramax)
2001-2016 GMC Sierra 2500HD/3500HD (6.6 Duramax)
2006-2016 Chevrolet Express 2500/3500 (6.6 Duramax)
2006-2016 GMC Savana 2500/3500 (6.6 Duramax)
2009-2016 Chevrolet Express 4500 (6.6 Duramax)
2009-2016 GMC Savana 4500 (6.6 Duramax)
Vehicle Fitment
| YEAR | MAKE | MODEL | FOR ENGINE SERIES |
|---|---|---|---|
| 2006 | Chevrolet | Express 2500 | 6.6 |
| 2007 | Chevrolet | Express 2500 | 6.6 |
| 2008 | Chevrolet | Express 2500 | 6.6 |
| 2009 | Chevrolet | Express 2500 | 6.6 |
| 2010 | Chevrolet | Express 2500 | 6.6 |
| 2011 | Chevrolet | Express 2500 | 6.6 |
| 2012 | Chevrolet | Express 2500 | 6.6 |
| 2013 | Chevrolet | Express 2500 | 6.6 |
| 2014 | Chevrolet | Express 2500 | 6.6 |
| 2015 | Chevrolet | Express 2500 | 6.6 |
| 2016 | Chevrolet | Express 2500 | 6.6 |
| 2006 | Chevrolet | Express 3500 | 6.6 |
| 2007 | Chevrolet | Express 3500 | 6.6 |
| 2008 | Chevrolet | Express 3500 | 6.6 |
| 2009 | Chevrolet | Express 3500 | 6.6 |
| 2010 | Chevrolet | Express 3500 | 6.6 |
| 2011 | Chevrolet | Express 3500 | 6.6 |
| 2012 | Chevrolet | Express 3500 | 6.6 |
| 2013 | Chevrolet | Express 3500 | 6.6 |
| 2014 | Chevrolet | Express 3500 | 6.6 |
| 2015 | Chevrolet | Express 3500 | 6.6 |
| 2016 | Chevrolet | Express 3500 | 6.6 |
| 2009 | Chevrolet | Express 4500 | 6.6 |
| 2010 | Chevrolet | Express 4500 | 6.6 |
| 2011 | Chevrolet | Express 4500 | 6.6 |
| 2012 | Chevrolet | Express 4500 | 6.6 |
| 2013 | Chevrolet | Express 4500 | 6.6 |
| 2014 | Chevrolet | Express 4500 | 6.6 |
| 2015 | Chevrolet | Express 4500 | 6.6 |
| 2016 | Chevrolet | Express 4500 | 6.6 |
| 2001 | Chevrolet | Silverado 2500 HD | 6.6 |
| 2002 | Chevrolet | Silverado 2500 HD | 6.6 |
| 2003 | Chevrolet | Silverado 2500 HD | 6.6 |
| 2004 | Chevrolet | Silverado 2500 HD | 6.6 |
| 2005 | Chevrolet | Silverado 2500 HD | 6.6 |
| 2006 | Chevrolet | Silverado 2500 HD | 6.6 |
| 2007 | Chevrolet | Silverado 2500 HD | 6.6 |
| 2008 | Chevrolet | Silverado 2500 HD | 6.6 |
| 2009 | Chevrolet | Silverado 2500 HD | 6.6 |
| 2010 | Chevrolet | Silverado 2500 HD | 6.6 |
| 2011 | Chevrolet | Silverado 2500 HD | 6.6 |
| 2012 | Chevrolet | Silverado 2500 HD | 6.6 |
| 2013 | Chevrolet | Silverado 2500 HD | 6.6 |
| 2014 | Chevrolet | Silverado 2500 HD | 6.6 |
| 2015 | Chevrolet | Silverado 2500 HD | 6.6 |
| 2016 | Chevrolet | Silverado 2500 HD | 6.6 |
| 2007 | Chevrolet | Silverado 2500 HD Classic | 6.6 |
| 2001 | Chevrolet | Silverado 3500 | 6.6 |
| 2002 | Chevrolet | Silverado 3500 | 6.6 |
| 2003 | Chevrolet | Silverado 3500 | 6.6 |
| 2004 | Chevrolet | Silverado 3500 | 6.6 |
| 2005 | Chevrolet | Silverado 3500 | 6.6 |
| 2006 | Chevrolet | Silverado 3500 | 6.6 |
| 2007 | Chevrolet | Silverado 3500 Classic | 6.6 |
| 2007 | Chevrolet | Silverado 3500 HD | 6.6 |
| 2008 | Chevrolet | Silverado 3500 HD | 6.6 |
| 2009 | Chevrolet | Silverado 3500 HD | 6.6 |
| 2010 | Chevrolet | Silverado 3500 HD | 6.6 |
| 2011 | Chevrolet | Silverado 3500 HD | 6.6 |
| 2012 | Chevrolet | Silverado 3500 HD | 6.6 |
| 2013 | Chevrolet | Silverado 3500 HD | 6.6 |
| 2014 | Chevrolet | Silverado 3500 HD | 6.6 |
| 2015 | Chevrolet | Silverado 3500 HD | 6.6 |
| 2016 | Chevrolet | Silverado 3500 HD | 6.6 |
| 2006 | GMC | Savana 2500 | 6.6 |
| 2007 | GMC | Savana 2500 | 6.6 |
| 2008 | GMC | Savana 2500 | 6.6 |
| 2009 | GMC | Savana 2500 | 6.6 |
| 2010 | GMC | Savana 2500 | 6.6 |
| 2011 | GMC | Savana 2500 | 6.6 |
| 2012 | GMC | Savana 2500 | 6.6 |
| 2013 | GMC | Savana 2500 | 6.6 |
| 2014 | GMC | Savana 2500 | 6.6 |
| 2015 | GMC | Savana 2500 | 6.6 |
| 2016 | GMC | Savana 2500 | 6.6 |
| 2006 | GMC | Savana 3500 | 6.6 |
| 2007 | GMC | Savana 3500 | 6.6 |
| 2008 | GMC | Savana 3500 | 6.6 |
| 2009 | GMC | Savana 3500 | 6.6 |
| 2010 | GMC | Savana 3500 | 6.6 |
| 2011 | GMC | Savana 3500 | 6.6 |
| 2012 | GMC | Savana 3500 | 6.6 |
| 2013 | GMC | Savana 3500 | 6.6 |
| 2014 | GMC | Savana 3500 | 6.6 |
| 2015 | GMC | Savana 3500 | 6.6 |
| 2016 | GMC | Savana 3500 | 6.6 |
| 2009 | GMC | Savana 4500 | 6.6 |
| 2010 | GMC | Savana 4500 | 6.6 |
| 2011 | GMC | Savana 4500 | 6.6 |
| 2012 | GMC | Savana 4500 | 6.6 |
| 2013 | GMC | Savana 4500 | 6.6 |
| 2014 | GMC | Savana 4500 | 6.6 |
| 2015 | GMC | Savana 4500 | 6.6 |
| 2016 | GMC | Savana 4500 | 6.6 |
| 2001 | GMC | Sierra 2500 HD | 6.6 |
| 2002 | GMC | Sierra 2500 HD | 6.6 |
| 2003 | GMC | Sierra 2500 HD | 6.6 |
| 2004 | GMC | Sierra 2500 HD | 6.6 |
| 2005 | GMC | Sierra 2500 HD | 6.6 |
| 2006 | GMC | Sierra 2500 HD | 6.6 |
| 2007 | GMC | Sierra 2500 HD | 6.6 |
| 2008 | GMC | Sierra 2500 HD | 6.6 |
| 2009 | GMC | Sierra 2500 HD | 6.6 |
| 2010 | GMC | Sierra 2500 HD | 6.6 |
| 2011 | GMC | Sierra 2500 HD | 6.6 |
| 2012 | GMC | Sierra 2500 HD | 6.6 |
| 2013 | GMC | Sierra 2500 HD | 6.6 |
| 2014 | GMC | Sierra 2500 HD | 6.6 |
| 2015 | GMC | Sierra 2500 HD | 6.6 |
| 2016 | GMC | Sierra 2500 HD | 6.6 |
| 2007 | GMC | Sierra 2500 HD Classic | 6.6 |
| 2001 | GMC | Sierra 3500 | 6.6 |
| 2002 | GMC | Sierra 3500 | 6.6 |
| 2003 | GMC | Sierra 3500 | 6.6 |
| 2004 | GMC | Sierra 3500 | 6.6 |
| 2005 | GMC | Sierra 3500 | 6.6 |
| 2006 | GMC | Sierra 3500 | 6.6 |
| 2007 | GMC | Sierra 3500 Classic | 6.6 |
| 2007 | GMC | Sierra 3500 HD | 6.6 |
| 2008 | GMC | Sierra 3500 HD | 6.6 |
| 2009 | GMC | Sierra 3500 HD | 6.6 |
| 2010 | GMC | Sierra 3500 HD | 6.6 |
| 2011 | GMC | Sierra 3500 HD | 6.6 |
| 2012 | GMC | Sierra 3500 HD | 6.6 |
| 2013 | GMC | Sierra 3500 HD | 6.6 |
| 2014 | GMC | Sierra 3500 HD | 6.6 |
| 2015 | GMC | Sierra 3500 HD | 6.6 |
| 2016 | GMC | Sierra 3500 HD | 6.6 |
| 2005 | Workhorse | LF72 | 6.6 |
| 2006 | Workhorse | LF72 | 6.6 |
| 2007 | Workhorse | LF72 | 6.6 |
| 2008 | Workhorse | LF72 | 6.6 |
| 2009 | Workhorse | LF72 | 6.6 |
| 2010 | Workhorse | LF72 | 6.6 |
| 2011 | Workhorse | LF72 | 6.6 |
| 2009 | Workhorse | R26 | |
| 2005 | Workhorse Custom Chassis | P42 | 6.6 |
Specifications
- MPN 674-731
- SKU DOR674-731
- GTIN 019495212935
- ID 29296
- Manufacturer Name Dorman
- Shipping Weight 12.00 lb.
- Shipping Length 20 in.
- Shipping Width 9 in.
- Shipping Height 6 in.
- Fuel Type Diesel
-
Prop 65
WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
- Cross Reference # 12624684, 12637647, 97224587
- Internal L1R1
Frequently Bought Together
In-Stock
ARP 672-1003 Chromoly Bolts (M10 X 1.50 X 30)
$11.51
Vehicle Fitment:
2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML (M10 X 1.50 X 30 - Fits Duramax Up-Pipes)
2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML (M10 X 1.50 X 30 - Fits Duramax Up-Pipes)
Dorman 674-736 Right Side Exhaust Manifold
$229.95
Vehicle Fitment:
2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML
2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML
Reviews
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Questions and Answers
Does this item come with the gaskets as shown?
View Staff Answer
Answer
Yes it does.
Yes it does.
Does this have a drilled and tapped hole for an egt probe?
View Staff Answer
Answer
The DORMAN 674-731 LEFT SIDE EXHAUST MANIFOLD is not tapped for an EGT probe.
is this the driver side or passenger side ?
View Staff Answer
Answer
The left side is considered the driver's side.
The left side is considered the driver's side.
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