Dorman 674-732XD Exhaust Manifold
Confirm Fitment Before You Buy
Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price
$219.91
Select your vehicle at the top of the page to check fitment.
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Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.
Product Description
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
Detailed Applications
| Year | Make | Model | Configuration | Positions | Application Notes |
|---|---|---|---|---|---|
| 2007-2014 | Cadillac | Escalade | 6.2L V8 | Right | w/Ceramic Coating |
| 2009-2013 | Cadillac | Escalade | 6.0L V8 | Right | w/Ceramic Coating |
| 2003-2006 | Cadillac | Escalade | 6.0L V8 | Right | w/Ceramic Coating |
| 2002-2005 | Cadillac | Escalade | 5.3L V8 | Right | w/Ceramic Coating |
| 2007-2014 | Cadillac | Escalade ESV | 6.2L V8 | Right | w/Ceramic Coating |
| 2003-2006 | Cadillac | Escalade ESV | 6.0L V8 | Right | w/Ceramic Coating |
| 2007-2013 | Cadillac | Escalade EXT | 6.2L V8 | Right | w/Ceramic Coating |
| 2003-2006 | Cadillac | Escalade EXT | 6.0L V8 | Right | w/Ceramic Coating |
| 2007-2013 | Chevrolet | Avalanche | 5.3L V8 | Right | w/Ceramic Coating |
| 2007-2009 | Chevrolet | Avalanche | 6.0L V8 | Right | w/Ceramic Coating |
| 2002-2006 | Chevrolet | Avalanche 1500 | 5.3L V8 | Right | w/Ceramic Coating |
| 2010-2013 | Chevrolet | Cheyenne | 5.3L V8 | Right | w/Ceramic Coating |
| 2003-2014 | Chevrolet | Express 1500 | 5.3L V8 | Right | w/Ceramic Coating |
| 2004-2018 | Chevrolet | Express 2500 | 6.0L V8 | Right | w/Ceramic Coating |
| 2003-2017 | Chevrolet | Express 2500 | 4.8L V8 | Right | w/Ceramic Coating |
| 2003-2005 | Chevrolet | Express 2500 | 5.3L V8 | Right | w/Ceramic Coating |
| 2003 | Chevrolet | Express 2500 | 6.0L V8 | Right | w/Ceramic Coating; wo/California Emissions |
| 2004-2018 | Chevrolet | Express 3500 | 6.0L V8 | Right | w/Ceramic Coating |
| 2005-2017 | Chevrolet | Express 3500 | 4.8L V8 | Right | w/Ceramic Coating |
| 2003-2008 | Chevrolet | Express 3500 | 5.3L V8 | Right | w/Ceramic Coating |
| 2003 | Chevrolet | Express 3500 | 6.0L V8 | Right | w/Ceramic Coating; wo/California Emissions |
| 2009-2018 | Chevrolet | Express 4500 | 6.0L V8 | Right | w/Ceramic Coating |
| 2010-2018 | Chevrolet | Express Cargo | 6.0L V8 | Right | w/Ceramic Coating |
| 2013-2018 | Chevrolet | Express Pasajeros | 6.0L V8 | Right | w/Ceramic Coating |
| 2010-2015 | Chevrolet | Express Pasajeros | 5.3L V8 | Right | w/Ceramic Coating |
| 1995 | Chevrolet | R25 | 4.8L V8 | Right | w/Ceramic Coating |
| 2002-2013 | Chevrolet | Silverado 1500 | 4.8L V8 | Right | w/Ceramic Coating |
| 2002-2013 | Chevrolet | Silverado 1500 | 5.3L V8 | Right | w/Ceramic Coating |
| 2003-2013 | Chevrolet | Silverado 1500 | 6.0L V8 | Right | w/Ceramic Coating |
| 2009-2013 | Chevrolet | Silverado 1500 | 6.2L V8 | Right | w/Ceramic Coating |
| 2007 | Chevrolet | Silverado 1500 Classic | 4.8L V8 | Right | w/Ceramic Coating |
| 2007 | Chevrolet | Silverado 1500 Classic | 5.3L V8 | Right | w/Ceramic Coating |
| 2007 | Chevrolet | Silverado 1500 Classic | 6.0L V8 | Right | w/Ceramic Coating |
| 2005-2006 | Chevrolet | Silverado 1500 HD | 6.0L V8 | Right | w/Ceramic Coating |
| 2003 | Chevrolet | Silverado 1500 HD | 6.0L V8 | Right | w/Ceramic Coating |
| 2007 | Chevrolet | Silverado 1500 HD Classic | 6.0L V8 | Right | w/Ceramic Coating |
| 2006-2013 | Chevrolet | Silverado 2500 | 4.8L V8 | Right | w/Ceramic Coating |
| 2002-2013 | Chevrolet | Silverado 2500 | 5.3L V8 | Right | w/Ceramic Coating |
| 2003-2004 | Chevrolet | Silverado 2500 | 6.0L V8 | Right | w/Ceramic Coating |
| 2003-2019 | Chevrolet | Silverado 2500 HD | 6.0L V8 | Right | w/Ceramic Coating |
| 2007 | Chevrolet | Silverado 2500 HD Classic | 6.0L V8 | Right | w/Ceramic Coating |
| 2015-2017 | Chevrolet | Silverado 3500 | 6.0L V8 | Right | w/Ceramic Coating |
| 2008-2013 | Chevrolet | Silverado 3500 | 6.0L V8 | Right | w/Ceramic Coating |
| 2003-2006 | Chevrolet | Silverado 3500 | 6.0L V8 | Right | w/Ceramic Coating |
| 2007 | Chevrolet | Silverado 3500 Classic | 6.0L V8 | Right | w/Ceramic Coating |
| 2007-2018 | Chevrolet | Silverado 3500 HD | 6.0L V8 | Right | w/Ceramic Coating |
| 2016-2017 | Chevrolet | Suburban | 6.0L V8 | Right | w/Ceramic Coating |
| 2014 | Chevrolet | Suburban | 5.3L V8 | Right | w/Ceramic Coating |
| 2002-2014 | Chevrolet | Suburban 1500 | 5.3L V8 | Right | w/Ceramic Coating |
| 2011-2013 | Chevrolet | Suburban 1500 | 6.0L V8 | Right | w/Ceramic Coating |
| 2006-2009 | Chevrolet | Suburban 1500 | 6.0L V8 | Right | w/Ceramic Coating |
| 2003-2013 | Chevrolet | Suburban 2500 | 6.0L V8 | Right | w/Ceramic Coating |
| 2016-2019 | Chevrolet | Suburban 3500 HD | 6.0L V8 | Right | w/Ceramic Coating |
| 2002-2014 | Chevrolet | Tahoe | 5.3L V8 | Right | w/Ceramic Coating |
| 2008-2012 | Chevrolet | Tahoe | 6.0L V8 | Right | w/Ceramic Coating |
| 2002-2009 | Chevrolet | Tahoe | 4.8L V8 | Right | w/Ceramic Coating |
| 2008-2009 | Chevrolet | Tahoe | 6.2L V8 | Right | w/Ceramic Coating |
| 2003-2014 | GMC | Savana 1500 | 5.3L V8 | Right | w/Ceramic Coating |
| 2004-2018 | GMC | Savana 2500 | 6.0L V8 | Right | w/Ceramic Coating |
| 2003-2017 | GMC | Savana 2500 | 4.8L V8 | Right | w/Ceramic Coating |
| 2003-2005 | GMC | Savana 2500 | 5.3L V8 | Right | w/Ceramic Coating |
| 2003 | GMC | Savana 2500 | 6.0L V8 | Right | w/Ceramic Coating; wo/California Emissions |
| 2004-2018 | GMC | Savana 3500 | 6.0L V8 | Right | w/Ceramic Coating |
| 2004-2017 | GMC | Savana 3500 | 4.8L V8 | Right | w/Ceramic Coating |
| 2003 | GMC | Savana 3500 | 6.0L V8 | Right | w/Ceramic Coating; wo/California Emissions |
| 2010-2016 | GMC | Savana 4500 | 6.0L V8 | Right | w/Ceramic Coating |
| 2007-2013 | GMC | Sierra | 5.3L V8 | Right | w/Ceramic Coating |
| 2008-2013 | GMC | Sierra | 6.2L V8 | Right | w/Ceramic Coating |
| 2002-2013 | GMC | Sierra 1500 | 4.8L V8 | Right | w/Ceramic Coating |
| 2002-2013 | GMC | Sierra 1500 | 5.3L V8 | Right | w/Ceramic Coating |
| 2003-2013 | GMC | Sierra 1500 | 6.0L V8 | Right | w/Ceramic Coating |
| 2007-2013 | GMC | Sierra 1500 | 6.2L V8 | Right | w/Ceramic Coating |
| 2007 | GMC | Sierra 1500 Classic | 4.8L V8 | Right | w/Ceramic Coating |
| 2007 | GMC | Sierra 1500 Classic | 5.3L V8 | Right | w/Ceramic Coating |
| 2007 | GMC | Sierra 1500 Classic | 6.0L V8 | Right | w/Ceramic Coating |
| 2005-2006 | GMC | Sierra 1500 HD | 6.0L V8 | Right | w/Ceramic Coating |
| 2003 | GMC | Sierra 1500 HD | 6.0L V8 | Right | w/Ceramic Coating |
| 2007 | GMC | Sierra 1500 HD Classic | 6.0L V8 | Right | w/Ceramic Coating |
| 2003-2004 | GMC | Sierra 2500 | 6.0L V8 | Right | w/Ceramic Coating |
| 2003-2018 | GMC | Sierra 2500 HD | 6.0L V8 | Right | w/Ceramic Coating |
| 2007 | GMC | Sierra 2500 HD Classic | 6.0L V8 | Right | w/Ceramic Coating |
| 2003-2006 | GMC | Sierra 3500 | 6.0L V8 | Right | w/Ceramic Coating |
| 2007 | GMC | Sierra 3500 Classic | 6.0L V8 | Right | w/Ceramic Coating |
| 2007-2018 | GMC | Sierra 3500 HD | 6.0L V8 | Right | w/Ceramic Coating |
| 2011-2014 | GMC | Yukon | 5.3L V8 | Right | w/Ceramic Coating |
| 2007-2014 | GMC | Yukon | 6.2L V8 | Right | w/Ceramic Coating |
| 2008-2013 | GMC | Yukon | 6.0L V8 | Right | w/Ceramic Coating |
| 2002-2009 | GMC | Yukon | 4.8L V8 | Right | w/Ceramic Coating |
| 2002-2009 | GMC | Yukon | 5.3L V8 | Right | w/Ceramic Coating |
| 2003-2006 | GMC | Yukon | 6.0L V8 | Right | w/Ceramic Coating |
| 2002-2014 | GMC | Yukon XL 1500 | 5.3L V8 | Right | w/Ceramic Coating |
| 2007-2014 | GMC | Yukon XL 1500 | 6.2L V8 | Right | w/Ceramic Coating |
| 2003-2009 | GMC | Yukon XL 1500 | 6.0L V8 | Right | w/Ceramic Coating |
| 2003-2013 | GMC | Yukon XL 2500 | 6.0L V8 | Right | w/Ceramic Coating |
| 2008-2009 | Hummer | H2 | 6.2L V8 | Right | w/Ceramic Coating |
| 2003-2007 | Hummer | H2 | 6.0L V8 | Right | w/Ceramic Coating |
| 2004-2005 | Workhorse | FasTrack FT1061 | 4.8L V8 | Right | w/Ceramic Coating |
| 2005 | Workhorse | FasTrack FT1261 | 4.8L V8 | Right | w/Ceramic Coating |
| 2004-2005 | Workhorse | FasTrack FT1461 | 4.8L V8 | Right | w/Ceramic Coating |
| 2004-2005 | Workhorse | FasTrack FT1601 | 4.8L V8 | Right | w/Ceramic Coating |
| 2007 | Workhorse | W16 | 4.8L V8 | Right | w/Ceramic Coating |
| 2006-2011 | Workhorse | W42 | 4.8L V8 | Right | w/Ceramic Coating |
| 2007-2011 | Workhorse | W62 | 4.8L V8 | Right | w/Ceramic Coating |
Product Specifications
| Collector Port Diameter: | 3 in |
|---|---|
| Color: | Black |
| Gasket Or Seal Included: | No |
| Grade Type: | Standard Replacement |
| Heat Shield Included: | Yes |
| Material: | Carbon Ceramic Coated |
| Mounting Hardware Included: | No |
| Mounting Hole Quantity: | 8 |
| Oxygen Sensor Port: | No |
| Package Contents: | 1 Exhaust Manifold; 1 Manifold Gasket; 2 Flange Gaskets; 3 Studs; 3 Nuts; 12 Exhaust Manifold Bolts |
| Package Quantity: | 1 |
| Packaging Type: | Box |
| Port Shape: | Round |
| Tube Wall Thickness: | 0.125 in |
OE Numbers
| DIRECT OE CROSS | |
|---|---|
| 12569416 | GENERAL MOTORS |
| 12569530 | GENERAL MOTORS |
| 12578341 | GENERAL MOTORS |
| 12602038 | GENERAL MOTORS |
| 12612084 | GENERAL MOTORS |
| 12616286 | GENERAL MOTORS |
| 12647717 | GENERAL MOTORS |
| 12648339 | GENERAL MOTORS |
| 12677665 | GENERAL MOTORS |
| 12686302 | GENERAL MOTORS |