01-16 GM 6.6L Duramax Dorman Right Side Exhaust Manifold
$232.85
- Part Number: 674-736
- Est. Ship Time: Usually Ships In 1-2 Business Days

SSL SECURE
TRANSACTION

AUTHENTIC
PRODUCTS

GUARANTEED PREMIUM
QUALITY

A+ Rating
More from this brand
Fits: 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML
This Dorman Right Side Exhaust Manifold is an exact replacement for your 2001-2016 GM 6.6L Duramax. These Exhaust Manifolds come with the necessary components for an easy installation. Since its the exact replacement, it will be the perfect fit that adds another layer of efficiency and convenience.
Features:
- 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
Dorman: 674-736

RThe PPE 117000500 3" Stainless Steel Downpipe for your 2004.5-2010 GM 6.6L Duramax allows you to removed your crushed oval stock downpipe and replace..
$134.99
Fits: 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML
This Dorman Left Side Exhaust Manifold is the perfect replacement for your 2001-2016 GM 6.6L Du..
$87.19
Discontinued
Max-Flow Up-Pipes
Fits 2001-2004 Silverado/Sierra Duramax w/Federal Emissions
Part# MAX-ARAL-0104
*For use with OEM length/st..
$0.00
The Alliant AP0052 Head Gasket is a direct replacement for your 2001-2010 GM 6.6L Duramax. Alliant Power provides OEM quality, without the OEM price. ..
$41.42
The Alliant AP0049 Head Gasket is a direct replacement for your 2001-2010 GM 6.6L Duramax. Alliant Power provides OEM quality, without the OEM price. ..
$41.42
Fits: 2004.5-2010 GM 6.6L Duramax LLY/LBZ/LMM
Valve Cover Gasket Set; MAHLE gaskets provide world class sealing products trusted by OEM And Technic..
$57.94
The MAHLE VS504389 Valve Cover Gasket Set for your 2004.5-2010 GM 6.6L Duramax is a direct replacement for the factory seals on your engine...
$74.29
Mahle Intake Manifold Gasket kit for 2001-2005 GM 6.6L Duramax LB7/LLYPart number: MS19402..
$13.51
Ensure your water pump is sealed properly when you add the MAHLE GS33752 Water Pump Gasket Kit to your 2001-2010 GM 6.6L Duramax. Designed a..
$21.87
Replace the exhaust manifold in your 2001-2016 GM 6.6L Duramax with the XDP Driver Side High-Flow Exhaust Manifold XD342. The XD342 has an unrestricte..
$88.95
These head studs have a much higher strength and will not stretch like the factory bolts will. This will help keep your truck from popping head gasket..
$524.99
The Dorman 904-412 Left Side Glow Plug Harness is a direct replacement for your worn out, oil-drenched or dry rotted glow plug harness on your 2008-20..
$46.70
Dorman Engine Oil Cooler Line (Inlet, Lower)
Part number: 625-164..
$50.50
Discontinued (Updated 11/13/24)
Direct replacement right side valve cover for 96-03 Ford 7.3L Powerstroke by Dorman.
Part number: 264-5116..
$0.00
This fuel water separator drain valve is designed to match the fit and function of the original valve on specified vehicles, and is engineered for dur..
$23.30
Wheel hub bolts stripped, bent or seized? These wheel hub bolts directly replace the original bolts on certain vehicle years, makes and models.
&nb..
$33.80
Replacing a drive shaft doesn't have to be complicated. This complete drive shaft assembly is pre-balanced and ready to install with 100% new yokes, t..
$422.31
Fuel lines on certain Ford and International vehicles leak due to vibration from a weak bracket. This Dorman OE FIX upgrades the bracket to prevent fu..
$47.26
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles..
$34.38
Original equipment brake lines are highly rust prone. This Dorman OE FIX brake hydraulic line kit is made of upgraded stainless steel to resist corros..
$119.14
Fits: 2001-2003 GM Silverado/Sierra 2500HD/3500HD (See Applications)
This Dorman 800-605 Transmission Line Fitting (3/8" X 5/8"..
$8.34
Fits: 2001-2004 GM 6.6L Duramax
Don't take chances with an old, questionable, or malfunctioning camshaft position sensor that can leave you strande..
$74.72
Fits: 2001-2004 GM 6.6L Duramax LB7 2500HD/3500HD | 2003-2004 GM C4500/5500 Kodiak/Topkick 6.6L Duramax LB7
Purchase this Dorman 300-825 Engine Coo..
$262.88
Fits: 2001-2004 GM 6.6L Duramax LB7
This Dorman Fuel Return Line Banjo Bolt (Return Pipe) is the perfect replacement component your truck needs. Ea..
$9.60
Fits: 2001-2004 GM 6.6L Duramax LB7
This Dorman Glow Plug Harness Relay is perfect for what your truck needs. This part is an OE-style solution for..
$51.11
Fuel leaking from the filter housing? This direct-replacement fuel filter housing eliminates leaks from a damaged coupling to eliminate rough-start an..
$131.16
These stainless steel up-pipes for the 2001-2004
6.6L LB7 Duramax engine are a great upgrade over the stock up-pipes. The
mandrel-bent up-pipes flow..
$189.99
Replace the lightweight, leak-prone passenger side OEM up pipe with this heavy-duty 11 gauge 2" Stainless up pipe. HD Stainless Bellow that will ..
$324.95
ON BACKORDER TWO MONTHS OUT : updated on 04/18/2025
DHD's high flow manifold bundle increases exhaust air flow over 55% without any port modi..
$795.00
These full featured OEM fit up pipes are an excellent value! These are brand new and include all the high flow, high quality features your looking for..
$169.41
Replaces the factory exhaust up-pipes (exhaust manifold to the turbo) which are prone to leakage due to the deterioration. BD up-pipes are designed to..
$293.95
*NOT LEGAL FOR SALE OR USE IN CALIFORNIA. THE MANUFACTURE, SALE, OFFER FOR SALE, OR INSTALLATION OF THIS PRODUCT MAY ALSO BE ILLEGAL NATIONWIDE UNDER ..
$409.00
*NOT LEGAL FOR SALE OR USE IN CALIFORNIA. THE MANUFACTURE, SALE, OFFER FOR SALE, OR INSTALLATION OF THIS PRODUCT MAY ALSO BE ILLEGAL NATIONWIDE UNDER ..
$599.00
Kit includes Gaskets and Hardware!Extended Length Up Pipe SetHigh Flow Manifolds RequiredThis extended length high flow up pipe set allows&n..
$335.29
Kit includes Gaskets and Hardware!Stainless Duramax Up Pipe SetBest FIT! Best Value!NO COREThese full featured OEM length up pipes are an excellent va..
$289.00
*NOT LEGAL FOR SALE OR USE IN CALIFORNIA. THE MANUFACTURE, SALE, OFFER FOR SALE, OR INSTALLATION OF THIS PRODUCT MAY ALSO BE ILLEGAL NATIONWIDE UNDER ..
$969.00
**Discontinued**
Max-Flow Up-pipe
Fits 2001-2004 Silverado/Sierra w/Federal Emissions
Part# MAX-PAL-0104
*NOT LEGAL FOR SALE OR USE IN CAL..
$0.00
Discontinued
Max-Flow Up-Pipes
Fits 2001-2004 Silverado/Sierra Duramax w/Federal Emissions
Part# MAX-ARAL-0104
*For use with OEM length/st..
$0.00
**Discontinued**
Max-Flow Performance Series Duramax Manifolds& Up Pipes
Fits 2001-2004 Silverado/Sierra 6.6 Duramax w/Federal Emissions
..
$0.00
50 States Emissions Legal (E.O. D-701-34)PPE High-Flow Manifolds are made from cast, high-sil moly. The PPE Up-Pipe bellows are internally-sleeved, ma..
$899.99
Replace the lightweight, leak-prone, 1 5/8" OEM up pipes with these heavy-duty 11 gauge 2" Stainless up pipe kit. HD Stainless Bellows that ..
$606.25