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GM 6.6L Duramax Diesel Engine Parts

Engine parts such as Valve Springs, Connecting Rods, Oil Pans, Head Studs, & more for the 2001+ GM 6.6L Duramax Diesel Trucks.

We offer top brands such as AFE, Alliant Power, Dirty Hooker Diesel, & many more!

Brand: Mahle Part Number: 224-3451
Featuring a factory construction, the Mahle piston (standard, left bank) is an OEM replacement to your 2001-2005 GM 6.6L Duramax LB7/LLY. Each Mahle piston features a lightweight and expansion controlled design that maintains an OEM performance.FEATURES:LightweightQuality ConstructionApplication Not..
$154.21
Brand: Mahle Part Number: 224-3452
Featuring a factory construction, the Mahle Piston (Standard, Right Bank) is an OEM replacement to your 2001-2005 GM 6.6L Duramax LB7/LLY. Each Mahle piston features a lightweight and expansion controlled design that maintains an OEM performance.FEATURES:LightweightQuality ConstructionApplication No..
$154.21
Brand: Gator Fasteners Part Number: MSK667Y
Gator Fasteners Heavy Duty Main Studs are design to hold the bottom end of your 6.6L together whether you're building a tow rig, race truck or just a daily driver. These fasteners have a much higher strength and will not stretch like the factory bolts will. These Gator Fasteners Performance Mai..
$234.99
01-07 GM 6.6L Duramax Cometic MLS Head Gasket (Left)
Backordered
Brand: Cometic Gasket Inc Part Number: C5883-0XX
All on Backorder with No ETA   **Updated on 07/11/2024** The Cometic C5883 MLS Head Gasket for your 2001-2007 GM 6.6L Duramax is comprised of multiple embossed layers of both viton coated and uncoated stainless steel. The embossed outer layers of the gaskets meet the demands of a va..
$147.28
Brand: Alliant Power Part Number: AP0052
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. Keeping Original Equipment Manufacturer (OEM) product as the preferred service part so vehicles and equipment continue to perform like new and provide..
$41.68
Brand: Gator Fasteners Part Number: RBK66
If you are wanting to keep your 6.6L Duramax on the road for the long haul, you need the high quality parts like these Gator Fastener Rod Bolts. These head studs have a much higher strength and will not stretch like the factory bolts will.Part number: RBK66..
$209.99
Brand: XDP Mfg Part Number: XD316
Restore lost power from the valvetrain in your 2001-2016 GM 6.6L Duramax with the XDP Pushrods 7/16" Competition & Race Performance XD316. The factory pushrods in your Duramax engine are not adequate to handle the stress from your modified engine. Increased cylinder pressures, higher engine..
$378.95
Brand: DFC Diesel Part Number: DFC6604505LLYLB
DFC engines may take up to 14 weeks to ship. Please contact us to verify lead times if you are in a hurry, before purchasing.  Built for work trucks, daily drivers and the diesel enthusiast in mind these engines are a vast improvement from stock as they contain important upgrades to common..
$8,659.19
Brand: DFC Diesel Part Number: SS6604505LLYLB
DFC engines may take up to 14 weeks to ship. Please contact us to verify lead times if you are in a hurry, before purchasing.  FEATURESOur street series of engines are DFC’s flagship product. Built for work trucks, daily drivers and the diesel enthusiast in mind these engine..
$9,961.90
Brand: Alliant Power Part Number: AP0063
Alliant Head installation kit for 04-10 GM 6.6L Duramax without headgaskets and without studs by Alliant Power.Part number: AP0063..
$591.78
Brand: Alliant Power Part Number: AP0046
Alliant Head installation kit for 04-10 GM 6.6L Duramax with ARP Studs; without headgaskets by Alliant Power.Part number: AP0046..
$1,456.32
Brand: DFC Diesel Part Number: 660607LBZLB
DFC engines may take up to 14 weeks to ship. Please contact us to verify lead times if you are in a hurry, before purchasing.  The DFC Long Block Crate Engine is a great option for any diesel enthusiast looking to replace the tired and damaged engine in their 2006-2007 GM 6.6L Duramax LBZ...
$9,503.70
Brand: DFC Diesel Part Number: SS660607LBZLB
DFC engines may take up to 14 weeks to ship. Please contact us to verify lead times if you are in a hurry, before purchasing.  FEATURESOur street series of engines are DFC’s flagship product. Built for work trucks, daily drivers and the diesel enthusiast in mind these engine..
$10,759.80
Brand: Gator Fasteners Part Number: MSK66ZM
Gator Fasteners Heavy Duty Main Studs are design to hold the bottom end of your 6.6L together whether you're building a tow rig, race truck or just a daily driver. These fasteners have a much higher strength and will not stretch like the factory bolts will. These Gator Fasteners Performance Mai..
$234.99
Brand: Mahle Part Number: 224-3709WR.030
Mahle piston w/ rings for the left bank of 06-10 Duramax. Mahle products are manufactured to OE specs and feature compensated ring grooves. Expansion controlled designs ensure small fitting clearances which helps reduce engine noise, wear and improves oil control.  Pistons come preassembled ..
$141.77
Brand: Mahle Part Number: 224-3708WR.030
Mahle piston w/ rings for the right bank of 06-10 Duramax. Mahle products are manufactured to OE specs and feature compensated ring grooves. Expansion controlled designs ensure small fitting clearances which helps reduce engine noise, wear and improves oil control. Pistons come preassembled w/ ..
$141.77
Brand: Mahle Part Number: 224-3709WR.040
Mahle piston w/ rings for the left bank of 06-10 Duramax. Mahle products are manufactured to OE specs and feature compensated ring grooves. Expansion controlled designs ensure small fitting clearances which helps reduce engine noise, wear and improves oil control. Pistons come preassembled w/ r..
$141.77
Brand: Mahle Part Number: 224-3708WR.040
Mahle piston w/ rings for the right bank of 06-10 Duramax. Mahle products are manufactured to OE specs and feature compensated ring grooves. Expansion controlled designs ensure small fitting clearances which helps reduce engine noise, wear and improves oil control. Pistons come preassembled w/ ..
$141.77
Brand: Alliant Power Part Number: AP0130
Alliant Power high pressure fuel pump/ exhaust gas recirculation (HPFP/EGR) valve installation kit for 07-10 GM LMM 6.6L Duramax.Part number: AP0130..
$71.00
Brand: DFC Diesel Part Number: SS661116LMLLB
DFC engines may take up to 14 weeks to ship. Please contact us to verify lead times if you are in a hurry, before purchasing.  FEATURESOur street series of engines are DFC’s flagship product. Built for work trucks, daily drivers and the diesel enthusiast in mind these engine..
$11,093.97
Brand: Mahle Part Number: 224-3935WR.0.25MM
Fits: 2011-2016 GM 6.6L Duramax LML/LGHRefresh the engine in your 2011-2016 GM 6.6L Duramax LML/LGH when you install the Mahle Piston With Rings. Mahle Original Pistons are manufactured with coated skirts to decrease friction and scuffing to strict specifications using all the OE features to meet or..
$98.39
11-16 GM 6.6L Duramax LML/LGH Mahle Piston With Rings (.75MM)
Backordered
Brand: Mahle Part Number: 224-3935WR.0.75MM
Backordered with No ETA   **Updated on 02/05/2024** Fits: 2011-2016 GM 6.6L Duramax LML/LGH Refresh the engine in your 2011-2016 GM 6.6L Duramax LML/LGH when you install the Mahle Piston With Rings. Mahle Original Pistons are manufactured with coated skirts to decrease friction and s..
$98.39
Brand: Mahle Part Number: 224-3935WR
Fits: 2011-2016 GM 6.6L Duramax LML/LGH Refresh the engine in your 2011-2016 GM 6.6L Duramax LML/LGH when you install the Mahle Piston With Rings. Mahle Original Pistons are manufactured with coated skirts to decrease friction and scuffing to strict specifications using all the OE features to mee..
$98.39
Brand: Gator Fasteners Part Number: HSK66L5P
If you are wanting to keep your LP5 6.6L Duramax on the road for the long haul, you need to replace your head bolts with upgraded head studs. 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 gaskets. These..
$574.99
Brand: Dirty Hooker Diesel Part Number: 800-HBI
DHD's heavy duty balancer installer is a must for customers installing aftermarket dampers. Unlike the OE balancer, most performance Duramax dampers are press fit on the crankshaft. This precision fit requires precision installation! DHD's installer utilizes a self centering sleeve to help guide the..
$325.00
Brand: DFUSER Part Number: DFR-1002180
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 better than the factory-installed pipes, and they are also less likely to crack and cause restrictions or power-robbing pre-turbo exhaust leaks. Th..
$189.99
Brand: Dipaco Part Number: DT660027
The DTech DT660027 Valve Cover Gasket & Injector Installation Kit is the gasket kit you want to have when installing injectors in your 2001-2004 GM 6.6L Duramax LB7. This kit is meant to service one cylinder bank. It include (1) lower rocker arm cover gasket, (12) cover bolt noise isolator ..
$73.84
Brand: Dipaco Part Number: DT660014
The DTech DT660014 Valve Cover Noise Isolator Grommets are a direct replacement for the OE Isolators in your 2001-2004 GM 6.6L Duramax. With the increasing age of these trucks, replacement of gaskets and seals like this are recommended for a leak-free repair. OE style quality, built to meet or ..
$38.43
Brand: General Motors Part Number: 97226202
Fits: 2001-2004 GM 6.6L Duramax LB7This GM Glow Plug is an exact replacement for your 2001-2004 GM 6.6L Duramax LB7. Replacing a damaged glow plug can eliminate check engine lights and hard starting. This OE replacement is designed to the same high-quality standards as the original componetns that w..
$24.10
Brand: Mahle Part Number: GS33757
Fits: 2001-2004 GM 6.6L Duramax LB7 MAHLE GS33757 Valve Cover Gasket & Injector Seal Kit is an OEM replacement gasket kit for your 2001-2004 GM 6.6L Duramax LB7. The Valve Cover Gasket & Injector Seal Kit provides your Duramax with a factory performance and replaces tired and damaged ga..
$77.27
Brand: Mahle Part Number: VS50549
Fits: 2001-2004 GM 6.6L Duramax Regardless of what application you're trying to seal, you can count on Mahle doing the research and testing to provide the optimum material and technology for that specific task. No other gasket distributor offers their application-engineered approach to sealing ..
$66.74
Brand: Merchant Automotive Part Number: 10520
Over time and miles the injectors become heavily coated with carbon between the tip and sleeve causing them to stick together. When using a factory tool it rocks the injector binding it into the sleeve and will only pop up about 1/16 of an inch, by the time the injector is removed from the head the ..
$134.96
Brand: ProMAXX Performance Part Number: CHE872N
Fits: 2001-2004 GM 6.6L Duramax LB7 ProMaxx Performance has the answer for the epidemic of cracked GM Duramax 6.6L cylinder heads. Designed by ProMaxx from an OE casting, ProMaxx improved the casting strength with greater thickness in all crack prone areas. Developed as a direct bolt-on re..
$1,186.00
Brand: DFC Diesel Part Number: DFC660104LB7LB
Roughly a 14 week lead time, Contact to Confirm Lead Time!DFC Diesel Rebuilders prides itself in being the highest quality product on the market. This is why we can back our engines with a 5 year 100,000 Mile warranty that we stand behind.Our engines have been re-manufactured to factory sp..
$8,659.19
Brand: DFC Diesel Part Number: DFCSS660104LB7LB
Roughly 14 week lead time, Contact to Confirm Lead Time!STREET SERIESOur Street Series of engines are DFC’s flagship product. Built for work trucks, daily drivers and the diesel enthusiast in mind these engines are a vast improvement from stock as they contain important upgrades to common..
$9,961.90
Brand: Dirty Hooker Diesel Part Number: 300-120
DHD's high flow manifold bundle increases exhaust air flow over 55% without any port modifications. Additional gains can be found in port matching and port blending. Our manifolds are cast from the same high Silca Iron that's become standard in the high flow manifold market. Included in the high flo..
$795.00
Brand: Dirty Hooker Diesel Part Number: 300-125
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 at half of a new GM LB7 up-pipe price. DHD has taken OEM replacement to a new level. This stock replacement up pipe allow 53% greater flow than st..
$169.00
Brand: Alliant Power Part Number: AP0062
Alliant Head installation kit for LB7 Duramax without headgaskets and without studs by Alliant Power.Part number: AP0062..
$417.50
Brand: BD Power Part Number: 1043803
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 minimize restriction to the turbo utilizing internally shielded expansion bellows. The BD up-pipes are a durable, longer-life replacement for this co..
$284.95
Brand: Dirty Hooker Diesel Part Number: 300-119
*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 THE FEDERAL CLEAN AIR ACT (42 U.S.C. § 7522(A)(3))**This product is ONLY designed for closed course racing where it is legal to do so. Any other use w..
$409.00
Brand: Dirty Hooker Diesel Part Number: 300-118
*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 THE FEDERAL CLEAN AIR ACT (42 U.S.C. § 7522(A)(3))**This product is ONLY designed for closed course racing where it is legal to do so. Any other use w..
$599.00
Brand: Dirty Hooker Diesel Part Number: 300-117
Kit includes Gaskets and Hardware!Extended Length Up Pipe SetHigh Flow Manifolds RequiredThis extended length high flow up pipe set allows 53% greater flow than stock and is a designed to work with DHD or PPE high flow manifolds. Unlike factory parts, DHD's up pipe is manufa..
$319.00
Brand: Dirty Hooker Diesel Part Number: 300-124
Kit includes Gaskets and Hardware!Stainless Duramax Up Pipe SetBest FIT! Best Value!NO COREThese full featured OEM length up pipes are an excellent value! These are brand new and include all the high flow, high quality features your looking for at half of new GM LB7 up-pipes.DHD has taken OEM replac..
$289.00
Brand: Dirty Hooker Diesel Part Number: 300-121
*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 THE FEDERAL CLEAN AIR ACT (42 U.S.C. § 7522(A)(3))**This product is ONLY designed for closed course racing where it is legal to do so. Any other use w..
$925.00
Brand: DmaxStore Part Number: MAX-PAL-0104
Max-Flow Up-pipeFits 2001-2004 Silverado/Sierra w/Federal EmissionsPart# MAX-PAL-0104*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 THE FEDERAL CLEAN AIR ACT (42 U.S.C. § 7522(A)(3))**This product ..
$129.99
Brand: DmaxStore Part Number: MAX-ARAL-0104
Max-Flow Up-Pipes Fits 2001-2004 Silverado/Sierra Duramax w/Federal Emissions Part# MAX-ARAL-0104 *For use with OEM length/style manifolds only* *NOT LEGAL FOR SALE OR USE IN CALIFORNIA. THE MANUFACTURE, SALE, OFFER FOR SALE, OR INSTALLATION OF THIS PRODUCT MAY ALSO BE ILLEGAL NATIONWIDE..
$199.00
Brand: DmaxStore Part Number: MAX-PMF-0116 + MAX-ARAL-0104
Max-Flow Performance Series Duramax Manifolds& Up Pipes Fits 2001-2004 Silverado/Sierra 6.6 Duramax w/Federal Emissions Part# MAX-PMF-0116 + MAX-ARAL-0104 *NOT LEGAL FOR SALE OR USE IN CALIFORNIA. THE MANUFACTURE, SALE, OFFER FOR SALE, OR INSTALLATION OF THIS PRODUCT MAY ALSO BE ILLEGA..
$539.99
Brand: Fleece Performance Part Number: FPE-61-10001-D-CL
ALL NEW! Freedom Series cylinder heads for the LB7 6.6L Duramax now with a cupless injector bore - save time and money with no more injector cups to install, leak, or worry about. Each cylinder head is assembled from a new casting in our state-of-the-art Freedom Racing Engine shop and is guaranteed ..
$1,099.00
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