2001-2004 GM 6.6L LB7 Duramax Engine Parts

Direct fit replacement glow plug by Diamond Advantage for 01-04 GM LB7 6.6L Duramax. Meets or exceeds factory specs. Provides a perfect fit, function and performance. Warranty:Diamond Advantage offers a two-year, unlimited mileage warranty with labor coverage, so customers can enjoy peace ..

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..

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..

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..

All on Backorder with No ETA   **Updated on 11/24/2023**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 variety of..

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..

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..

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 RPM,..

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..

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..

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 ..

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 ..

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..

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..

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 ..

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 ..

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..

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 stock ..

Alliant Head installation kit for LB7 Duramax without headgaskets and without studs by Alliant Power.Part number: AP0062..

*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..

*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..

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..

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..

*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..

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 ..

Max-Flow Up-PipesFits 2001-2004 Silverado/Sierra Duramax w/Federal EmissionsPart# 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 UNDER THE FEDER..

Max-Flow Performance Series Duramax Manifolds& Up PipesFits 2001-2004 Silverado/Sierra 6.6 Duramax w/Federal EmissionsPart# 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 ILLEGAL NATION..

Genuine Bosch fuel pressure regulator O-Ring Seal for 01-04 GM LB7 6.6L Duramax.Part number: 1928300718..

Use our improved lower valve cover bolt kit with a hex bolt instead of the allen head bolt that is sometimes hard to get a socket or wrench on. By using our bolts, you will better be able to service your engine.Set of 12 bolts. Services one sideIncludes:LOWER VALVE COVER BOLT LB7-Each #M6C30BF10P/DP..

Replace your damaged or stripped out bolts with new replacements. Sold in packs of 11. Services one side.Includes:Upper Valve Cover Bolt, LB7, 2001-2003, Each #91290A323Part number: 10196..

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, made from aircraft-grade 304 stainless steel, and designed with increased inner diameter for higher flow. The entire Manifold and Up-Pipe exhaust system..

On backorder with an ETA of 3/9/2024 (Updated 11/16/23)The XDP LB7 Injector Cup & O-Ring Set XD410 helps hold the fuel injector in the cylinder head of your 2001-2004 GM 6.6L Duramax LB7. The factory injector cups are known to seize in the head, leak, and even corrode. When this happens it can o..

Max-Flow Race Series Manifold & Up Pipe KitFits 2001-2004 Silverado/Sierra 6.6 Duramax w/Federal EmissionsIntroducing The Max-Flow Diesel Up Pipes and Manifolds.Providing up to an incredible 55% increase in air flow over stock. These Manifolds are made tough using high quality Silica Moly Cast I..

Replace your damaged or inoperative Duramax PCV valve with this all in one service kit from DHD. As your truck ages these diaphragms swell and distort from exposure to temperature cycles and engine oil. This distortion can decrease the valves efficiency and lead to oil leaks. DHD's service kit inclu..

DHD's TORQ series studs provide the perfect blend of quality and value that all Motorsports enthusiast's seek. These studs are designed to provide marketplace options for the hobbyist and a high quality budget friendly alternative to inadequate OE hardware. While working directly with the manuf..

Mahle Intake Manifold Gasket kit for 2001-2005 GM 6.6L Duramax LB7/LLYPart number: MS19402..

This is a 12V glow plug for 2001-2004 LB7 and 2004-2005 LLY Chevrolet/GMC 6.6L Duramax engines. This plug is a self-regulating design which allows for fast and safe startups. This engine uses eight glow plugs.Note: 2006 and Later LLY engines use DRX00057 plugsReplaces the following part numbers:AC D..

This is the rear output seal for NP261XHD and NP263XHD transfer cases with an integrated boot.What is a Transfer Case "Pump Rub" Failure?GM transfer cases used from 1998 through early 2007 use a gear pump inside the case that is driven off the mainshaft. The pump forces oil to the planetary as well ..

The Cometic PRO3008B Bottom End Gasket Kit for your 2001-2007 GM 6.6L Duramax provides the seals and gaskets needed to reseal the bottom end of your engine. Protect your engine, time and money with Cometic StreetPro Gasket Kits. Cometic Gasket has spent hundreds of hours of research and develop..

The Cometic C5882 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 variety of harsh sealing environments, load conditions, and surface fin..

 The MAHLE CS54580 Lower Engine Gasket Set for your 2001-2007 GM 6.6L Duramax is a direct replacement gasket set for your Duramax engine. This kis is designed to be used with the MAHLE Head Set to make a full gasket kit.CS54580 Engine Conversion Gasket Set SpecificationsWate..

Fits: 2001-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L DuramaxThis replacement engine oil dipstick is a direct replacement for a damaged or missing original equipment dipstick. Level marks are clearly distinguished and properly gauged for accuracy.Dorman 921-046..

Ditch the grit. Get rid the dirtiest oil left in the valley of your stock pan from all your previous oil changes.The stock Duramax engine oil pan is stamped steel (very poor heat dissipation) and there is a valley in the pan which prevents your old oil from being completely drained on each oil chang..

The Wagler WCPC6669 Pinned Oil Pump is an excellent upgrade for the oiling system when rebuilding the engine in your 2001-2010 GM 6.6L Duramax. Wagler starts with a brand-new GM oil pump and pins the gear to the shaft to prevent the gear from spinning off the shaft. This pump includes the gear &..