Parts & Accessories For 2001-2004 GM Trucks with 6.6 Duramax LB7 Engines

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The LB7 Duramax 6.6 diesel engine was considered revolutionary when it debuted in 2001. Features such as a common rail fuel system, direct injection, and aluminum cylinder heads set it apart from the competition. From Crate Engines to Tie Rod Ends, XDP has all the parts to get your 2001-2004 Chevrolet Silverado or GMC Sierra 2500HD/3500HD back on the road.

2001-2004 Chevy Silverado & GMC Sierra 2500HD/3500HD with 6.6 LB7 Duramax Engine  

Maintain Your 6.6 LB7 Diesel  

• Engine Oil & Filters - You can help extend the life of your engine by following the manufacturer’s recommended schedule and changing the oil regularly. Shop top manufacturers like Royal Purple, Hot Shot's Secret, and Lucas Oil.
• Air Filters - Get clean air into your engine with the factory drop-in and high-flow aftermarket replacement filters AEM, K&N, and AFE.
• Fuel Filters - Choose factory replacement or aftermarket filters to maintain the fuel system.   
• Coolant - Maintain your cooling system with high-quality coolants from Hot Shot's Secret, Mishimoto, and Evans Waterless Engine Coolant.  

Common Repair Parts 

• Fuel Injectors - LB7 Engines had issues with the fuel injectors failing due to a design flaw from the factory. XDP offers replacement injectors from Bostech, Bosch, and BD-Power
• Fuel Filter Housing - Repair or replace your leaking fuel filter housing with products from Merchant Automotive and Racor.   
• Tie Rods - The factory tie rods are known to break under heavier loads and lifted applications. Repair or upgrade the tie rods with beefier tie rods or tie sleeves from PPE, Moog, Cognito, and BD-Power.

Popular Upgrades 

• Cold Air Kit - Enhance the airflow into your Duramax with intake systems from S&B, K&N, Volant, and Banks Power.   
• Tuner - Increase horsepower and torque with programmers and modules from Edge, Superchips, and Banks Power.   
• Exhaust - Reduce back pressure with a 4” or 5” exhaust system from MBRP, Banks Power, and AFE.   
• Crank Pin Kit - The factory dowel pin is known to shear off causing the balancer to spin on the snout of the crankshaft.
• Lift Pump - The Duramax engines did not come from the factory with a lift pump, so adding one can improve fuel delivery in your truck. XDP offers lift pumps from top brands like FASS and AirDog.  

Popular Accessories  

• Tonneau Cover - Protect the cargo in the bed of your truck with covers from Access, BAK, and Bestop.   
• Floor Liners - Protect the floors in your truck clean with WeatherTech and Husky Liners.   
• Running Boards - Enter and exit your truck with ease when you install Nerf bars from brands like AMP Research and N-Fab.  

Lift & Leveling Kits  

• Lift Kits - Increase ground clearance and off-road performance with kits from ReadyLift, Daystar, Rough Country, and more.   
• Leveling Kits - Level your truck with kits from Cognito, Tuff Country, and Kryptonite.  

Appearance Upgrades  

• Headlights/Tail Lights - Update the look of your truck with headlights and tail lights from Anzo, Spyder, and more.   
• Wheels - Help your truck stand out from the crowd with wheels from DDC Wheels and Fuel Off-Road.

Towing/Hauling Products  

• Hitches - Find the perfect hitch to fit your needs, from drop hitches, fifth wheel, and gooseneck options.   
• Air Bags & Load Support - Towing with more stability and greater confidence with products from Air Lift, Timbren, Firestone, and more.