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LB7 Duramax Parts

Getting the most from your engine matters, especially when it’s a classic such as the LB7 Duramax. If your truck has one of these, you might be concerned about where to find everything you need to keep it in its best possible condition. Fortunately, Powerhouse Diesel has a huge selection of LB7 Duramax parts to help you boost its performance, extend its lifespan and ensure it remains in good working order for as long as possible.

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    6 Inch Lift Kit | Chevy/GMC Sierra/Silverado 2500 4WD (1999-2004)

    Rough Country
    $1,299.95 - $1,299.95
    $1,299.95
    $1,299.95 - $1,299.95
    $1,299.95

    Take your Heavy Duty Truck to the next level with Rough Country's 6-inch Suspension Lift designed to run up to 35-inch tires. Gain increased ground...

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    $1,299.95 - $1,299.95
    $1,299.95
    $1,299.95 - $1,299.95
    $1,299.95
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    M14 x 1.5 Lug Nut Set of 32 | Chrome | Open End

    Rough Country
    $39.95 - $39.95
    $39.95
    $39.95 - $39.95
    $39.95

    Secure your new wheels with Rough Countrys Bulge Acorn Style Lug Nuts. These cold-forged lug nuts are plated with a beautiful chrome finish for a l...

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    $39.95 - $39.95
    $39.95
    $39.95 - $39.95
    $39.95
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    2" Rear Block Kit - GM Truck

    ReadyLift
    $169.95 - $169.95
    $169.95
    $169.95 - $169.95
    $169.95

    Readylift Model 66-3052 QUICK OVERVIEW Chevy/GMC 2" OEM Style Rear Block Kit for 1988-98 GM 1500 2000-2010 GM HD 2500/3500 8-lug Includes new longe...

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    $169.95 - $169.95
    $169.95
    $169.95 - $169.95
    $169.95
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    Wehrli LB7/LLY/LBZ/LMM Duramax Upper Coolant Pipe Plug

    Wehrli
    $0.00 - $0.00
    $0.00
    $40.74
    $40.74 - $40.74
    $40.74

    Wehrli Model WCF205-280Wehrli LB7/LLY/LBZ/LMM Duramax Upper Coolant Pipe Plug

    $0.00 - $0.00
    $0.00
    $40.74
    $40.74 - $40.74
    $40.74
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    Exergy LB7 Duramax Rail End to M14x1.5

    Exergy
    $71.00 - $71.00
    $71.00
    $71.00 - $71.00
    $71.00

    Exergy Model 1-018-134Exergy LB7 Rail End to M14x1.5

    $71.00 - $71.00
    $71.00
    $71.00 - $71.00
    $71.00
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    Wehrli 01-19 Chevrolet LB7/LLY/LBZ/LMM/LML/L5P Duramax Brake Master Cylinder Cover

    Wehrli
    $0.00 - $0.00
    $0.00
    $145.50
    $145.50 - $145.50
    $145.50

    Wehrli Model WCF100205Clean up the engine bay of your 2001-2019 Chevy Silverado or GMC Sierra 2500/3500 Duramax truck with this custom powder coate...

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    $0.00 - $0.00
    $0.00
    $145.50
    $145.50 - $145.50
    $145.50
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    Wehrli 01-16 Chevrolet Duramax Exhaust Manifold Kit w/ Gaskets & Hardware

    Wehrli
    $0.00 - $0.00
    $0.00
    $1,401.65
    $1,401.65 - $1,401.65
    $1,401.65

    Wehrli Model WCF100363 Wehrli 01-16 Chevrolet Duramax Exhaust Manifold Kit w/ Gaskets & Hardware Fully TIG Welded, CNC machined billet steel ...

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    $0.00 - $0.00
    $0.00
    $1,401.65
    $1,401.65 - $1,401.65
    $1,401.65
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    Wehrli 01-10 Chevrolet 6.6L Duramax Traction Bar Install Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $276.45
    $276.45 - $276.45
    $276.45

    Wehrli Model WCF100840 Built in house at WCFab our traction bar brackets bolt on to the bottom of the axle tube via the axle u-bolts and weld to th...

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    $0.00 - $0.00
    $0.00
    $276.45
    $276.45 - $276.45
    $276.45
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    Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit

    Wehrli
    $524.00
    $524.00 - $524.00
    $524.00
    $474.33
    $474.33 - $474.33
    $474.33

    Wehrli Model WCF100405 The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper rad...

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    $524.00
    $524.00 - $524.00
    $524.00
    $474.33
    $474.33 - $474.33
    $474.33
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    Wehrli 01-04 Duramax LB7 Stage 2 High Flow Bundle Intake Bundle Kit

    Wehrli
    $1,855.00
    $1,855.00 - $1,855.00
    $1,855.00
    $1,799.95
    $1,799.95 - $1,799.95
    $1,799.95

    Wehrli Model WCF100435 WCFab 2001-2004 GM LB7 6.6L Duramax Stage 2 High Flow Intake Bundle Kit Stage 2 upgrade for the 2001-2004 LB7 Duramax combin...

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    $1,855.00
    $1,855.00 - $1,855.00
    $1,855.00
    $1,799.95
    $1,799.95 - $1,799.95
    $1,799.95
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    Wehrli 01-04 Chevrolet 6.6L LB7 Duramax Driver Side 3in Intercooler Pipe

    Wehrli
    $0.00 - $0.00
    $0.00
    $305.55
    $305.55 - $305.55
    $305.55

    Wehrli Model WCF100349 1 Piece 3" Driver Side Intercooler pipe that was designed to replace the factory pipe and low-quality silicone boots. This I...

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    $0.00 - $0.00
    $0.00
    $305.55
    $305.55 - $305.55
    $305.55
    Select Options
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    Fleece Performance Duramax Remote Turbo Oil Feed Line Kit for 01-16 6.6L Duramax Turbochargers

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $99.99
    $99.99 - $99.99
    $99.99

    Fleece Performance Model FPE-DTFL-0116Make turbo installations easier and ensure good oil supply to your turbocharger with our remote oil feed line...

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    $0.00 - $0.00
    $0.00
    $99.99
    $99.99 - $99.99
    $99.99
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    Fleece Performance 01-16 GM 2500/3500 Duramax Billet Oil Cap Cover - Black

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $39.99
    $39.99 - $39.99
    $39.99

    Fleece Performance Model FPE-DMAX-OC-BLKDress up your engine bay with our billet aluminum oil cap for the Chevy Duramax! Includes o-ring and cam-lo...

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    $0.00 - $0.00
    $0.00
    $39.99
    $39.99 - $39.99
    $39.99
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    BD Diesel Manifold Exhaust - 2001-2010 Duramax

    BD Diesel
    $191.04 - $191.04
    $191.04
    $285.95
    $285.95 - $285.95
    $285.95

    The BD Full Bore Exhaust Manifold for the Chevy Duramax engine replaces factory driver's side "pinched down" unit, restoring exhaust flow and balan...

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    $191.04 - $191.04
    $191.04
    $285.95
    $285.95 - $285.95
    $285.95
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    SCT Performance Livewire TS+ Replacement OBD2 Cable

    SCT Performance
    $25.00 - $25.00
    $25.00
    $25.00 - $25.00
    $25.00

    SCT Performance LLC. is a leading provider of handheld automotive performance / fuel economy programmers and custom tuning software for Ford, Gener...

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    $25.00 - $25.00
    $25.00
    $25.00 - $25.00
    $25.00
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    Yukon Gear 07-19 Chevrolet Silverado 2500 HD/3500 HD High-Capacity Aluminum Allison Transmission Pan

    Yukon Gear & Axle
    $430.89 - $430.89
    $430.89
    $430.89 - $430.89
    $430.89

    Whether on the road, on the trail, or towing, superior cooling is vital for reliable transmission shifting. Yukon’s high-capacity transmission pa...

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    $430.89 - $430.89
    $430.89
    $430.89 - $430.89
    $430.89
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    BD Diesel TapShifter - Chevy 2003-2005 Duramax 6.6L Allison 1000

    BD Diesel
    $458.76 - $458.76
    $458.76
    $482.95
    $482.95 - $482.95
    $482.95

    Add fingertip control to your 2001-2005 Duramax Allison 1000 transmission for easy Tap Shifting when passing, pulling, hill climbing or whenever yo...

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    $458.76 - $458.76
    $458.76
    $482.95
    $482.95 - $482.95
    $482.95
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    BD Diesel FleX-Plate - Chevy 2001-2011 Duramax 6.6L w/Allison Trans

    BD Diesel
    $446.15 - $446.15
    $446.15
    $459.95
    $459.95 - $459.95
    $459.95

    BDs FleX-Plate is designed specifically for modified applications, and can reliably handle up to 1,500 lb.-ft. of torque. Twice as thick as the sto...

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    $446.15 - $446.15
    $446.15
    $459.95
    $459.95 - $459.95
    $459.95
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    USA Standard Gear Standard Spider Gear Set For GM 9.5in / 33 Spline

    Yukon Gear & Axle
    $209.89 - $209.89
    $209.89
    $209.89 - $209.89
    $209.89

    USA Standard Gear spider gear kits feature high quality materials and superior manufacturing techniques to produce a longer lasting spider gear set...

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    $209.89 - $209.89
    $209.89
    $209.89 - $209.89
    $209.89
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    Fox 01-10 Chevy HD 2.0 Perf Series 5.1in. Smooth Body Remote Res. Front Shock / 0-1in. Lift - Alum.

    FOX
    $356.95 - $356.95
    $356.95
    $356.95 - $356.95
    $356.95

    Increase your vehicle's off-road capability by extending drop-out travel in most applications. Experience on-road comfort with performance-minded s...

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    $356.95 - $356.95
    $356.95
    $356.95 - $356.95
    $356.95
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    Bilstein B1 Reservoir Clamps - Black Anodized

    Bilstein
    $42.00 - $42.00
    $42.00
    $42.00 - $42.00
    $42.00

    Chevrolet Avalanche 2013-2007, Avalanche 1500 2006-2002, Avalanche 2500 2006-2002, Silverado 1500 2018-1999, Silverado 1500 Classic 2007, Silverado...

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    $42.00 - $42.00
    $42.00
    $42.00 - $42.00
    $42.00
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    Air Lift Load Controller Single Heavy Duty Compressor

    Air Lift
    $407.99 - $407.99
    $407.99
    $407.99 - $407.99
    $407.99

    Offering quick and convenient air pressure adjustment, LoadController (Compact, Single Path, Heavy Duty) will have your vehicle back on the level i...

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    $407.99 - $407.99
    $407.99
    $407.99 - $407.99
    $407.99
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    Mishimoto 01-21 Silverado Sierra Express Savana Duramax 6.6L High Temp Thermostat Set

    Mishimoto
    $110.00
    $110.00 - $110.00
    $110.00
    $99.95
    $99.95 - $99.95
    $99.95

    Mishimoto 01-10 Chevy Duramax 2500 6.6L 185 & 191F Degrees Racing Thermostat The Mishimoto Chevrolet Duramax high temperature thermostats activ...

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    $110.00
    $110.00 - $110.00
    $110.00
    $99.95
    $99.95 - $99.95
    $99.95
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    Mishimoto Upper & Lower Silicone Radiator Hose Kit 2001-2005 Duramax 6.6L

    Mishimoto
    $352.00
    $352.00 - $352.00
    $352.00
    $319.95
    $319.95 - $319.95
    $319.95

    Mishimoto Upper & Lower Silicone Radiator Hose Kit 2001-2005 Duramax 6.6L Mishimoto's Duramax coolant hose kits are constructed from a combinat...

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    $352.00
    $352.00 - $352.00
    $352.00
    $319.95
    $319.95 - $319.95
    $319.95
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BUILT FOR PERFORMANCE

Developed out of a collaboration between General Motors and Isuzu, the Duramax LB7 is a first-generation diesel engine and the first to bear the name “Duramax.” It was designed to fit the HD range of GM pickup trucks, including the Chevy Silverado HD and GMC Sierra HD. Introduced in 2001, it saw production until its replacement with the LLY Duramax in 2004. Overall, it’s known as a reliable and strong diesel engine, which is why so many owners are willing to take the time to take care of them.

Here at Powerhouse Diesel, our inventory of LB7 duramax performance parts and accessories includes just about everything you could need. We have a huge range of options from many of the top manufacturers in the industry, including Fleece, Kryptonite,DDP and Rough Country. This is critical because when you’re trying to make improvements to how your engine performs, you need to have the highest-quality components. Without the best LB7 upgrades, there’s a good chance you’ll continue to have issues with your engine.

Our selection of LB7 duramax parts can help you no matter what you’re looking for from your truck. Whether you’re trying to boost efficiency, get more raw power or just need to perform routine maintenance, we have something to help you. Here you’ll find LB7 accessories and parts including:

  • Suspension parts
  • Turbochargers
  • Exhausts
  • Injectors
  • Intakes and cooling system parts
  • Injection pumps and lift pumps
  • And more

LET US SHOW YOU THE WAY

Our expertise and knowledge make us the best place to look for parts to upgrade your LB7 Duramax. When you shop with us, our experienced team can help you narrow down your search and find the components that are perfect for whatever result you want. We’ll answer your questions and show you all your options so you can get the most from your engine. If you’re ready to learn more about what we have in stock and what it can do for you, browse through our products or get in touch with us today.

Powerhouse Diesel