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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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  • S400 4.62 S400 down pipe with clamp

    Smeding
    $292.00 - $292.00
    $292.00
    $292.00 - $292.00
    $292.00

    S400 4.62 S400 down pipe with clamp

    $292.00 - $292.00
    $292.00
    $292.00 - $292.00
    $292.00
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    XDP X-tra Cool Direct-fit Replacement Radiator XD295

    XDP
    $522.00 - $522.00
    $522.00
    $522.00 - $522.00
    $522.00

    XDP Model XD295The XDP X-TRA Cool Direct-Fit Replacement Radiator XD295 is an upgrade for the old leaking radiator in your 2001-2005 GM 6.6L Durama...

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    $522.00 - $522.00
    $522.00
    $522.00 - $522.00
    $522.00
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    Fleece Performance 06-10 GM 2500/3500 Duramax 6.6L Fuel Pressure Regulator Wiring Harness

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $103.00
    $103.00 - $103.00
    $103.00

    Fleece Performance Model FPE-HAR-DMAX-FPROur Fuel Pressure Regulator (FPR) harness for the 2001-2010 6.6L Duramax is a direct replacement for GM Pa...

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    $0.00 - $0.00
    $0.00
    $103.00
    $103.00 - $103.00
    $103.00
  • responsive-image responsive-image Save 9% Save %

    Mishimoto Factory-Fit Intercooler Boot Kit 04.5-05 Chevrolet 6.6L Duramax LLY

    Mishimoto
    $307.00
    $307.00 - $307.00
    $307.00
    $279.00
    $279.00 - $279.00
    $279.00

    Mishimoto Factory-Fit Intercooler Boot Kit 04.5-05 Chevrolet 6.6L Duramax Direct fit for the 2004.5-2005 Chevrolet/GMC 6.6L Duramax Five layers ...

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    $307.00
    $307.00 - $307.00
    $307.00
    $279.00
    $279.00 - $279.00
    $279.00
    Save 9% Save %
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    Wehrli WCFab Coolant Tank Billet Cap - Black Anodized

    Wehrli
    $0.00 - $0.00
    $0.00
    $57.00
    $57.00 - $57.00
    $57.00

    Wehrli Model WCF100543Wehrli WCFab Coolant Tank Billet Cap - Black Anodized 18-20PSI Replacement Coolant Tank Cap, Black Anodized. Used on WCFab Fa...

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    $0.00 - $0.00
    $0.00
    $57.00
    $57.00 - $57.00
    $57.00
  • Photo - Primary Photo - Primary

    Yukon Gear Yoke For GM 11.5in w/A 1410 U/Joint Size

    Yukon Gear & Axle
    $500.00 - $500.00
    $500.00
    $500.00 - $500.00
    $500.00

    Yukon Gear & Axle Model YY GM12471500Yukon yoke for GM 11.5in. with a 1410 U/joint size. 4.188in. snap ring span; 1.188in. cap diameter. Outsid...

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    $500.00 - $500.00
    $500.00
    $500.00 - $500.00
    $500.00
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    Pro Form Fab 2003-2013 3rd Gen Dodge 2500/3500 Rear Integrated Bump Stop Lift Blocks

    Pro Form Fab
    $0.00 - $0.00
    $0.00
    $206.00
    $206.00 - $367.00
    $206.00

    2003-2013 3rd Gen Dodge 2500/3500 Product Description: We are proud to bring you our Heavy Duty fabricated rear lift blocks. These CNC cut, jig...

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    $0.00 - $0.00
    $0.00
    $206.00
    $206.00 - $367.00
    $206.00
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    Rough Country M1R Monotube Rear Shocks | 3-6.5" | Chevy/GMC 2500 SUV 2WD/4WD (2000-2010)

    Rough Country
    $513.00 - $513.00
    $513.00
    $513.00 - $513.00
    $513.00

    Rough Country Model 770738RES_JUnmatched Control. Maximum Performance: Rough Country's M1R Monotube Shocks with External Reservoir deliver the perf...

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    $513.00 - $513.00
    $513.00
    $513.00 - $513.00
    $513.00
  • Photo - Primary Photo - Primary Save 5% Save %

    FASS Duramax Filter Delete DFD-4000

    FASS Fuel Systems
    $121.00
    $121.00 - $121.00
    $121.00
    $115.00
    $115.00 - $115.00
    $115.00

    FASS Fuel Systems Model DFD4000FASS Duramax Filter Delete DFD-4000

    $121.00
    $121.00 - $121.00
    $121.00
    $115.00
    $115.00 - $115.00
    $115.00
    Save 5% Save %
  • User 1 Photo - Primary Save 9% Save %

    Mishimoto Mishimoto Steel Spiked Lug Nuts M14 x 1.5 32pc Set Black

    Mishimoto
    $169.00
    $169.00 - $169.00
    $169.00
    $154.00
    $154.00 - $154.00
    $154.00

    Mishimoto Model MMLG-SP1415-32BKThe details matter when you're building your dream car. Every bolt is meticulously chosen for not only function, bu...

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    $169.00
    $169.00 - $169.00
    $169.00
    $154.00
    $154.00 - $154.00
    $154.00
    Save 9% Save %
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    Wehrli Big Hitch Products License Plate Mount Bracket

    Wehrli
    $0.00 - $0.00
    $0.00
    $135.00
    $135.00 - $135.00
    $135.00

    Wehrli Big Hitch Products Model BHP4009 - Includes component for BHP 2" or 2.5" receiver behind roll pan hitches- Includes hardware for mounting ...

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    $0.00 - $0.00
    $0.00
    $135.00
    $135.00 - $135.00
    $135.00
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    Wehrli 99-23 GM Billet Coolant Heater Core Firewall Fitting

    Wehrli
    $0.00 - $0.00
    $0.00
    $60.00
    $60.00 - $60.00
    $60.00

    Wehrli Model 100155 *ALLOW 5-7 DAY LEAD TIME FOR SHIPMENT!Wehrli 99-23 GM Billet Coolant Heater Core Firewall Fitting The factory plastic GM Coolan...

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    $0.00 - $0.00
    $0.00
    $60.00
    $60.00 - $60.00
    $60.00
  • S&S Diesel Motorsport Duramax 10mm CP3 (1,325 mm3 /rev displacement) New. S&S Diesel Motorsport Duramax 12mm CP3 High Speed (1,590 mm3 /rev displacement) -New.

    S&S Diesel Motorsport Duramax 12mm CP3 High Speed (1,590 mm3 /rev displacement) -New

    S&S
    $3,810.00 - $3,810.00
    $3,810.00
    $3,810.00 - $3,810.00
    $3,810.00

    S&S Model CP3-DMX-12-HSS&S Diesel Motorsport Duramax 12mm CP3 High Speed (1,590 mm3 /rev displacement) | New LBZ-based. 2001-2010 Duramax T...

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    $3,810.00 - $3,810.00
    $3,810.00
    $3,810.00 - $3,810.00
    $3,810.00
  • S&S Diesel Motorsport Duramax 12mm CP3 (1,590 mm3 /rev displacement) -New. S&S Diesel Motorsport Duramax 12mm CP3 (1,590 mm3 /rev displacement) -New.

    S&S Diesel Motorsport Duramax 12mm CP3 (1,590 mm3 /rev displacement) -New

    S&S
    $3,663.00 - $3,663.00
    $3,663.00
    $3,663.00 - $3,663.00
    $3,663.00

    S&S Model CP3-DMX-12S&S Diesel Motorsport Duramax 12mm CP3 (1,590 mm3 /rev displacement) | New LBZ-based. 2001-2010 Duramax Trucks 2001-200...

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    $3,663.00 - $3,663.00
    $3,663.00
    $3,663.00 - $3,663.00
    $3,663.00
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    S&S Diesel Motorsport Single Stage Pressure Relief Valve External Return LB7/5.9 Style 1850bar M18x1.5

    S&S
    $245.00 - $245.00
    $245.00
    $245.00 - $245.00
    $245.00

    S&S Model PRV-E-1850-1SS&S Diesel Motorsport Single Stage Pressure Relief Valve External Return. LB7/5.9 Style 1850bar M18x1.5

    $245.00 - $245.00
    $245.00
    $245.00 - $245.00
    $245.00
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    CSF 2001 Chevrolet Silverado 2500HD 6.6L OEM Intercooler

    CSF
    $575.00 - $575.00
    $575.00
    $575.00 - $575.00
    $575.00

    CSF Model 6007CSF 2001 Chevrolet Silverado 2500HD 6.6L OEM Intercooler

    $575.00 - $575.00
    $575.00
    $575.00 - $575.00
    $575.00
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    Fleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Medium Line

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $147.00
    $147.00 - $147.00
    $147.00

    Fleece Performance Model FPE-TL-LB7-LMM-MED-SERFleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Medium Line ...

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    $0.00 - $0.00
    $0.00
    $147.00
    $147.00 - $147.00
    $147.00
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    6 Inch Lift Kit | Chevy/GMC Sierra/Silverado 2500 4WD (1999-2004)

    Rough Country
    $1,905.00 - $1,905.00
    $1,905.00
    $1,905.00 - $1,905.00
    $1,905.00

    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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    $1,905.00 - $1,905.00
    $1,905.00
    $1,905.00 - $1,905.00
    $1,905.00
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    M14 x 1.5 Lug Nut Set of 32 | Chrome | Open End

    Rough Country
    $59.00 - $59.00
    $59.00
    $59.00 - $59.00
    $59.00

    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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    $59.00 - $59.00
    $59.00
    $59.00 - $59.00
    $59.00
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    2" Rear Block Kit - GM Truck

    ReadyLift
    $249.00 - $249.00
    $249.00
    $249.00 - $249.00
    $249.00

    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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    $249.00 - $249.00
    $249.00
    $249.00 - $249.00
    $249.00
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    Wehrli LB7/LLY/LBZ/LMM Duramax Upper Coolant Pipe Plug

    Wehrli
    $0.00 - $0.00
    $0.00
    $60.00
    $60.00 - $60.00
    $60.00

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

    $0.00 - $0.00
    $0.00
    $60.00
    $60.00 - $60.00
    $60.00
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    Exergy LB7 Duramax Rail End to M14x1.5

    Exergy
    $105.00 - $105.00
    $105.00
    $105.00 - $105.00
    $105.00

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

    $105.00 - $105.00
    $105.00
    $105.00 - $105.00
    $105.00
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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
    $214.00
    $214.00 - $214.00
    $214.00

    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
    $214.00
    $214.00 - $214.00
    $214.00
    Select Options
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    Wehrli 01-16 Chevrolet Duramax Exhaust Manifold Kit w/ Gaskets & Hardware

    Wehrli
    $0.00 - $0.00
    $0.00
    $2,054.00
    $2,054.00 - $2,054.00
    $2,054.00

    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
    $2,054.00
    $2,054.00 - $2,054.00
    $2,054.00

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