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Duramax Parts

High-quality Duramax performance parts are a must if you’re trying to get more out of your Chevy or GMC Duramax engine. That’s why Powerhouse Diesel stocks a wide range of Duramax parts engineered specifically to Get the most out of your truck. When you choose to shop with us, you can take advantage of our extensive expertise and experience to help you find the ideal solution for what you need from your engine.

Not only do we have a comprehensive inventory of Duramax diesel parts, but also we offer the highest levels of customer service. Our team is made up of gearheads just like you, meaning we spend as much time under the hood as anyone. You can trust us to guide you in the right direction, so you’ll have the correct parts that make the most sense for your needs.

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    DDP Duramax 01-04 LB7 Brand New Injector Set - SAC Nozzle 150% Over

    DDP
    $0.00 - $0.00
    $0.00
    $6,734.00
    $6,734.00 - $6,734.00
    $6,734.00

    DDP Model DDPNLB7-300Duramax 01-04 LB7 Injector Set: Brand New injector set. SAC Nozzles at 150 percent over with injector body modifications for a...

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    $0.00 - $0.00
    $0.00
    $6,734.00
    $6,734.00 - $6,734.00
    $6,734.00
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    DDP Duramax 01-04 LB7 Brand New Injector Set - 100 (60% Over)

    DDP
    $0.00 - $0.00
    $0.00
    $6,186.00
    $6,186.00 - $6,186.00
    $6,186.00

    DDP Model DDPNLB7-100Duramax 01-04 LB7 Injector Set: Brand New injector set flowing at 60 percent over, capable of 750-800 RWHP. Modified or Dual C...

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    $0.00 - $0.00
    $0.00
    $6,186.00
    $6,186.00 - $6,186.00
    $6,186.00
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    DDP Duramax 01-04 LB7 Brand New Stock CP3

    DDP
    $0.00 - $0.00
    $0.00
    $1,918.00
    $1,918.00 - $1,918.00
    $1,918.00

    DDP Model DDPNCP3-303Duramax 01-04 LB7: Brand New replacement stock CP3 injection pump. No core charge. Details: Liter: 6.6 Engine: LB7 Duramax Ye...

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    $0.00 - $0.00
    $0.00
    $1,918.00
    $1,918.00 - $1,918.00
    $1,918.00
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    BD Diesel 2001-2004 Chevy Duramax LB7 Premium Performance Plus Injector (0986435502)

    BD Diesel
    $501.00 - $501.00
    $501.00
    $538.00
    $538.00 - $538.00
    $538.00

    BD Diesel Performance is unique among its peers in that it designs, manufactures and distributes a wide range of products specifically engineered f...

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    $501.00 - $501.00
    $501.00
    $538.00
    $538.00 - $538.00
    $538.00
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    BD Diesel Reman Injector Set With Install Kit 2001-2004 LB7 Duramax 6.6L

    BD Diesel
    $3,745.00 - $3,745.00
    $3,745.00
    $3,966.00
    $3,966.00 - $3,966.00
    $3,966.00

    All-in-one kit for doing an injector install on an LB7 Duramax engine. Includes BD-Built stock replacement injectors (8) injector lines (8), valve ...

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    $3,745.00 - $3,745.00
    $3,745.00
    $3,966.00
    $3,966.00 - $3,966.00
    $3,966.00
    Select Options
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    BD Diesel Stock Replacement Injector 2001-2004 LB7 Duramax

    BD Diesel
    $456.00 - $456.00
    $456.00
    $481.00
    $481.00 - $481.00
    $481.00

    BD-Built Stock replacement injectors are OE quality, assembled using OE procedures, and fully calibrated and tested to ensure perfect operatio...

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    $456.00 - $456.00
    $456.00
    $481.00
    $481.00 - $481.00
    $481.00
    Select Options
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    BD Diesel Valve Body - 2001-2004 Duramax LB7 Allison 1000

    BD Diesel
    $1,651.00 - $1,651.00
    $1,651.00
    $1,768.00
    $1,768.00 - $1,768.00
    $1,768.00

    BD Diesel Valve Body - 2001-2004 Duramax LB7 Allison 1000 BD's exchange valve bodies are modified, tuned and tested to provide optimum performance...

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    $1,651.00 - $1,651.00
    $1,651.00
    $1,768.00
    $1,768.00 - $1,768.00
    $1,768.00
    Select Options
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    BD Diesel TapShifter - Chevy 2001-2002 Duramax 6.6L Allison 100

    BD Diesel
    $698.00
    $698.00 - $698.00
    $698.00
    $697.00
    $697.00 - $697.00
    $697.00

    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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    $698.00
    $698.00 - $698.00
    $698.00
    $697.00
    $697.00 - $697.00
    $697.00
    Save 0% Save %
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    ARP Duramax 6.6L Lb7 Hex Valve Cover Bolt Kit - Polished Stainless Steel

    ARP
    $199.00 - $199.00
    $199.00
    $199.00 - $199.00
    $199.00

    ARP Model 400-7532ARP Duramax 6.6L Lb7 Hex Valve Cover Bolt Kit - Polished Stainless Steel

    $199.00 - $199.00
    $199.00
    $199.00 - $199.00
    $199.00
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    ARP Duramax 6.6L LB7 Hex Valve Cover Bolt Kit

    ARP
    $137.00 - $137.00
    $137.00
    $137.00 - $137.00
    $137.00

    ARP Model 100-7532ARP Duramax 6.6L LB7 Hex Valve Cover Bolt Kit

    $137.00 - $137.00
    $137.00
    $137.00 - $137.00
    $137.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 10mm Stroker CP3 Pump (LBZ Based w/FCA)

    Exergy
    $3,101.00 - $3,101.00
    $3,101.00
    $3,101.00 - $3,101.00
    $3,101.00

    Exergy Model E04 10106Exergy 01-04 Chevrolet Duramax 6.6L LB7 10mm Stroker CP3 Pump (LBZ Based w/FCA) Do you want the capability of more power with...

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    $3,101.00 - $3,101.00
    $3,101.00
    $3,101.00 - $3,101.00
    $3,101.00
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    Mishimoto 01-03 Chevrolet / GMC 6.6L Duramax (LB7) Transmission Cooler

    Mishimoto
    $792.00
    $792.00 - $792.00
    $792.00
    $720.00
    $720.00 - $720.00
    $720.00

    There's no greater enemy for a transmission than heat. Whether your 2001-2003 Chevy/GMC 6.6L Duramax is a dedicated tow vehicle, hardworking fleet ...

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    $792.00
    $792.00 - $792.00
    $792.00
    $720.00
    $720.00 - $720.00
    $720.00
    Save 9% Save %
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    Mishimoto Aluminum Intercooler 2001-2005 LB7 LLY Duramax 6.6L - BLACK

    Mishimoto
    $1,666.00
    $1,666.00 - $1,666.00
    $1,666.00
    $1,515.00
    $1,515.00 - $1,515.00
    $1,515.00

    Mishimoto Aluminum Intercooler 2001-2005 LB7 LLY Duramax 6.6L - BLACK Mishimoto has expanded their Duramax performance parts line to include a perf...

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    $1,666.00
    $1,666.00 - $1,666.00
    $1,666.00
    $1,515.00
    $1,515.00 - $1,515.00
    $1,515.00
    Save 9% Save %
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    Mishimoto Aluminum Intercooler 2001-2005 LB7 LLY Duramax 6.6L - SILVER

    Mishimoto
    $1,666.00
    $1,666.00 - $1,666.00
    $1,666.00
    $1,515.00
    $1,515.00 - $1,515.00
    $1,515.00

    Mishimoto Aluminum Intercooler 2001-2005 LB7 LLY Duramax 6.6L - SILVER Mishimoto has expanded their Duramax performance parts line to include a per...

    View full details
    $1,666.00
    $1,666.00 - $1,666.00
    $1,666.00
    $1,515.00
    $1,515.00 - $1,515.00
    $1,515.00
    Save 9% Save %
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    Mishimoto Aluminum Radiator 2001-2005 LB7 LLY Duramax 6.6L

    Mishimoto
    $1,507.00
    $1,507.00 - $1,507.00
    $1,507.00
    $1,370.00
    $1,370.00 - $1,370.00
    $1,370.00

    Mishimoto Aluminum Radiator 2001-2005 LB7 LLY Duramax 6.6L Mishimoto has released a performance aluminum radiator for the 2001-2005 Chevrolet/GMC 6...

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    $1,507.00
    $1,507.00 - $1,507.00
    $1,507.00
    $1,370.00
    $1,370.00 - $1,370.00
    $1,370.00
    Save 9% Save %
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    Mishimoto Aluminum Intercooler Pipe & Boot Kit 2002*-2004 LB7 - NOT 2001 MODEL

    Mishimoto
    $809.00
    $809.00 - $809.00
    $809.00
    $736.00
    $736.00 - $736.00
    $736.00

    The Mishimoto 6.6L Duramax intercooler pipe and boot kit is an ideal upgrade in reliability and performance.The Mishimoto kit features polished al...

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    $809.00
    $809.00 - $809.00
    $809.00
    $736.00
    $736.00 - $736.00
    $736.00
    Save 9% Save %
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    Fleece 01-04 GM Silverado/Sierra 2500 6.6L-V8 Duramax Truck PowerFlo In-tank Lift Pump

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $936.00
    $936.00 - $936.00
    $936.00

    Fleece Performance Model FPE-PF-GM-0104Fleece Performance Model FPE-PF-GM-0104Fleece 01-04 GM Silverado/Sierra 2500 6.6L-V8 Duramax Truck PowerFlo ...

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    $0.00 - $0.00
    $0.00
    $936.00
    $936.00 - $936.00
    $936.00
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    Fleece Performance 01-04 GM Duramax 6.6L LB7 63mm Billet LB7 Cheetah Turbocharger

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $2,883.00
    $2,883.00 - $2,883.00
    $2,883.00

    Fleece Performance Model FPE-LB7-63Wake up your 2001-2004 LB7 with the drop in replacement Fleece Performance LB7 Cheetah Turbocharger. Featuring a...

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    $0.00 - $0.00
    $0.00
    $2,883.00
    $2,883.00 - $2,883.00
    $2,883.00
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    Fleece Performance 01-04 GM Duramax 6.6L LB7 High Flow LB7 Intake Horn

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $144.00
    $144.00 - $144.00
    $144.00

    Fleece Performance Model FPE-INTAKEHORNIncrease your LB7?s potential with this simple, but effective upgrade. Back-to-back dyno pulls showed an inc...

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    $0.00 - $0.00
    $0.00
    $144.00
    $144.00 - $144.00
    $144.00
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    Fleece Performance 01-04 GM Duramax LB7 Freedom Cylinder Head w/Cupless Injector Bore (Driver Side)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $1,729.00
    $1,729.00 - $1,729.00
    $1,729.00

    Fleece Performance Model FPE-61-10001-D-CLFreedom Series cylinder heads for the LB7 6.6L Duramax now with a cupless injector bore - save time and m...

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    $0.00 - $0.00
    $0.00
    $1,729.00
    $1,729.00 - $1,729.00
    $1,729.00
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    Fleece Performance 01-04 GM Duramax LB7 Freedom Cylinder Head w/Cupless Injector Bore (Pssgr Side)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $1,729.00
    $1,729.00 - $1,729.00
    $1,729.00

    Fleece Performance Model FPE-61-10001-P-CLFreedom Series cylinder heads for the LB7 6.6L Duramax now with a cupless injector bore - save time and m...

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    $0.00 - $0.00
    $0.00
    $1,729.00
    $1,729.00 - $1,729.00
    $1,729.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Inlet Metering Valve (FCA/MPROP)

    Exergy
    $270.00 - $270.00
    $270.00
    $270.00 - $270.00
    $270.00

    Exergy Model E05 10105Exergy 01-04 Chevrolet Duramax 6.6L LB7 Inlet Metering Valve (FCA/MPROP) Do you have an engine lope at idle or surging while ...

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    $270.00 - $270.00
    $270.00
    $270.00 - $270.00
    $270.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Reman Sportsman Injector - Set of 8

    Exergy
    $3,646.00 - $3,646.00
    $3,646.00
    $3,646.00 - $3,646.00
    $3,646.00

    Exergy Model E01 10102Exergy 01-04 Chevrolet Duramax 6.6L LB7 Reman Sportsman Injector - Set of 8 8 LB7 Reman Sportsman Bosch Injectors Copper Was...

    View full details
    $3,646.00 - $3,646.00
    $3,646.00
    $3,646.00 - $3,646.00
    $3,646.00
    Select Options
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Sportsman CP3 Pump (LBZ Based w/FCA)

    Exergy
    $1,832.00 - $1,832.00
    $1,832.00
    $1,832.00 - $1,832.00
    $1,832.00

    Exergy Model E04 10105Exergy 01-04 Chevrolet Duramax 6.6L LB7 Sportsman CP3 Pump (LBZ Based w/FCA) Exergy Sportsman pumps have the following improv...

    View full details
    $1,832.00 - $1,832.00
    $1,832.00
    $1,832.00 - $1,832.00
    $1,832.00

 

YOUR ALL-IN-ONE SOURCE FOR DURAMAX PERFORMANCE UPGRADES

Having the right parts makes all the difference when you’re working on your engine, and we’re your total resource for everything you need. We have a wide assortment of Duramax parts for sale from top manufacturers including Kryptonite, ndustrial njectio, smeding, Banks Power and more. We give you a huge selection of options to choose from, meaning you’re more than likely to find exactly what you’re looking for when you need Duramax aftermarket parts.

From small parts for a quick fix to complete systems for a total overhaul, we have a solution for every need. Our range of products for Duramax engines includes:

  • Transmissions
  • Injection pumps
  • Turbochargers and exhausts
  • Wiring harnesses
  • Radiator hoses
  • Intercoolers
  • Fuel systems
  • And more

SHOP POWERHOUSE DIESEL

Whether you’re trying to squeeze more power out of your engine or keep it maintained to extend its lifespan, there’s no better place to turn than Powerhouse Diesel. From routine maintenance to full-on performance upgrades, our selection of components, tools and accessories make it possible to get the work done and give you the performance you’ve always wanted.

Our team here understands what you’re looking for and why. We’re just as passionate about trucks as you are, and we’ll take the time to share our expertise so you can find the perfect fit for your ride. If you want to learn more about everything we have to offer, take a moment to browse through our product listings on this page or reach out to one of our helpful representatives today.

Powerhouse Diesel