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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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    Exergy 06-07 Chevrolet Duramax 6.6L LBZ New Stock Replacement Left Hand Fuel Rail

    Exergy
    $758.00 - $758.00
    $758.00
    $758.00 - $758.00
    $758.00

    Exergy 06-07 Chevy Duramax LBZ New Stock Replacement LH Fuel Rail

    $758.00 - $758.00
    $758.00
    $758.00 - $758.00
    $758.00
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    DDP 06-07 Chevrolet Duramax 6.6L LBZ Stock Brand New Injector (Single)

    DDP
    $922.00
    $922.00 - $922.00
    $922.00
    $788.00
    $788.00 - $788.00
    $788.00

    DDP Model DDPNLBZ-STKDuramax 06-07 LBZ Injector: Brand New stock power level injector. Comes with all the latest revisions. Sold individually with ...

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    $922.00
    $922.00 - $922.00
    $922.00
    $788.00
    $788.00 - $788.00
    $788.00
    Save 15% Save %
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 550 Alpha Stroker CP3 Pump (LBZ Based)

    Exergy
    $5,286.00 - $5,286.00
    $5,286.00
    $5,286.00 - $5,286.00
    $5,286.00

    Exergy Model E04 10110Exergy 01-04 Chevrolet Duramax 6.6L LB7 550 Alpha Stroker CP3 Pump (LBZ Based) The first of an industry leading series of pum...

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    $5,286.00 - $5,286.00
    $5,286.00
    $5,286.00 - $5,286.00
    $5,286.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 Return Line Gasket Kit

    Exergy
    $58.00 - $58.00
    $58.00
    $58.00 - $58.00
    $58.00

    Exergy 01-04 Chevy Duramax LB7 Return Line Gasket Kit

    $58.00 - $58.00
    $58.00
    $58.00 - $58.00
    $58.00
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    DDP Duramax 01-04 LB7 Economy SeriesInjector Set

    DDP
    $5,593.00
    $5,593.00 - $5,593.00
    $5,593.00
    $4,782.00
    $4,782.00 - $4,782.00
    $4,782.00

    DDP Model DDPNLB7-ECODuramax 01-04 LB7 Injector Set: Brand New injector set, Economy Series with a very mild 10-20 RWHP increase and full injector ...

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    $5,593.00
    $5,593.00 - $5,593.00
    $5,593.00
    $4,782.00
    $4,782.00 - $4,782.00
    $4,782.00
    Save 15% Save %
  • responsive-image responsive-image Save 14% Save %

    DDP 01-04 Chevrolet Duramax 6.6L LB7 Stock Brand New Injector (Single)

    DDP
    $629.00
    $629.00 - $629.00
    $629.00
    $538.00
    $538.00 - $538.00
    $538.00

    DDP Model DDPNLB7-STKDuramax 01-04 LB7 Injector: Brand New stock power level injector. Comes with all the latest revisions. Sold individually with ...

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    $629.00
    $629.00 - $629.00
    $629.00
    $538.00
    $538.00 - $538.00
    $538.00
    Save 14% Save %
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    Denso 2017+ Duramax L5P/L5D 6.6L High Pressure Fuel Pump

    Industrial Injection
    $2,143.00 - $2,143.00
    $2,143.00
    $2,143.00 - $2,143.00
    $2,143.00

    Model: 294050-0701 Denso 2017+ Duramax L5P/L5D 6.6L High Pressure Common Rail Fuel Pump Cross Reference: 12678993, 12678993N, 126701094, 294050070...

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    $2,143.00 - $2,143.00
    $2,143.00
    $2,143.00 - $2,143.00
    $2,143.00
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    Exergy 17-24 Chevrolet Duramax 6.6L L5P Denso HP4 Pump

    Exergy
    $1,543.00 - $1,543.00
    $1,543.00
    $1,543.00 - $1,543.00
    $1,543.00

    Exergy Model E04 10702 Exergy 2017-2024 L5P Duramax Denso HP4 Pump This pump can be used as a direct replacement for GM part numbers 12678993 and 1...

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    $1,543.00 - $1,543.00
    $1,543.00
    $1,543.00 - $1,543.00
    $1,543.00
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    GM CP4 to CP3 Conversion Kit For 11-16 LML 6.6L Duramax Includes 85 Percent Over 10mm Dragon Fire Pump Industrial Injection

    Industrial Injection
    $4,286.00
    $4,286.00 - $4,286.00
    $4,286.00
    $4,157.00
    $4,157.00 - $4,157.00
    $4,157.00

    Industrial Injection Model: 436405Don't let the unreliable stock CP4 injection pump ruin your day! The Industrial Injection Cp4 to CP3 Conversion K...

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    $4,286.00
    $4,286.00 - $4,286.00
    $4,286.00
    $4,157.00
    $4,157.00 - $4,157.00
    $4,157.00
    Save 3% Save %
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    Industrial Injection 04.5-10 LLY/LBZ/LMM 6.6L Chevy Replacement Turbocharger

    Industrial Injection
    $2,187.00 - $2,187.00
    $2,187.00
    $2,187.00 - $2,187.00
    $2,187.00

    Industrial Injection Model: 848212-5001S Elevate your truck's performance with the Garrett 6.6L LLY/LBZ/LMM Duramax New Stock Replacement Turbochar...

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    $2,187.00 - $2,187.00
    $2,187.00
    $2,187.00 - $2,187.00
    $2,187.00
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    Dodge Rail Plug For 13-18 6.7L Cummins Industrial Injection

    Industrial Injection
    $58.00
    $58.00 - $58.00
    $58.00
    $56.00
    $56.00 - $56.00
    $56.00

    Industrial Injection Model: 631601Made by Industrial Injection to replace your factory faulty pressure relief valve which causes a lack of fuel pre...

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    $58.00
    $58.00 - $58.00
    $58.00
    $56.00
    $56.00 - $56.00
    $56.00
    Save 3% Save %
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    CSF 17-19 Chevrolet Silverado 2500HD 6.6L OEM Plastic Radiator

    CSF
    $551.00 - $551.00
    $551.00
    $551.00 - $551.00
    $551.00

    CSF Model 3843CSF 17-19 Chevrolet Silverado 2500HD 6.6L OEM Plastic Radiator

    $551.00 - $551.00
    $551.00
    $551.00 - $551.00
    $551.00
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    CSF 17-19 Chevrolet Silverado 2500HD 6.6L OEM Intercooler

    CSF
    $613.00 - $613.00
    $613.00
    $613.00 - $613.00
    $613.00

    CSF Model 6079CSF 17-19 Chevrolet Silverado 2500HD 6.6L OEM Intercooler

    $613.00 - $613.00
    $613.00
    $613.00 - $613.00
    $613.00
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    Wehrli Oil Line Kit S400 Twin/Comp Turbo LML Duramax

    Wehrli
    $0.00 - $0.00
    $0.00
    $285.00
    $285.00 - $285.00
    $285.00

    Wehrli Model WCF100379Wehrli Oil Line Kit S400 Twin/Comp Turbo LML Duramax Stainless braided drain and feed Lines, Fittings for turbo, oil pan and ...

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    $0.00 - $0.00
    $0.00
    $285.00
    $285.00 - $285.00
    $285.00
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    Wehrli LB7/LLY/LBZ/LMM/LML Duramax S400 Single Turbo Oil Line Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $415.00
    $415.00 - $415.00
    $415.00

    Wehrli Model WCF100397 Complete Oil Line Kit for 2001-2016 LB7/LLY/LBZ/LMM/LML Duramax with S400 Turbo mounted on 6" tall pedestal. ***Also compati...

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    $0.00 - $0.00
    $0.00
    $415.00
    $415.00 - $415.00
    $415.00
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    Wehrli LB7/LLY/LBZ/LMM Duramax Twin/Compound Turbocharger Pedestal

    Wehrli
    $0.00 - $0.00
    $0.00
    $415.00
    $415.00 - $415.00
    $415.00

    Wehrli Model WCF100675Wehrli LB7/LLY/LBZ/LMM Duramax Twin/Compound Turbocharger Pedestal Twin Turbo Pedestal for 2001-10 Duramax. #8 JIC / -8AN tur...

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    $0.00 - $0.00
    $0.00
    $415.00
    $415.00 - $415.00
    $415.00
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    Wehrli LB7/LLY/LBZ/LMM Duramax S400 Twin/Compound Turbo Oil Line Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $285.00
    $285.00 - $285.00
    $285.00

    Wehrli Model WCF100378Wehrli LB7/LLY/LBZ/LMM Duramax S400 Twin/Compound Turbo Oil Line Kit -Stainless Braided #8 Drain Line 30"-Stainless Braided #...

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    $0.00 - $0.00
    $0.00
    $285.00
    $285.00 - $285.00
    $285.00
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    Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Black Anodized

    Wehrli
    $0.00 - $0.00
    $0.00
    $74.00
    $74.00 - $74.00
    $74.00

    Wehrli Model WCF100443Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Black Anodized -CNC Machined Billet Aluminum GM factory...

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    $0.00 - $0.00
    $0.00
    $74.00
    $74.00 - $74.00
    $74.00
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    Wehrli 20-24 L5P Duramax WCFAB X PPE High Capacity Oil Pan

    Wehrli
    $728.00
    $728.00 - $728.00
    $728.00
    $706.00
    $706.00 - $706.00
    $706.00

    Wehrli Model WCF100134 WCFab X PPE's 2020-2025 L5P Duramax High-Capacity Cast Aluminum Engine Oil Pan replaces the poorly draining stock oil pan wi...

    View full details
    $728.00
    $728.00 - $728.00
    $728.00
    $706.00
    $706.00 - $706.00
    $706.00
    Save 3% Save %
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    Wehrli 20-24 Chevrolet 6.6L L5P Duramax Driver Side 3in Intercooler Pipe

    Wehrli
    $0.00 - $0.00
    $0.00
    $479.00
    $479.00 - $479.00
    $479.00

    Wehrli Model WCF100365 The 3" High Flow Driver side Intercooler pipe for the 2020-2025 L5P Duramax. Replaces the OEM two piece design with a high f...

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    $0.00 - $0.00
    $0.00
    $479.00
    $479.00 - $479.00
    $479.00
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    Wehrli 11-19 Chevrolet 6.6L Duramax Traction Bar Install Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $395.00
    $395.00 - $395.00
    $395.00

    Wehrli Model WCF100841 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
    $395.00
    $395.00 - $395.00
    $395.00
  • Wehrli 17-24 6.7L Power Stroke Coolant Tank w/ Battery Box. responsive-image Save 3% Save %

    Wehrli 11-19 Chevy & GMC Duramax RCLB/CCSB/ECSB 60in Traction Bar Kit

    Wehrli
    $1,485.00
    $1,485.00 - $1,485.00
    $1,485.00
    $1,440.00
    $1,440.00 - $1,440.00
    $1,440.00

    Wehrli Model WCF100851 ***This kit includes 60" long bars for Regular Cab Long Bed, Extended Cab Short Bed, and Crew Cab Short Bed Models*** ***Thi...

    View full details
    $1,485.00
    $1,485.00 - $1,485.00
    $1,485.00
    $1,440.00
    $1,440.00 - $1,440.00
    $1,440.00
    Save 3% Save %
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    Wehrli 11-16 Duramax Battery Tray Relocation Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $128.00
    $128.00 - $128.00
    $128.00

    Wehrli Model WCF100421Wehrli 11-16 Duramax Battery Tray Relocation Kit This bracket allows the passenger side battery on 2011-2016 Chevrolet Silver...

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    $0.00 - $0.00
    $0.00
    $128.00
    $128.00 - $128.00
    $128.00
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    Wehrli 11-16 Chevrolet 6.6L LML Duramax Twin Turbo Style Coolant Tank Kit

    Wehrli
    $593.00
    $593.00 - $593.00
    $593.00
    $576.00
    $576.00 - $576.00
    $576.00

    Wehrli Model WCF100644Wehrli 11-16 Chevrolet 6.6L LML Duramax Twin Turbo Style Coolant Tank Kit LML Duramax Fabricated Aluminum Coolant Tank Kit fo...

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    $593.00
    $593.00 - $593.00
    $593.00
    $576.00
    $576.00 - $576.00
    $576.00
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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