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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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  • BedRug 07-16 GM Silverado/Sierra 6ft 6in Bed Drop In Mat

    BedRug
    Original price $ 2,258.00 - Original price $ 2,258.00
    Original price
    $ 2,258.00
    $ 2,258.00 - $ 2,258.00
    Current price $ 2,258.00

    Constructed of the same, durable material as the BedRug liner, BedRug Mat works great with drop-in or spray-in/non-liner applications. Available fo...

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    Original price $ 2,258.00 - Original price $ 2,258.00
    Original price
    $ 2,258.00
    $ 2,258.00 - $ 2,258.00
    Current price $ 2,258.00
  • AMP Research Override Switch w/ STA1 Controller

    AMP Research
    Original price $ 3,199.00 - Original price $ 3,199.00
    Original price
    $ 3,199.00
    $ 3,199.00 - $ 3,199.00
    Current price $ 3,199.00

    Now you can manually control your AMP Research POWERSTEP with a temporary over-ride switch. Whether deploying them to wash, or retracting them for ...

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    Original price $ 3,199.00 - Original price $ 3,199.00
    Original price
    $ 3,199.00
    $ 3,199.00 - $ 3,199.00
    Current price $ 3,199.00
  • AMP Research 22-23 Chevy/GMC Silverado/Sierra 1500 & 2024 2500/3500HD PowerStep Plug N Play

    AMP Research
    Original price $ 33,871.00 - Original price $ 33,871.00
    Original price
    $ 33,871.00
    $ 33,871.00 - $ 33,871.00
    Current price $ 33,871.00

    Getting into your truck shouldn't feel like climbing Mount Everest. That's why AMP Research invested in POWERSTEP, the automatic, electric-powered ...

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    Original price $ 33,871.00 - Original price $ 33,871.00
    Original price
    $ 33,871.00
    $ 33,871.00 - $ 33,871.00
    Current price $ 33,871.00
  • AMP Research 2015-2016 Chevy Silverado 2500/3500 Double/Crew Cab PowerStep Plug N Play - Black

    AMP Research
    Original price $ 33,871.00 - Original price $ 33,871.00
    Original price
    $ 33,871.00
    $ 33,871.00 - $ 33,871.00
    Current price $ 33,871.00

    Getting into your truck shouldn't feel like climbing Mount Everest. That's why AMP Research invested in POWERSTEP, the automatic, electric-powered ...

    View full details
    Original price $ 33,871.00 - Original price $ 33,871.00
    Original price
    $ 33,871.00
    $ 33,871.00 - $ 33,871.00
    Current price $ 33,871.00
  • AMP Research 2017-2017 Chevy Silverado 2500/3500 Double/Crew Cab PowerStep Plug N Play - Black

    AMP Research
    Original price $ 33,871.00 - Original price $ 33,871.00
    Original price
    $ 33,871.00
    $ 33,871.00 - $ 33,871.00
    Current price $ 33,871.00

    Getting into your truck shouldn't feel like climbing Mount Everest. That's why AMP Research invested in POWERSTEP, the automatic, electric-powered ...

    View full details
    Original price $ 33,871.00 - Original price $ 33,871.00
    Original price
    $ 33,871.00
    $ 33,871.00 - $ 33,871.00
    Current price $ 33,871.00
  • AMP Research 2015-2017 GMC Sierra 2500/3500 BedStep - Black

    AMP Research
    Original price $ 6,210.00 - Original price $ 6,210.00
    Original price
    $ 6,210.00
    $ 6,210.00 - $ 6,210.00
    Current price $ 6,210.00

    Go ahead and step on it. Bedstep is a real time saver. Not to mention knee and back saver. Strong and rugged, this non-slip, retractable bumper ste...

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    Original price $ 6,210.00 - Original price $ 6,210.00
    Original price
    $ 6,210.00
    $ 6,210.00 - $ 6,210.00
    Current price $ 6,210.00
  • AMP Research 2007-2017 GMC Sierra Bedxtender - Black

    AMP Research
    Original price $ 1,129.00 - Original price $ 1,129.00
    Original price
    $ 1,129.00
    $ 1,129.00 - $ 1,129.00
    Current price $ 1,129.00

    BedXtender HD Mounting Bracket for 1999-2018 Chevrolet Silverado 1500/GMC Sierra (Incl 2019 Silverado LD/Sierra Limited), 1999-2019 Chevrolet Silve...

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    Original price $ 1,129.00 - Original price $ 1,129.00
    Original price
    $ 1,129.00
    $ 1,129.00 - $ 1,129.00
    Current price $ 1,129.00
  • AMP Research 2011-2017 Diesel PowerStep - Silver

    AMP Research
    Original price $ 1,506.00 - Original price $ 1,506.00
    Original price
    $ 1,506.00
    $ 1,506.00 - $ 1,506.00
    Current price $ 1,506.00

    Give your AMP Research PowerStep a polished look with the AMP Research Trim Strips. Designed for all applications with the new style extrusion, the...

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    Original price $ 1,506.00 - Original price $ 1,506.00
    Original price
    $ 1,506.00
    $ 1,506.00 - $ 1,506.00
    Current price $ 1,506.00
  • AMP Research 2007-2017 Chevrolet Silverado Standard Bed Bedxtender - Silver

    AMP Research
    Original price $ 6,210.00 - Original price $ 6,210.00
    Original price
    $ 6,210.00
    $ 6,210.00 - $ 6,210.00
    Current price $ 6,210.00

    V-shape design is the perfect mix of form and function that keeps your gear secure. Provides the extra clearance needed when used with some tonneau...

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    Original price $ 6,210.00 - Original price $ 6,210.00
    Original price
    $ 6,210.00
    $ 6,210.00 - $ 6,210.00
    Current price $ 6,210.00
  • AMP Research 2007-2017 Chevrolet Silverado Standard Bed Bedxtender - Silver

    AMP Research
    Original price $ 6,210.00 - Original price $ 6,210.00
    Original price
    $ 6,210.00
    $ 6,210.00 - $ 6,210.00
    Current price $ 6,210.00

    Flip it out with the tailgate open to gain up to 2-feet of enclosed cargo area. Flip it inside and close the tailgate to keep tools and smaller car...

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    Original price $ 6,210.00 - Original price $ 6,210.00
    Original price
    $ 6,210.00
    $ 6,210.00 - $ 6,210.00
    Current price $ 6,210.00
  • AMP Research 2007-2017 Chevrolet Silverado Standard Bed Bedxtender - Black

    AMP Research
    Original price $ 6,210.00 - Original price $ 6,210.00
    Original price
    $ 6,210.00
    $ 6,210.00 - $ 6,210.00
    Current price $ 6,210.00

    Flip it out with the tailgate open to gain up to 2-feet of enclosed cargo area. Flip it inside and close the tailgate to keep tools and smaller car...

    View full details
    Original price $ 6,210.00 - Original price $ 6,210.00
    Original price
    $ 6,210.00
    $ 6,210.00 - $ 6,210.00
    Current price $ 6,210.00
  • AMP Research 20-24 Chevrolet Silverado 2500/3500HD BedStep2 - Black

    AMP Research
    Original price $ 6,210.00 - Original price $ 6,210.00
    Original price
    $ 6,210.00
    $ 6,210.00 - $ 6,210.00
    Current price $ 6,210.00

    Side steps for hard-working trucks. The AMP Research Bedstep2 mounts just behind the cab, forward of the rear wheel, providing a faster, easier and...

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    Original price $ 6,210.00 - Original price $ 6,210.00
    Original price
    $ 6,210.00
    $ 6,210.00 - $ 6,210.00
    Current price $ 6,210.00
  • AMP Research 15-20 Chevy/GMC Silverado 2500-3500/Sierra 2500-3500/Crew & Double Cab PowerStep

    AMP Research
    Original price $ 36,694.00 - Original price $ 36,694.00
    Original price
    $ 36,694.00
    $ 36,694.00 - $ 36,694.00
    Current price $ 36,694.00

    The new Powerstep Smart Series is the latest innovation to bring more control for the electric-powered running board right to your fingertips. Enjo...

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    Original price $ 36,694.00 - Original price $ 36,694.00
    Original price
    $ 36,694.00
    $ 36,694.00 - $ 36,694.00
    Current price $ 36,694.00
  • Bully Dog 08-20 Chevrolet Silverado 6.6L Thruster Throttle Booster (CARB Exempt Version)

    Bully Dog
    Original price $ 2,541.00 - Original price $ 2,541.00
    Original price
    $ 2,541.00
    $ 2,541.00 - $ 2,541.00
    Current price $ 2,541.00

    When your vehicle's throttle isn't what you need, it's time for a boost with the Bully Dog Thruster. This device is easy to install inline between ...

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    Original price $ 2,541.00 - Original price $ 2,541.00
    Original price
    $ 2,541.00
    $ 2,541.00 - $ 2,541.00
    Current price $ 2,541.00
  • Bully Dog 17-19 Chevrolet Silverado 2500 / 08-19 Chevrolet Silverado 3500 Thruster Throttle Booster

    Bully Dog
    Original price $ 2,541.00 - Original price $ 2,541.00
    Original price
    $ 2,541.00
    $ 2,541.00 - $ 2,541.00
    Current price $ 2,541.00

    When your vehicle's throttle isn't what you need, it's time for a boost with the Bully Dog Thruster. This device is easy to install inline between ...

    View full details
    Original price $ 2,541.00 - Original price $ 2,541.00
    Original price
    $ 2,541.00
    $ 2,541.00 - $ 2,541.00
    Current price $ 2,541.00
  • BD Diesel Throttle Sensitivity Booster - Chevy / GMC

    BD Diesel
    Original price $ 5,293.00 - Original price $ 5,293.00
    Original price $ 5,293.00
    $ 5,569.00
    $ 5,569.00 - $ 5,569.00
    Current price $ 5,569.00

    Say goodbye to that dead, laggy throttle pedal felling and enjoy quicker engine response and acceleration with the BD Power TS Booster. The TS Boos...

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    Original price $ 5,293.00 - Original price $ 5,293.00
    Original price $ 5,293.00
    $ 5,569.00
    $ 5,569.00 - $ 5,569.00
    Current price $ 5,569.00
  • Banks Power Pedal Monster Throttle Sensitivity Booster (Standalone) - 07.5-19 GM 2500/3500

    Banks Power
    Original price $ 6,670.00
    Original price $ 6,670.00 - Original price $ 6,670.00
    Original price $ 6,670.00
    Current price $ 6,003.00
    $ 6,003.00 - $ 6,003.00
    Current price $ 6,003.00

    PedalMonster is the only OBD-connected throttle sensitivity controller for gas and diesel vehicles. It’s tuned to eliminate factory throttle dela...

    View full details
    Original price $ 6,670.00
    Original price $ 6,670.00 - Original price $ 6,670.00
    Original price $ 6,670.00
    Current price $ 6,003.00
    $ 6,003.00 - $ 6,003.00
    Current price $ 6,003.00
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  • Banks Power Pedal Monster Throttle Sensitivity Booster for Use w/ Exst. iDash - 07.5-19 GM 2500/3500

    Banks Power
    Original price $ 6,670.00
    Original price $ 6,670.00 - Original price $ 6,670.00
    Original price $ 6,670.00
    Current price $ 6,003.00
    $ 6,003.00 - $ 6,003.00
    Current price $ 6,003.00

    PedalMonster is the only OBD-connected throttle sensitivity controller for gas and diesel vehicles. It’s tuned to eliminate factory throttle dela...

    View full details
    Original price $ 6,670.00
    Original price $ 6,670.00 - Original price $ 6,670.00
    Original price $ 6,670.00
    Current price $ 6,003.00
    $ 6,003.00 - $ 6,003.00
    Current price $ 6,003.00
    Save 10% Save %
  • Banks Power Pedal Monster Kit (Stand-Alone) - Molex MX64 - 6 Way - Use w/Phone

    Banks Power
    Original price $ 6,670.00
    Original price $ 6,670.00 - Original price $ 6,670.00
    Original price $ 6,670.00
    Current price $ 6,003.00
    $ 6,003.00 - $ 6,003.00
    Current price $ 6,003.00

    PedalMonster is the only OBD-connected throttle sensitivity controller for gas and diesel vehicles. It’s tuned to eliminate factory throttle dela...

    View full details
    Original price $ 6,670.00
    Original price $ 6,670.00 - Original price $ 6,670.00
    Original price $ 6,670.00
    Current price $ 6,003.00
    $ 6,003.00 - $ 6,003.00
    Current price $ 6,003.00
    Save 10% Save %
  • Banks Power Pedal Monster Kit (Stand-Alone) - Aptiv GT 150 - 6 Way - Use w/iDash 1.8**

    Banks Power
    Original price $ 6,670.00
    Original price $ 6,670.00 - Original price $ 6,670.00
    Original price $ 6,670.00
    Current price $ 6,003.00
    $ 6,003.00 - $ 6,003.00
    Current price $ 6,003.00

    Banks Model 63421 **DOES NOT INCLUDE iDash. iDash REQURIED FOR USE! PedalMonster is the only OBD-connected throttle sensitivity controller for gas ...

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    Original price $ 6,670.00
    Original price $ 6,670.00 - Original price $ 6,670.00
    Original price $ 6,670.00
    Current price $ 6,003.00
    $ 6,003.00 - $ 6,003.00
    Current price $ 6,003.00
    Save 10% Save %
  • Banks Power Pedal Monster Kit (Stand-Alone) - Aptiv GT 150 - 6 Way - Use w/Phone

    Banks Power
    Original price $ 6,670.00
    Original price $ 6,670.00 - Original price $ 6,670.00
    Original price $ 6,670.00
    Current price $ 6,003.00
    $ 6,003.00 - $ 6,003.00
    Current price $ 6,003.00

    PedalMonster is the only OBD-connected throttle sensitivity controller for gas and diesel vehicles. It’s tuned to eliminate factory throttle dela...

    View full details
    Original price $ 6,670.00
    Original price $ 6,670.00 - Original price $ 6,670.00
    Original price $ 6,670.00
    Current price $ 6,003.00
    $ 6,003.00 - $ 6,003.00
    Current price $ 6,003.00
    Save 10% Save %
  • Mishimoto 17-19 GM 6.6L L5P Intercooler Pipe + Boot Kit Wrinkle Black

    Mishimoto
    Original price $ 14,057.00
    Original price $ 14,057.00 - Original price $ 14,057.00
    Original price $ 14,057.00
    Current price $ 12,776.00
    $ 12,776.00 - $ 12,776.00
    Current price $ 12,776.00

    Improve the power and efficiency of your 2017-2019 Chevrolet/GMC 6.6L Duramax L5P with our Mishimoto intercooler pipe and boot kit. The factory L5P...

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    Original price $ 14,057.00
    Original price $ 14,057.00 - Original price $ 14,057.00
    Original price $ 14,057.00
    Current price $ 12,776.00
    $ 12,776.00 - $ 12,776.00
    Current price $ 12,776.00
    Save 9% Save %
  • Mishimoto 17-19 GM 6.6L L5P Intercooler Pipe and Boot Kit Polished

    Mishimoto
    Original price $ 14,057.00
    Original price $ 14,057.00 - Original price $ 14,057.00
    Original price $ 14,057.00
    Current price $ 12,776.00
    $ 12,776.00 - $ 12,776.00
    Current price $ 12,776.00

    Improve the power and efficiency of your 2017-2019 Chevrolet/GMC 6.6L Duramax L5P with our Mishimoto intercooler pipe and boot kit. The factory L5P...

    View full details
    Original price $ 14,057.00
    Original price $ 14,057.00 - Original price $ 14,057.00
    Original price $ 14,057.00
    Current price $ 12,776.00
    $ 12,776.00 - $ 12,776.00
    Current price $ 12,776.00
    Save 9% Save %
  • Mishimoto 17-19 GM 6.6L L5P Hot-Side Pipe and Boot Kit Wrinkle Black

    Mishimoto
    Original price $ 8,129.00
    Original price $ 8,129.00 - Original price $ 8,129.00
    Original price $ 8,129.00
    Current price $ 7,395.00
    $ 7,395.00 - $ 7,395.00
    Current price $ 7,395.00

    Improve the power and efficiency of your 2017-2019 Chevrolet/GMC 6.6L Duramax L5P with the Mishimoto hot-side intercooler pipe and boot kit. The fa...

    View full details
    Original price $ 8,129.00
    Original price $ 8,129.00 - Original price $ 8,129.00
    Original price $ 8,129.00
    Current price $ 7,395.00
    $ 7,395.00 - $ 7,395.00
    Current price $ 7,395.00
    Save 9% Save %

 

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