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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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    Mishimoto 17-19 Chevrolet/GMC 6.6L Duramax Turbo Blanket

    Mishimoto
    $238.00
    $238.00 - $238.00
    $238.00
    $215.95
    $215.95 - $215.95
    $215.95

    Help reduce the heat in your 2017-2019 Chevrolet/GMC 6.6L L5P Duramax engine bay with this Mishimoto turbo blanket. One of the main drawbacks to a ...

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    $238.00
    $238.00 - $238.00
    $238.00
    $215.95
    $215.95 - $215.95
    $215.95
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    Wehrli 20-24 Chevrolet Duramax Traction Bar Install Kit

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

    Wehrli Model WCF100831 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 17-19 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe

    Wehrli
    $0.00 - $0.00
    $0.00
    $155.20
    $155.20 - $155.20
    $155.20

    Wehrli Model WCF100742 Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated col...

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    $0.00 - $0.00
    $0.00
    $155.20
    $155.20 - $155.20
    $155.20
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    Mishimoto 17-19 GM L5P Duramax Intercooler Kit - Silver w/ Polished Pipes

    Mishimoto
    $2,258.00
    $2,258.00 - $2,258.00
    $2,258.00
    $2,052.95
    $2,052.95 - $2,052.95
    $2,052.95

    Built to handle heavy payloads, provide impressive performance, and execute years of reliable service, the 2017-2019 6.6L Duramax L5P is an absolut...

    View full details
    $2,258.00
    $2,258.00 - $2,258.00
    $2,258.00
    $2,052.95
    $2,052.95 - $2,052.95
    $2,052.95
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    Mishimoto 17-19 GM L5P Duramax Intercooler Kit - Black w/ WBK Pipes

    Mishimoto
    $2,258.00
    $2,258.00 - $2,258.00
    $2,258.00
    $2,052.95
    $2,052.95 - $2,052.95
    $2,052.95

    Built to handle heavy payloads, provide impressive performance, and execute years of reliable service, the 2017-2019 6.6L Duramax L5P is an absolut...

    View full details
    $2,258.00
    $2,258.00 - $2,258.00
    $2,258.00
    $2,052.95
    $2,052.95 - $2,052.95
    $2,052.95
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    Mishimoto 17-19 GM L5P Duramax Intercooler Kit - Black w/ Polished Pipes

    Mishimoto
    $2,258.00
    $2,258.00 - $2,258.00
    $2,258.00
    $2,052.95
    $2,052.95 - $2,052.95
    $2,052.95

    Built to handle heavy payloads, provide impressive performance, and execute years of reliable service, the 2017-2019 6.6L Duramax L5P is an absolut...

    View full details
    $2,258.00
    $2,258.00 - $2,258.00
    $2,258.00
    $2,052.95
    $2,052.95 - $2,052.95
    $2,052.95
    Save 9% Save %
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    Mishimoto 17-19 GM L5P Duramax Intercooler Kit - Silver w/ WBK Pipes

    Mishimoto
    $2,258.00
    $2,258.00 - $2,258.00
    $2,258.00
    $2,052.95
    $2,052.95 - $2,052.95
    $2,052.95

    Built to handle heavy payloads, provide impressive performance, and execute years of reliable service, the 2017-2019 6.6L Duramax L5P is an absolut...

    View full details
    $2,258.00
    $2,258.00 - $2,258.00
    $2,258.00
    $2,052.95
    $2,052.95 - $2,052.95
    $2,052.95
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    Mishimoto 17-19 Chevrolet Duramax 6.6L L5P Blue Silicone Radiator Hose Kit

    Mishimoto
    $461.00
    $461.00 - $461.00
    $461.00
    $418.95
    $418.95 - $418.95
    $418.95

    Whether you’re hauling the family fifth wheel or driving out to the job site, you rely on your Duramax to get where you need to go. The factory D...

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    $461.00
    $461.00 - $461.00
    $461.00
    $418.95
    $418.95 - $418.95
    $418.95
    Save 9% Save %
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    Mishimoto 17-19 Chevrolet Duramax 6.6L L5P Black Silicone Radiator Hose Kit

    Mishimoto
    $461.00
    $461.00 - $461.00
    $461.00
    $418.95
    $418.95 - $418.95
    $418.95

    Whether you’re hauling the family fifth wheel or driving out to the job site, you rely on your Duramax to get where you need to go. The factory D...

    View full details
    $461.00
    $461.00 - $461.00
    $461.00
    $418.95
    $418.95 - $418.95
    $418.95
    Save 9% Save %
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    Mishimoto 17-19 GM 6.6L Duramax L5P Factory-Fit Boot Kit

    Mishimoto
    $410.00
    $410.00 - $410.00
    $410.00
    $372.95
    $372.95 - $372.95
    $372.95

    Mishimoto is proud to release a direct-fit silicone boot kit with DuraCoreâ„¢ technology designed specifically for the 2017-2019 Chevrolet/GMC 6.6L...

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    $410.00
    $410.00 - $410.00
    $410.00
    $372.95
    $372.95 - $372.95
    $372.95
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    aFe Victory Series 4in 409-SS DPF-Back Exhaust w/ Dual Polished Tips 2017 GM Duramax V8-6.6L(td) L5P

    aFe
    $940.80 - $940.80
    $940.80
    $940.80 - $940.80
    $940.80

    Simple Installation: All systems use factory mounting locations providing stability and hassle-free installation. Leak-Free Seal: High quality band...

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    $940.80 - $940.80
    $940.80
    $940.80 - $940.80
    $940.80
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    Exergy 17-19 Chevrolet Duramax 6.6L LP5 New 100% Over Injector - Set of 8

    Exergy
    $4,440.00 - $4,440.00
    $4,440.00
    $4,440.00 - $4,440.00
    $4,440.00

    Exergy 2017+ LP5 Duramax New 100% Over Injector (Set of 8)

    $4,440.00 - $4,440.00
    $4,440.00
    $4,440.00 - $4,440.00
    $4,440.00
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    Exergy 17-19 Chevrolet Duramax 6.6L L5P New 60% Over Injector - Set of 8

    Exergy
    $4,120.00 - $4,120.00
    $4,120.00
    $4,120.00 - $4,120.00
    $4,120.00

    Exergy Model E02 10708Exergy 17-19 Chevrolet Duramax 6.6L L5P New 60% Over Injector - Set of 8

    $4,120.00 - $4,120.00
    $4,120.00
    $4,120.00 - $4,120.00
    $4,120.00
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    Exergy 17-19 Chevrolet Duramax 6.6L L5P New 30% Over Injector - Set of 8

    Exergy
    $3,904.00 - $3,904.00
    $3,904.00
    $3,904.00 - $3,904.00
    $3,904.00

    Exergy 17-19 L5P Duramax New 30% Over Injector (Set of 8)

    $3,904.00 - $3,904.00
    $3,904.00
    $3,904.00 - $3,904.00
    $3,904.00
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    aFe LARGE BORE-HD 4in 409-SS DPF-Back Exhaust w/Dual Black Tips 2017 GM Duramax V8-6.6L (td) L5P

    aFe
    $940.80 - $940.80
    $940.80
    $940.80 - $940.80
    $940.80

    Interested in a new exhaust system for your L5P Duramax? Check out the Large Bore-HD dual DPF-Back exhaust system by aFe. This system is constructe...

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    $940.80 - $940.80
    $940.80
    $940.80 - $940.80
    $940.80
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    aFe Victory Series 4in 409-SS DPF-Back Exhaust w/ Dual Black Tips 2017 GM Duramax V8-6.6L(td) L5P

    aFe
    $1,048.95 - $1,048.95
    $1,048.95
    $1,048.95 - $1,048.95
    $1,048.95

    Simple Installation: All systems use factory mounting locations providing stability and hassle-free installation. Leak-Free Seal: High quality band...

    View full details
    $1,048.95 - $1,048.95
    $1,048.95
    $1,048.95 - $1,048.95
    $1,048.95
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    aFe ATLAS 4in DPF-Back Alum Steel Exhaust System w/Dual Exit Black Tip 2017 GM Duramax 6.6L (td)

    aFe
    $908.25 - $908.25
    $908.25
    $908.25 - $908.25
    $908.25

    Interested in a new exhaust system for your L5P Duramax? Check out the ATLAS dual DPF-Back exhaust system by aFe. This system is constructed from 4...

    View full details
    $908.25 - $908.25
    $908.25
    $908.25 - $908.25
    $908.25
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    aFe ATLAS 4in DPF-Back Alum Steel Exhaust System w/Dual Exit Polished Tip 2017 GM Duramax 6.6L (td)

    aFe
    $848.40 - $848.40
    $848.40
    $848.40 - $848.40
    $848.40

    Interested in a new exhaust system for your L5P Duramax? Check out the ATLAS dual DPF-Back exhaust system by aFe. This system is constructed from 4...

    View full details
    $848.40 - $848.40
    $848.40
    $848.40 - $848.40
    $848.40
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    BD Diesel 66/67 Screamer Turbo 2017-2023 L5P Duramax 6.6L

    BD Diesel
    $3,652.05 - $3,652.05
    $3,652.05
    $3,842.00
    $3,842.00 - $3,842.00
    $3,842.00

    BD's Screamer line of turbos offer drop-in, stock-appearing units that add an additional punch in power without major modifications to intake or ex...

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    $3,652.05 - $3,652.05
    $3,652.05
    $3,842.00
    $3,842.00 - $3,842.00
    $3,842.00
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    ARP 17-21 6.6L (L5P) GM Duramax Diesel Custom Age 625+ Head Stud Kit

    ARP
    $2,247.78 - $2,247.78
    $2,247.78
    $2,247.78 - $2,247.78
    $2,247.78

    ARP Model 230-4302ARP 17-21 6.6L (L5P) GM Duramax Diesel Custom Age 625+ Head Stud Kit

    $2,247.78 - $2,247.78
    $2,247.78
    $2,247.78 - $2,247.78
    $2,247.78
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    Mishimoto 17-19 GM 6.6L Duramax (L5P) Transmission Cooler - Silver

    Mishimoto
    $606.00
    $606.00 - $606.00
    $606.00
    $550.95
    $550.95 - $550.95
    $550.95

    There’s no greater enemy for a transmission than heat. Whether your 2017-2019 Chevy/GMC 6.6L L5P Duramax is a dedicated tow vehicle, hardworking ...

    View full details
    $606.00
    $606.00 - $606.00
    $606.00
    $550.95
    $550.95 - $550.95
    $550.95
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    Mishimoto 15-16 GM 6.6L Duramax (LML) Transmission Cooler - Silver

    Mishimoto
    $606.00
    $606.00 - $606.00
    $606.00
    $550.95
    $550.95 - $550.95
    $550.95

    There’s no greater enemy for a transmission than heat. Whether your 2015-2016 Chevy/GMC 6.6L LML Duramax is a dedicated tow vehicle, hardworking ...

    View full details
    $606.00
    $606.00 - $606.00
    $606.00
    $550.95
    $550.95 - $550.95
    $550.95
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    Mishimoto 17-19 Chevrolet/GMC 6.6 L5p Duramax Radiator

    Mishimoto
    $1,718.00
    $1,718.00 - $1,718.00
    $1,718.00
    $1,561.95
    $1,561.95 - $1,561.95
    $1,561.95

    GM designed the 6.6L L5P Duramax around the lifestyle of their customers. Tough, dependable, and rugged. Unfortunately, the Duramax's plastic cooli...

    View full details
    $1,718.00
    $1,718.00 - $1,718.00
    $1,718.00
    $1,561.95
    $1,561.95 - $1,561.95
    $1,561.95
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    Mishimoto 17-19 GM 6.6L L5P Duramax Intercooler - Silver

    Mishimoto
    $1,509.00
    $1,509.00 - $1,509.00
    $1,509.00
    $1,371.95
    $1,371.95 - $1,371.95
    $1,371.95

    Mishimoto has expanded our line of Duramax performance parts to include a performance intercooler for the 2017-2019 Chevrolet/GMC 6.6L Duramax L5P....

    View full details
    $1,509.00
    $1,509.00 - $1,509.00
    $1,509.00
    $1,371.95
    $1,371.95 - $1,371.95
    $1,371.95
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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