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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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    Wehrli 04.5-10 Chevrolet 6.6L LLY/LBZ/LMM Duramax 3in Stainless Down Pipe

    Wehrli
    $0.00 - $0.00
    $0.00
    $247.35
    $247.35 - $247.35
    $247.35

    Wehrli Model WCF100703Wehrli 04.5-10 Chevrolet 6.6L LLY/LBZ/LMM Duramax 3in Stainless Down Pipe Replace the restrictive crushed factory turbo down ...

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    $0.00 - $0.00
    $0.00
    $247.35
    $247.35 - $247.35
    $247.35
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    Wehrli 01-04 Chevrolet 6.6L LB7 Duramax Fuel Pressure Relief Valve Delete Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $72.75
    $72.75 - $72.75
    $72.75

    Wehrli Model WCF100023Wehrli 01-04 Chevrolet 6.6L LB7 Duramax Fuel Pressure Relief Valve Delete Kit This kit allows you to remove the Fuel Pressure...

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    $0.00 - $0.00
    $0.00
    $72.75
    $72.75 - $72.75
    $72.75
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    Wehrli 11-16 Chevrolet 6.6L LML Duramax 5in Intake Horn

    Wehrli
    $0.00 - $0.00
    $0.00
    $397.70
    $397.70 - $397.70
    $397.70

    Wehrli Model WCF100417 The WCFab LML 4.8 in. High Flow Cast Aluminum intake horn replaces the restrictive OEM plastic inlet to provide increased ai...

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    $0.00 - $0.00
    $0.00
    $397.70
    $397.70 - $397.70
    $397.70
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    Wehrli 11-16 Duramax LML High Flow Bundle Kit Stage 1

    Wehrli
    $0.00 - $0.00
    $0.00
    $1,036.93
    $1,036.93 - $1,036.93
    $1,036.93

    Wehrli Model WCF100409Stage 1 upgrade for the 2011-2016 LML Duramax improves airflow between the turbo and engine for improved efficiency, throttle...

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    $0.00 - $0.00
    $0.00
    $1,036.93
    $1,036.93 - $1,036.93
    $1,036.93
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    Wehrli 11-16 Chevrolet Duramax LML 4in Intake Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $548.05
    $548.05 - $548.05
    $548.05

    Wehrli Model WCF100194 WCFab 2011-2016 GM LML 6.6L Duramax 4" Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and air box ...

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    $0.00 - $0.00
    $0.00
    $548.05
    $548.05 - $548.05
    $548.05
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    Wehrli 06-10 Chevrolet 6.6L LBZ/LMM Duramax Upper Coolant Pipe

    Wehrli
    $0.00 - $0.00
    $0.00
    $144.53
    $144.53 - $144.53
    $144.53

    Wehrli Model WCF100622  Aluminum Upper Coolant Pipe for 2006-2010 LBZ/LMM 6.6L Duramax equipped Chevrolet Silverado / GMC Sierra 2500 / 3500 HD tru...

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    $0.00 - $0.00
    $0.00
    $144.53
    $144.53 - $144.53
    $144.53
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    Wehrli 17-19 Chevrolet L5P Duramax High Flow Intake Bundle Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $615.95
    $615.95 - $615.95
    $615.95

    Wehrli Model WCF100718Kit replaces the restricted 2-piece, resonator equipped, 2.5 in. diameter driver (Hot) side intercooler pipe and leak-prone 2...

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    $0.00 - $0.00
    $0.00
    $615.95
    $615.95 - $615.95
    $615.95
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    Wehrli 2020-2024 Chevrolet 6.6L L5P Duramax 4in Intake Pipe (Use w/OEM Air Box)

    Wehrli
    $0.00 - $0.00
    $0.00
    $227.95
    $227.95 - $227.95
    $227.95

    Wehrli Model WCF100720 4" Intake Resonator Pipe for the Factory (VGT) Turbo on 2020-2025 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierr...

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    $0.00 - $0.00
    $0.00
    $227.95
    $227.95 - $227.95
    $227.95
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    Wehrli Big Hitch Products Billet Aluminum Competition Kill Switch

    Wehrli
    $0.00 - $0.00
    $0.00
    $195.00
    $195.00 - $195.00
    $195.00

    Wehrli Big Hitch Products Model BHP4010 Universal Kill Switch for Competition Pulling Vehicles to cut ground wire circuit of Ignition, Fuel pump...

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    $0.00 - $0.00
    $0.00
    $195.00
    $195.00 - $195.00
    $195.00
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    Wehrli 20-2024 GM 2500/3500 HD Lower Splash Shield Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $290.03
    $290.03 - $290.03
    $290.03

    Wehrli Model WCF100459 The WCFab Splash Shield Kit for 2020-2025 Chevrolet Silverado 2500/3500 HD and GMC Sierra/Denali 2500/3500 HD trucks replace...

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    $0.00 - $0.00
    $0.00
    $290.03
    $290.03 - $290.03
    $290.03
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    Wehrli 20-24 GM 2500/3500 HD Bumper Spacer Kit - 3/8in

    Wehrli
    $0.00 - $0.00
    $0.00
    $142.59
    $142.59 - $142.59
    $142.59

    Wehrli Model WCF100446 Wehrli 2020+ GM 2500/3500 HD Bumper Spacer Kit - 3/8in WCFab 3/8" Front Bumper Spacer Kit for 2020-2025 GM 2500/3500 HD Truc...

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    $0.00 - $0.00
    $0.00
    $142.59
    $142.59 - $142.59
    $142.59
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    Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Clear Anodized

    Wehrli
    $0.00 - $0.00
    $0.00
    $51.41
    $51.41 - $51.41
    $51.41

    Wehrli Model WCF100442Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Clear Anodized Clean up the engine bay of your 2001-202...

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    $0.00 - $0.00
    $0.00
    $51.41
    $51.41 - $51.41
    $51.41
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    Wehrli 20-24 Duramax L5P 4in. Stage 2 Intake Kit

    Wehrli
    $910.00
    $910.00 - $910.00
    $910.00
    $833.23
    $833.23 - $833.23
    $833.23

    Wehrli Model WCF100684 High flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic f...

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    $910.00
    $910.00 - $910.00
    $910.00
    $833.23
    $833.23 - $833.23
    $833.23
    Save 8% Save %
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    Wehrli 11-19 GM Duramax 6.6L Lower Splash Shield Kit

    Wehrli
    $314.00
    $314.00 - $314.00
    $314.00
    $290.03
    $290.03 - $290.03
    $290.03

    Wehrli Model WCF100432 The WCFab Splash Shield Kit for 2011-2019 Chevrolet Silverado 2500/3500 HD and GMC Sierra/Denali 2500/3500 HD trucks replace...

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    $314.00
    $314.00 - $314.00
    $314.00
    $290.03
    $290.03 - $290.03
    $290.03
    Save 8% Save %
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    Wehrli 04.5-2010 Duramax LLY/LBZ/LMM Crankcase Vent (PCV) Fitting Kit - Billet Black Anodized

    Wehrli
    $0.00 - $0.00
    $0.00
    $46.08
    $46.08 - $46.08
    $46.08

    Wehrli Model WCF100189Wehrli 04.5-2010 Duramax LLY/LBZ/LMM Crankcase Vent (PCV) Fitting Kit - Billet Black Anodized Kit includes two CNC machined...

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    $0.00 - $0.00
    $0.00
    $46.08
    $46.08 - $46.08
    $46.08
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    Wehrli 04.5-10 Chevrolet 6.6L LLY/LBZ/LMM Duramax 3in Down Pipe

    Wehrli
    $0.00 - $0.00
    $0.00
    $194.00
    $194.00 - $194.00
    $194.00

    Wehrli Model WCF100120Wehrli 04.5-10 Chevrolet 6.6L LLY/LBZ/LMM Duramax 3in Down Pipe Replace the restrictive crushed factory turbo down pipe / exh...

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    $0.00 - $0.00
    $0.00
    $194.00
    $194.00 - $194.00
    $194.00
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    Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Upper Coolant Pipe

    Wehrli
    $0.00 - $0.00
    $0.00
    $144.53
    $144.53 - $144.53
    $144.53

    Wehrli Model WCF100860 Aluminum Upper Coolant Pipe for LB7/LLY Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of ...

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    $0.00 - $0.00
    $0.00
    $144.53
    $144.53 - $144.53
    $144.53
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    Wehrli 06-10 Duramax LBZ/LMM Intercooler Outlet Elbow Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $231.83
    $231.83 - $231.83
    $231.83

    Wehrli Model WCF100466 The 3.5" High Flow Intercooler Outlet Elbow for 2006-2010 LBZ/LMM Duramax replaces the factory plastic piece pipe with a hig...

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    $0.00 - $0.00
    $0.00
    $231.83
    $231.83 - $231.83
    $231.83
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    Wehrli 01-04 Chevrolet Duramax LB7 S300/S400 Single Turbo 3in Y-Bridge Kit

    Wehrli
    $644.00
    $644.00 - $644.00
    $644.00
    $571.33
    $571.33 - $571.33
    $571.33

    Wehrli Model WCF100615***BRIDGE ASSEMBLY ONLY***3" High Flow Y-Bridge for custom build racing applications only. Bolts to OEM intake runners. 3" Be...

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    $644.00
    $644.00 - $644.00
    $644.00
    $571.33
    $571.33 - $571.33
    $571.33
    Save 11% Save %
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    Wehrli 01-04 Chevrolet LB7 Duramax High Flow Intake Bundle Kit Stage 1

    Wehrli
    $0.00 - $0.00
    $0.00
    $1,143.63
    $1,143.63 - $1,143.63
    $1,143.63

    Wehrli Model WCF100411 Already have an air intake and turbo down pipe that you're happy with, but looking to improve your LB7's performance and eff...

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    $0.00 - $0.00
    $0.00
    $1,143.63
    $1,143.63 - $1,143.63
    $1,143.63
    Select Options
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    Wehrli 20-24 Chevrolet 6.6L Duramax L5P Stage 3 High Flow Intake Bundle Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $1,828.45
    $1,828.45 - $1,828.45
    $1,828.45

    Wehrli Model WCF100418 Stage 3 upgrade for the 2020-2025 L5P Duramax combines our Stage 2 High Flow Bundle and 3.5 in. Down Pipe into a single pack...

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    $0.00 - $0.00
    $0.00
    $1,828.45
    $1,828.45 - $1,828.45
    $1,828.45
    Select Options
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    Wehrli 15-19 Chevrolet ado HD 6.6L LML/L5P Duramax Bumper Grille

    Wehrli
    $0.00 - $0.00
    $0.00
    $135.80
    $135.80 - $135.80
    $135.80

    Wehrli Model WCF100290 2015-2019 LML/L5P Chevrolet Silverado HD Bumper Grilles from WCFab are constructed from heavy gauge stainless steel and desi...

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    $0.00 - $0.00
    $0.00
    $135.80
    $135.80 - $135.80
    $135.80
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    Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax Up Pipe Bolt Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $60.14
    $60.14 - $60.14
    $60.14

    Wehrli Model WCF100199Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax Up Pipe Bolt Kit The WCFab L5P Up Pipe Bolt Kit is comprised of 12 specially sele...

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    $0.00 - $0.00
    $0.00
    $60.14
    $60.14 - $60.14
    $60.14
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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
    Select Options

 

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