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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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  • S&S Diesel Motorsport DBV4 Single Stage Relief Valve Internal Return, LLY/LBZ/LMM, 6.7 style - 2200bar

    S&S
    Original price $453.00 - Original price $453.00
    Original price
    $453.00
    $453.00 - $453.00
    Current price $453.00

    S&S Model PRV-I-2200-1SDBV4 Single Stage Relief Valve Internal Return, LLY/LBZ/LMM, 6.7 style - 2200bar Generic Image  

    Original price $453.00 - Original price $453.00
    Original price
    $453.00
    $453.00 - $453.00
    Current price $453.00
  • S&S Diesel Motorsport Single Stage Pressure Relief Valve External Return LB7/5.9 Style 2200 Bar M18x1.5

    S&S
    Original price $407.00 - Original price $407.00
    Original price
    $407.00
    $407.00 - $407.00
    Current price $407.00

    S&S Model PRV-E-2200-1SS&S Diesel Motorsport Single Stage Pressure Relief Valve External Return.  LB7/5.9 Style 2200 Bar M18x1.5

    Original price $407.00 - Original price $407.00
    Original price
    $407.00
    $407.00 - $407.00
    Current price $407.00
  • S&S Diesel Motorsport High Pressure Electronic Regulator (LML DRV)

    S&S
    Original price $256.00 - Original price $256.00
    Original price
    $256.00
    $256.00 - $256.00
    Current price $256.00

    S&S Model DRV-LMLS&S Diesel Motorsport High Pressure Electronic Regulator (LML DRV) *Generic Image

    Original price $256.00 - Original price $256.00
    Original price
    $256.00
    $256.00 - $256.00
    Current price $256.00
  • Smeding Diesel 2020-2024 L5P Duramax Differential Cover

    Smeding
    Original price $469.00 - Original price $469.00
    Original price
    $469.00
    $469.00 - $469.00
    Current price $469.00

    This rear differential cover has been meticulously engineered to minimize friction and maximize lubrication of your gear set. If you want to keep y...

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    Original price $469.00 - Original price $469.00
    Original price
    $469.00
    $469.00 - $469.00
    Current price $469.00
  • Banks Power 17-24 Chevrolet/GMC 2500/3500 6.6L Duramax L5P Monster-Ram Turbo Inlet Elbow - Red

    Banks Power
    Original price $473.00
    Original price $473.00 - Original price $473.00
    Original price $473.00
    Current price $425.00
    $425.00 - $425.00
    Current price $425.00

    The Banks Monster-Ram Turbo Inlet for the 2017-2024 Duramax L5P is the only intake elbow that outperforms stock without the destructive effects of ...

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    Original price $473.00
    Original price $473.00 - Original price $473.00
    Original price $473.00
    Current price $425.00
    $425.00 - $425.00
    Current price $425.00
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  • Banks Power Pre-Filter (For PN 42141 / 42141-D)

    Banks Power
    Original price $70.00
    Original price $70.00 - Original price $70.00
    Original price $70.00
    Current price $63.00
    $63.00 - $63.00
    Current price $63.00

    Highly recommended in dirty environments. Keep your Ram-Air Filter protected from large debris, bugs, mud, etc... Built from a breathable material,...

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    Original price $70.00
    Original price $70.00 - Original price $70.00
    Original price $70.00
    Current price $63.00
    $63.00 - $63.00
    Current price $63.00
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  • Cold Air Intake For 20-21 Chevrolet Silverado GMC Sierra V8-6.6L L5P Duramax S&B

    S&B
    Original price $496.00 - Original price $496.00
    Original price
    $496.00
    $496.00 - $496.00
    Current price $496.00

    Maximum Performance: Our cold air intake for the 20-21 Silverado / Sierra Duramax L5P 6.6L was engineered to minimize air restriction and flow bett...

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    Original price $496.00 - Original price $496.00
    Original price
    $496.00
    $496.00 - $496.00
    Current price $496.00
  • Wehrli LB7/LLY/LBZ/LMM Duramax Upper Coolant Pipe Plug

    Wehrli
    Original price $59.00
    Original price $59.00 - Original price $59.00
    Original price $59.00
    Current price $57.00
    $57.00 - $57.00
    Current price $57.00

    Wehrli Model WCF205-280Wehrli LB7/LLY/LBZ/LMM Duramax Upper Coolant Pipe Plug

    Original price $59.00
    Original price $59.00 - Original price $59.00
    Original price $59.00
    Current price $57.00
    $57.00 - $57.00
    Current price $57.00
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  • XDP Tow Series Flex Plate 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML Allison A1000

    XDP
    Original price $498.00 - Original price $498.00
    Original price
    $498.00
    $498.00 - $498.00
    Current price $498.00

    XDP Model XD644The XDP Tow Series Flex Plate XD644 is an outstanding upgrade for your workhorse diesel truck. If your truck is used for constant he...

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    Original price $498.00 - Original price $498.00
    Original price
    $498.00
    $498.00 - $498.00
    Current price $498.00
  • 2017+ GM 6.6L L5P Billet Fuel Filter Housing

    H&S Motorsports
    Original price $164.00 - Original price $164.00
    Original price
    $164.00
    $164.00 - $164.00
    Current price $164.00

    Applications Fits all 2017+ 6.6L GM L5P Duramax Features After witnessing a few failures of the factory plastic fuel filter housing on the...

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    Original price $164.00 - Original price $164.00
    Original price
    $164.00
    $164.00 - $164.00
    Current price $164.00
  • Wehrli GMC/Chevrolet LB7 Duramax 6.6L w S400 Single Turbo 3in Down Pipe - Black

    Wehrli
    Original price $354.00
    Original price $354.00 - Original price $354.00
    Original price $354.00
    Current price $344.00
    $344.00 - $344.00
    Current price $344.00

    Wehrli Model WCF100878Wehrli GMC/Chevrolet LB7 Duramax 6.6L w S400 Single Turbo 3in Down Pipe - Black LB7 Duramax 3" Down pipe for S400 turbo with ...

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    Original price $354.00
    Original price $354.00 - Original price $354.00
    Original price $354.00
    Current price $344.00
    $344.00 - $344.00
    Current price $344.00
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  • Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Clear Anodized

    Wehrli
    Original price $73.00
    Original price $73.00 - Original price $73.00
    Original price $73.00
    Current price $71.00
    $71.00 - $71.00
    Current price $71.00

    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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    Original price $73.00
    Original price $73.00 - Original price $73.00
    Original price $73.00
    Current price $71.00
    $71.00 - $71.00
    Current price $71.00
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  • Wehrli 11-19 GM Duramax 6.6L Lower Splash Shield Kit

    Wehrli
    Original price $447.00
    Original price $447.00 - Original price $447.00
    Original price $447.00
    Current price $433.00
    $433.00 - $433.00
    Current price $433.00

    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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    Original price $447.00
    Original price $447.00 - Original price $447.00
    Original price $447.00
    Current price $433.00
    $433.00 - $433.00
    Current price $433.00
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  • Wehrli 04.5-10 Chevrolet 6.6L LLY/LBZ/LMM Duramax 3in Down Pipe

    Wehrli
    Original price $278.00
    Original price $278.00 - Original price $278.00
    Original price $278.00
    Current price $269.00
    $269.00 - $269.00
    Current price $269.00

    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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    Original price $278.00
    Original price $278.00 - Original price $278.00
    Original price $278.00
    Current price $269.00
    $269.00 - $269.00
    Current price $269.00
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  • Wehrli 01-04 Chevrolet 6.6L LB7 Duramax Fuel Pressure Relief Valve Delete Kit

    Wehrli
    Original price $103.00
    Original price $103.00 - Original price $103.00
    Original price $103.00
    Current price $100.00
    $100.00 - $100.00
    Current price $100.00

    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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    Original price $103.00
    Original price $103.00 - Original price $103.00
    Original price $103.00
    Current price $100.00
    $100.00 - $100.00
    Current price $100.00
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  • Fleece Performance Duramax Remote Turbo Oil Feed Line Kit for 01-16 Duramax/w 1/4 NPT Oil Inlet

    Fleece Performance
    Original price $128.00 - Original price $128.00
    Original price $128.00
    $143.00
    $143.00 - $143.00
    Current price $143.00

    Fleece Performance Model FPE-DTFL-S3S4-0116Problem: The factory turbo oil feed used on 2001-2016 Duramax's is supplied off of the #4 cam journal be...

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    Original price $128.00 - Original price $128.00
    Original price $128.00
    $143.00
    $143.00 - $143.00
    Current price $143.00
  • Fleece Performance 17-22 GM 2500/3500 Duramax MAP Sensor Spacer & Boost Reference Port

    Fleece Performance
    Original price $89.00 - Original price $89.00
    Original price $89.00
    $99.00
    $99.00 - $99.00
    Current price $99.00

    Fleece Performance Model FPE-L5P-MAP-SPRAll new Fleece Performance MAP sensor spacer with boost reference port for the L5P Duramax. Problem: Becaus...

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    Original price $89.00 - Original price $89.00
    Original price $89.00
    $99.00
    $99.00 - $99.00
    Current price $99.00
  • Fleece Performance 01-17 GM Duramax Billet Coolant Block Off Plate

    Fleece Performance
    Original price $71.00 - Original price $71.00
    Original price $71.00
    $79.00
    $79.00 - $79.00
    Current price $79.00

    Fleece Performance Model FPE-DMAX-CBOP2001-2016 Duramax Billet Coolant Block Off Plate (Replaces GM P/N: 97941204) OE covers are prone to leakage a...

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    Original price $71.00 - Original price $71.00
    Original price $71.00
    $79.00
    $79.00 - $79.00
    Current price $79.00
  • Fleece Performance 01-16 GM 2500/3500 Duramax Billet Oil Cap Cover - Black

    Fleece Performance
    Original price $52.00 - Original price $52.00
    Original price $52.00
    $57.00
    $57.00 - $57.00
    Current price $57.00

    Fleece Performance Model FPE-DMAX-OC-BLKDress up your engine bay with our billet aluminum oil cap for the Chevy Duramax! Includes o-ring and cam-lo...

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    Original price $52.00 - Original price $52.00
    Original price $52.00
    $57.00
    $57.00 - $57.00
    Current price $57.00
  • BD Diesel UpPipe Kit - Chevy 2001-2012 Duramax 6.6L

    BD Diesel
    Original price $818.00 - Original price $818.00
    Original price $818.00
    $843.00
    $843.00 - $843.00
    Current price $843.00

    Replaces the factory exhaust up-pipes (exhaust manifold to the turbo) which are prone to leakage due to the deterioration. BD up-pipes are designed...

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    Original price $818.00 - Original price $818.00
    Original price $818.00
    $843.00
    $843.00 - $843.00
    Current price $843.00
  • SCT Performance Livewire TS+ Replacement OBD2 Cable

    SCT Performance
    Original price $36.00 - Original price $36.00
    Original price
    $36.00
    $36.00 - $36.00
    Current price $36.00

    SCT Performance LLC. is a leading provider of handheld automotive performance / fuel economy programmers and custom tuning software for Ford, Gener...

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    Original price $36.00 - Original price $36.00
    Original price
    $36.00
    $36.00 - $36.00
    Current price $36.00
  • Banks Power 11-16 Chevy/GMC 2500HD/3500HD Diesel 6.6L Boost Tube Upgrade Kit

    Banks Power
    Original price $678.00
    Original price $678.00 - Original price $678.00
    Original price $678.00
    Current price $610.00
    $610.00 - $610.00
    Current price $610.00

    OEM replacements for left and right side boost tubes with silicone couplers. With up to 105% greater flow area compared to stock, these better-flow...

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    Original price $678.00
    Original price $678.00 - Original price $678.00
    Original price $678.00
    Current price $610.00
    $610.00 - $610.00
    Current price $610.00
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  • aFe Large Bore-HD 4in 409-SS DPF-Back Exhaust w/Dual Polished Tips 2017 GM Duramax V8-6.6L (td) L5P

    aFe
    Original price $1,206.00 - Original price $1,206.00
    Original price
    $1,206.00
    $1,206.00 - $1,206.00
    Current price $1,206.00

    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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    Original price $1,206.00 - Original price $1,206.00
    Original price
    $1,206.00
    $1,206.00 - $1,206.00
    Current price $1,206.00
  • Mishimoto 01-19 Duramax Allison A1000 Transmission Pan Cast GR

    Mishimoto
    Original price $643.00
    Original price $643.00 - Original price $643.00
    Original price $643.00
    Current price $584.00
    $584.00 - $584.00
    Current price $584.00

    This Mishimoto Aluminum Transmission Pan is a direct-fit, high-performance upgrade for your 2001-2019 Chevy/GMC 6.6L Duramax. Cast from high-qualit...

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    Original price $643.00
    Original price $643.00 - Original price $643.00
    Original price $643.00
    Current price $584.00
    $584.00 - $584.00
    Current price $584.00
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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