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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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  • WeatherTech 19-24 Chevrolet Silverado CREW CAB SillProtector (4pc Set) - Black. WeatherTech 19-24 Chevrolet Silverado CREW CAB SillProtector (4pc Set) - Black.

    WeatherTech 19-24 Chevrolet Silverado CREW CAB SillProtector (4pc Set) - Black

    WeatherTech
    $73.95 - $73.95
    $73.95
    $73.95 - $73.95
    $73.95

    WeatherTech Model ST012K2 CREW CAB MODELS ONLY!Made from the same impact-resistant material as BumperTopper, SillProtector is a custom-fitting, dur...

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    $73.95 - $73.95
    $73.95
    $73.95 - $73.95
    $73.95
  • S&S Diesel Motorsport L5P Duramax Injectors (2017+)- Set. S&S Diesel Motorsport L5P Duramax Injectors (2017+)- Set.

    S&S Diesel Motorsport L5P Duramax Injectors (2017+)- Set

    S&S
    $3,707.60 - $5,501.60
    $3,707.60
    $3,707.60 - $5,501.60
    $3,707.60

    S&S Diesel Motorsport L5P Duramax Injectors (2017+)- Set S&S Upgrades Proprietary nozzle honing process for clean and consistent holes Noz...

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    $3,707.60 - $5,501.60
    $3,707.60
    $3,707.60 - $5,501.60
    $3,707.60
    Select Options
  • S&S Diesel Motorsport LMM Duramax Injectors (2007.5-2010) - Reman or New (Set). S&S Diesel Motorsport LMM Duramax Injectors (2007.5-2010) - Reman or New (Set).

    S&S Diesel Motorsport LMM Duramax Injectors (2007.5-2010) - Reman or New (Set)

    S&S
    $4,246.88 - $7,477.60
    $4,246.88
    $4,246.88 - $7,477.60
    $4,246.88

    LMM Duramax Injectors (2007.5-2010) - (Set) S&S Upgrades Proprietary nozzle honing process for clean and consistent holes Nozzles flow-matched...

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    $4,246.88 - $7,477.60
    $4,246.88
    $4,246.88 - $7,477.60
    $4,246.88
    Select Options
  • S&S Diesel Motorsport LLY Duramax (2004.5-2005) Injectors -Set. S&S Diesel Motorsport LLY Duramax (2004.5-2005) Injectors -Set.

    S&S Diesel Motorsport LLY Duramax (2004.5-2005) Injectors -Set

    S&S
    $3,421.60 - $6,624.80
    $3,421.60
    $3,421.60 - $6,624.80
    $3,421.60

    (SET) S&S Upgrades Proprietary nozzle honing process for clean and consistent holes Nozzles flow-matched to 1% variance per set, using OE st...

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    $3,421.60 - $6,624.80
    $3,421.60
    $3,421.60 - $6,624.80
    $3,421.60
    Select Options
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    Acdelco Speed Sensor 22873507 For 2007.5–2010 Chevy/GMC 2500HD/3500HD Trucks

    Kryptonite
    $56.99 - $56.99
    $56.99
    $56.99 - $56.99
    $56.99

    Fits; 2007.5-2010 2500HD 3500HD Truck DESCRIPTION: Replacement ABS Wheel Speed sensor for front wheel hub assembly on 2007.5 or newer models up to ...

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    $56.99 - $56.99
    $56.99
    $56.99 - $56.99
    $56.99
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    Wehrli 15-19 GM 2500/3500 HD Bumper Spacer Kit - 3/8in

    Wehrli
    $0.00 - $0.00
    $0.00
    $184.30
    $184.30 - $184.30
    $184.30

    Wehrli Model WCF100453Wehrli 15-19 GM 2500/3500 HD Bumper Spacer Kit - 3/8in WCFab 3/8" Front Bumper Spacer Kit for 2015-2019 GM 2500/3500 HD Truck...

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    $0.00 - $0.00
    $0.00
    $184.30
    $184.30 - $184.30
    $184.30
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    Wehrli 99-23 GM Billet Coolant Heater Core Firewall Fitting

    Wehrli
    $0.00 - $0.00
    $0.00
    $40.74
    $40.74 - $40.74
    $40.74

    Wehrli Model 100155 *ALLOW 5-7 DAY LEAD TIME FOR SHIPMENT!Wehrli 99-23 GM Billet Coolant Heater Core Firewall Fitting The factory plastic GM Coolan...

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    $0.00 - $0.00
    $0.00
    $40.74
    $40.74 - $40.74
    $40.74
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    Fleece PowerFlo® Lift Pump for 2007.5-2010 LMM Duramax

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $799.00
    $799.00 - $799.00
    $799.00

    Fleece Performance Model FPE-34790 The PowerFlo lift pump is the latest OEM replacement performance lift pump from the diesel experts at Fleece Per...

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    $0.00 - $0.00
    $0.00
    $799.00
    $799.00 - $799.00
    $799.00
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    Edge Products 98653 EAS Shift-on-the-fly Accessory

    Edge
    $280.95 - $280.95
    $280.95
    $280.95 - $280.95
    $280.95

    Edge Model 98653The Edge Products 98653 EAS Shift-On-The-Fly Accessory gives you the ability to change custom tunes on your Insight CS2, CTS2, or C...

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    $280.95 - $280.95
    $280.95
    $280.95 - $280.95
    $280.95
  • S&S Diesel Motorsport Duramax 12mm CP3 (1,590 mm3 /rev displacement) -New. S&S Diesel Motorsport Duramax 12mm CP3 (1,590 mm3 /rev displacement) -New.

    S&S Diesel Motorsport Duramax 12mm CP3 (1,590 mm3 /rev displacement) -New

    S&S
    $2,500.00 - $2,500.00
    $2,500.00
    $2,500.00 - $2,500.00
    $2,500.00

    S&S Model CP3-DMX-12S&S Diesel Motorsport Duramax 12mm CP3 (1,590 mm3 /rev displacement) | New LBZ-based. 2001-2010 Duramax Trucks 2001-200...

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    $2,500.00 - $2,500.00
    $2,500.00
    $2,500.00 - $2,500.00
    $2,500.00
  • S&S Diesel Motorsport L5P CP3 conversion kit w/ 10mm Pump - Competition Use Only. S&S Diesel Motorsport L5P CP3 conversion kit w/ 10mm Pump - Competition Use Only.

    S&S Diesel Motorsport L5P CP3 conversion kit w/ 14mm Pump - Competition Use Only

    S&S
    $3,900.00 - $3,900.00
    $3,900.00
    $3,900.00 - $3,900.00
    $3,900.00

    S&S Model L5P-CP3-14S&S Diesel Motorsport L5P CP3 conversion kit w/ 14mm Pump - Competition Use Only Will not work on stock trucks! No Ship...

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    $3,900.00 - $3,900.00
    $3,900.00
    $3,900.00 - $3,900.00
    $3,900.00
  • S&S Diesel Motorsport L5P CP3 conversion kit w/ 10mm Pump - Competition Use Only. S&S Diesel Motorsport L5P CP3 conversion kit w/ 10mm Pump - Competition Use Only.

    S&S Diesel Motorsport L5P CP3 conversion kit w/ 12mm Pump - Competition Use Only

    S&S
    $3,406.00 - $3,406.00
    $3,406.00
    $3,406.00 - $3,406.00
    $3,406.00

    S&S Model L5P-CP3-12S&S Diesel Motorsport L5P CP3 conversion kit w/ 12mm Pump - Competition Use Only Will not work on stock trucks! No Ship...

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    $3,406.00 - $3,406.00
    $3,406.00
    $3,406.00 - $3,406.00
    $3,406.00
  • S&S Diesel Motorsport LML Fuel Return Line Assembly. S&S Diesel Motorsport LML Fuel Return Line Assembly.

    S&S Diesel Motorsport LML Fuel Return Line Assembly

    S&S
    $143.00 - $143.00
    $143.00
    $143.00 - $143.00
    $143.00

    S&S Model LML-RTNLINE-ASM S&S Diesel Motorsport LML Fuel Return Line Assembly *Generic Image

    $143.00 - $143.00
    $143.00
    $143.00 - $143.00
    $143.00
  • S&S Diesel Motorsport DBV4 Single Stage Relief Valve Innternal Return LLY/LBZ/LMM, 6.7 Style - 2700bar. S&S Diesel Motorsport DBV4 Single Stage Relief Valve Innternal Return LLY/LBZ/LMM, 6.7 Style - 2700bar.

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

    S&S
    $318.50 - $318.50
    $318.50
    $318.50 - $318.50
    $318.50

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

    $318.50 - $318.50
    $318.50
    $318.50 - $318.50
    $318.50
  • S&S Diesel Motorsport DBV4 Single Stage Relief Valve Innternal Return LLY/LBZ/LMM, 6.7 Style - 2700bar. S&S Diesel Motorsport DBV4 Single Stage Relief Valve Innternal Return LLY/LBZ/LMM, 6.7 Style - 2700bar.

    S&S Diesel Motorsport DBV4 2 Stage Relief Valve Internal Return LLY/LBZ/LMM Style 2400 Bar

    S&S
    $286.00 - $286.00
    $286.00
    $286.00 - $286.00
    $286.00

    S&S Model PRV-I-2400-2SDBV4 2 stage relief valve, internal return, LLY/LBZ/LMM style - 2400bar *Generic Image

    $286.00 - $286.00
    $286.00
    $286.00 - $286.00
    $286.00
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    S&S Diesel Motorsport LBZ Nozzle Set

    S&S
    $1,120.00 - $1,624.00
    $1,120.00
    $1,120.00 - $1,624.00
    $1,120.00

    S&S Diesel Motorsport LBZ Nozzle Set - SAC *Generic image

    $1,120.00 - $1,624.00
    $1,120.00
    $1,120.00 - $1,624.00
    $1,120.00
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    Yukon Unit Bearing & Hub Assembly for 99-14 GM 1/2 Ton Front

    Yukon Gear & Axle
    $227.89 - $227.89
    $227.89
    $227.89 - $227.89
    $227.89

    Enhanced Safety: Rest easy knowing that the YB U515036 hub assembly meets or exceeds OE standards, keeping you and your passengers safe on the road...

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    $227.89 - $227.89
    $227.89
    $227.89 - $227.89
    $227.89
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    Smeding Diesel 2020-2024 L5P Duramax Differential Cover

    Smeding
    $330.00 - $330.00
    $330.00
    $330.00 - $330.00
    $330.00

    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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    $330.00 - $330.00
    $330.00
    $330.00 - $330.00
    $330.00
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    Banks Power 2022+ GM - iDash Stealth Dual Gauge Pod Kit

    Banks Power
    $143.33
    $143.33 - $143.33
    $143.33
    $129.00
    $129.00 - $129.00
    $129.00

    iDash Stealth Pods are direct-fit gauge mounts that affix to your late 2022+ GM 1500's and 2024+ 2500/3500 factory A-pillar grab handle while con...

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    $143.33
    $143.33 - $143.33
    $143.33
    $129.00
    $129.00 - $129.00
    $129.00
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    Banks Power 2020 GM 2500/3500 6.6L L5P Boost Tube Upgrade Kit - Red

    Banks Power
    $775.56
    $775.56 - $775.56
    $775.56
    $698.00
    $698.00 - $698.00
    $698.00

    Banks massive 3.5 inch boost tubes are the largest on the market, flowing 26-45 percent more air than stock! Smooth mandrel-bent tubes deliver more...

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    $775.56
    $775.56 - $775.56
    $775.56
    $698.00
    $698.00 - $698.00
    $698.00
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    Banks Power 20-22 Chevy/GMC 2500/3500 L5P 6.6L Ram-Air Intake System - Oiled

    Banks Power
    $550.00
    $550.00 - $550.00
    $550.00
    $495.00
    $495.00 - $495.00
    $495.00

    A groundbreaking cold air intake featuring the patented Banks Air Mass Control Module. The electronic device allows our engineers to use the Banks ...

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    $550.00
    $550.00 - $550.00
    $550.00
    $495.00
    $495.00 - $495.00
    $495.00
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    Wehrli 17-19 Chevrolet 6.6L L5P 4in Intake Kit Stage 2

    Wehrli
    $0.00 - $0.00
    $0.00
    $813.83
    $813.83 - $813.83
    $813.83

    Wehrli Model WCF100360 This high-flow fabricated aluminum intake pipe, intake horn, and air box enclosure with dry filter assembly replaces the res...

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    $0.00 - $0.00
    $0.00
    $813.83
    $813.83 - $813.83
    $813.83
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    CSF 2001 Chevrolet Silverado 2500HD 6.6L OEM Intercooler

    CSF
    $391.84 - $391.84
    $391.84
    $391.84 - $391.84
    $391.84

    CSF Model 6007CSF 2001 Chevrolet Silverado 2500HD 6.6L OEM Intercooler

    $391.84 - $391.84
    $391.84
    $391.84 - $391.84
    $391.84
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    Pusher Max HD Charge Tube for 2011-2016 Duramax LML Trucks

    Pusher Intakes
    $449.99 - $449.99
    $449.99
    $449.99 - $449.99
    $449.99

    Pusher Model PGD1116BT This product is not emissions compliant. Off-road use only. Pusher Max HD Charge Tube replaces all factory passenger-side ch...

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    $449.99 - $449.99
    $449.99
    $449.99 - $449.99
    $449.99
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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