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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 15-19 Chevy HD Lower Valance Filler Panel License Plate Mount Bracket

    Wehrli
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $45.59
    $45.59 - $45.59
    Current price $45.59

    Wehrli Model WCF100156Wehrli 15-19 Chevy HD Lower Valance Filler Panel License Plate Mount Bracket Mounts between WCFAB Lower Valance Filler Pane...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $45.59
    $45.59 - $45.59
    Current price $45.59
  • Wehrli 15-19 Chevrolet 2500/3500 Lower Valance Panel w/Tow Hook Cut Outs - Texture Black

    Wehrli
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $280.33
    $280.33 - $280.33
    Current price $280.33

    Wehrli Model WCF100427-FTBWehrli 15-19 Chevrolet 2500/3500 Lower Valance Panel w/Tow Hook Cut Outs - Texture Black Removing the OEM plastic lower b...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $280.33
    $280.33 - $280.33
    Current price $280.33
  • Exergy 2011-2016 LML Chevy Duramax M16x1.5 Fuel Rail Plug Kit

    Exergy
    Original price $45.00 - Original price $45.00
    Original price
    $45.00
    $45.00 - $45.00
    Current price $45.00

    Exergy Model 1-029-022 2011-2016 LML Chevy Duramax M16x1.5 Fuel Rail Plug Kit

    Original price $45.00 - Original price $45.00
    Original price
    $45.00
    $45.00 - $45.00
    Current price $45.00
  • Fleece PowerFlo® Lift Pump for 2007.5-2010 LMM Duramax

    Fleece Performance
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $799.00
    $799.00 - $799.00
    Current price $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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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $799.00
    $799.00 - $799.00
    Current price $799.00
  • Fleece 04.5-10 PowerFlo® Lift Pump for 2004.5-2007 LLY/LBZ Duramax

    Fleece Performance
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $799.00
    $799.00 - $799.00
    Current price $799.00

    Fleece Performance Model FPE-34789 The PowerFlo lift pump is the latest OEM replacement performance lift pump from the diesel experts at Fleece Per...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $799.00
    $799.00 - $799.00
    Current price $799.00
  • Edge Products 98653 EAS Shift-on-the-fly Accessory

    Edge
    Original price $274.95 - Original price $274.95
    Original price
    $274.95
    $274.95 - $274.95
    Current price $274.95

    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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    Original price $274.95 - Original price $274.95
    Original price
    $274.95
    $274.95 - $274.95
    Current price $274.95
  • S&S Diesel Motorsport Duramax 12mm CP3 High Speed (1,590 mm3 /rev displacement) -New

    S&S
    Original price $2,600.00 - Original price $2,600.00
    Original price
    $2,600.00
    $2,600.00 - $2,600.00
    Current price $2,600.00

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

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    Original price $2,600.00 - Original price $2,600.00
    Original price
    $2,600.00
    $2,600.00 - $2,600.00
    Current price $2,600.00
  • S&S Diesel Motorsport Duramax 12mm CP3 (1,590 mm3 /rev displacement) -New

    S&S
    Original price $2,500.00 - Original price $2,500.00
    Original price
    $2,500.00
    $2,500.00 - $2,500.00
    Current price $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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    Original price $2,500.00 - Original price $2,500.00
    Original price
    $2,500.00
    $2,500.00 - $2,500.00
    Current price $2,500.00
  • S&S Diesel Motorsport Duramax SuperSport CP3 (higher output >3500rpm) - New

    S&S
    Original price $1,130.00 - Original price $1,130.00
    Original price
    $1,130.00
    $1,130.00 - $1,130.00
    Current price $1,130.00

    S&S Model CP3-DMX-SSS&S Diesel Motorsport Duramax SuperSport CP3 (higher output >3500rpm) S&S Duramax CP3 pumps are built from brand...

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    Original price $1,130.00 - Original price $1,130.00
    Original price
    $1,130.00
    $1,130.00 - $1,130.00
    Current price $1,130.00
  • S&S Diesel Motorsport L5P CP3 conversion kit w/ 12mm Pump - Competition Use Only

    S&S
    Original price $3,406.00 - Original price $3,406.00
    Original price
    $3,406.00
    $3,406.00 - $3,406.00
    Current price $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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    Original price $3,406.00 - Original price $3,406.00
    Original price
    $3,406.00
    $3,406.00 - $3,406.00
    Current price $3,406.00
  • S&S Diesel Motorsport Low Pressure Injector Return Line Assembly-LH Side LLY/LBZ/LMM

    S&S
    Original price $50.00 - Original price $50.00
    Original price
    $50.00
    $50.00 - $50.00
    Current price $50.00

    S&S Model DMAX-INJ-RTN-LHS&S Diesel Motorsport Low Pressure Injector Return Line Assembly-LH Side LLY/LBZ/LMM

    Original price $50.00 - Original price $50.00
    Original price
    $50.00
    $50.00 - $50.00
    Current price $50.00
  • S&S Diesel Motorsport LML Fuel Return Line Assembly

    S&S
    Original price $143.00 - Original price $143.00
    Original price
    $143.00
    $143.00 - $143.00
    Current price $143.00

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

    Original price $143.00 - Original price $143.00
    Original price
    $143.00
    $143.00 - $143.00
    Current price $143.00
  • S&S Diesel Motorsport LML CP4 to Rail - RH Side (12670475)

    S&S
    Original price $65.00 - Original price $65.00
    Original price
    $65.00
    $65.00 - $65.00
    Current price $65.00

    S&S Model LML-HPLINE-CP4-RAIL-RHS&S Diesel Motorsport LML CP4 to Rail - RH Side (12670475) *Generic image

    Original price $65.00 - Original price $65.00
    Original price
    $65.00
    $65.00 - $65.00
    Current price $65.00
  • S&S Diesel Motorsport DBV4 Single Stage Relief Valve Internal Return, LLY/LBZ/LMM, 6.7 style - 2200bar

    S&S
    Original price $318.50 - Original price $318.50
    Original price
    $318.50
    $318.50 - $318.50
    Current price $318.50

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

    Original price $318.50 - Original price $318.50
    Original price
    $318.50
    $318.50 - $318.50
    Current price $318.50
  • S&S Diesel Motorsport LBZ, 6.7L Relief Valve (2000 bar)

    S&S
    Original price $208.00 - Original price $208.00
    Original price
    $208.00
    $208.00 - $208.00
    Current price $208.00

    S&S Model PRV-LBZ/6.7CS&S Diesel Motorsport LBZ, 6.7L Relief Valve (2000 bar)

    Original price $208.00 - Original price $208.00
    Original price
    $208.00
    $208.00 - $208.00
    Current price $208.00
  • Smeding Diesel 2020-2024 L5P Duramax Differential Cover

    Smeding
    Original price $330.00 - Original price $330.00
    Original price
    $330.00
    $330.00 - $330.00
    Current price $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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    Original price $330.00 - Original price $330.00
    Original price
    $330.00
    $330.00 - $330.00
    Current price $330.00
  • Banks Power 2022+ Chevrolet 1500 / 2024+ Chevrolet 2500/3500 iDash Stealth Pod Mount - Single Gauge

    Banks Power
    Original price $121.11
    Original price $121.11 - Original price $121.11
    Original price $121.11
    Current price $109.00
    $109.00 - $109.00
    Current price $109.00

    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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    Original price $121.11
    Original price $121.11 - Original price $121.11
    Original price $121.11
    Current price $109.00
    $109.00 - $109.00
    Current price $109.00
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  • Banks Power 20-22 Chevy/GMC 2500/3500 L5P 6.6L Ram-Air Intake System - Oiled

    Banks Power
    Original price $550.00
    Original price $550.00 - Original price $550.00
    Original price $550.00
    Current price $495.00
    $495.00 - $495.00
    Current price $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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    Original price $550.00
    Original price $550.00 - Original price $550.00
    Original price $550.00
    Current price $495.00
    $495.00 - $495.00
    Current price $495.00
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  • Banks Power Pre-Filter (For PN 42141 / 42141-D)

    Banks Power
    Original price $48.98
    Original price $48.98 - Original price $48.98
    Original price $48.98
    Current price $44.08
    $44.08 - $44.08
    Current price $44.08

    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 $48.98
    Original price $48.98 - Original price $48.98
    Original price $48.98
    Current price $44.08
    $44.08 - $44.08
    Current price $44.08
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  • ATS Diesel GM 6.6L LML Five Star Torque Converter - Mid Stall

    ATS Diesel
    Original price $1,509.99 - Original price $1,509.99
    Original price
    $1,509.99
    $1,509.99 - $1,509.99
    Current price $1,509.99

    ATS Model 3029504368Five Star Viskus Drive Torque Converter, 1300-1500 Rpm Stall Speed, Billet F-Trim Stator, Positive Impeller, 2010.5 And Up 6.6L...

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    Original price $1,509.99 - Original price $1,509.99
    Original price
    $1,509.99
    $1,509.99 - $1,509.99
    Current price $1,509.99
  • Pusher Max HD Charge Tube for 2011-2016 Duramax LML Trucks

    Pusher Intakes
    Original price $399.99 - Original price $399.99
    Original price
    $399.99
    $399.99 - $399.99
    Current price $399.99

    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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    Original price $399.99 - Original price $399.99
    Original price
    $399.99
    $399.99 - $399.99
    Current price $399.99
  • XDP XTRA Cool Water Pump (With Housing) XD666

    XDP
    Original price $157.95 - Original price $157.95
    Original price
    $157.95
    $157.95 - $157.95
    Current price $157.95

    XDP Model XD6662001-2005 GM 6.6L Duramax LB7/LLY | 2003-2005 GM Kodiak/Topkick C4500/C5500 6.6L DuramaxThe XDP X-TRA Cool Water Pump (With Housing)...

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    Original price $157.95 - Original price $157.95
    Original price
    $157.95
    $157.95 - $157.95
    Current price $157.95
  • M14 x 1.5 Lug Nut Set of 32 | Black

    Rough Country
    Original price $39.95 - Original price $39.95
    Original price
    $39.95
    $39.95 - $39.95
    Current price $39.95

    Secure your new wheels with Rough Countrys Bulge Acorn Style Lug Nuts. These cold-forged lug nuts are plated with a beautiful chrome finish for a l...

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    Original price $39.95 - Original price $39.95
    Original price
    $39.95
    $39.95 - $39.95
    Current price $39.95
  • M14 x 1.5 Lug Nut Set of 32 | Chrome | Open End

    Rough Country
    Original price $39.95 - Original price $39.95
    Original price
    $39.95
    $39.95 - $39.95
    Current price $39.95

    Secure your new wheels with Rough Countrys Bulge Acorn Style Lug Nuts. These cold-forged lug nuts are plated with a beautiful chrome finish for a l...

    View full details
    Original price $39.95 - Original price $39.95
    Original price
    $39.95
    $39.95 - $39.95
    Current price $39.95

 

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