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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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  • ATS Diesel 2004.5+ GM Trucks Fuel Rail Pressure Plug

    ATS Diesel
    Original price $34.99 - Original price $34.99
    Original price
    $34.99
    $34.99 - $34.99
    Current price $34.99

    ATS Model 7050504290Fuel Rail Pressure Plug - Fits 2004.5-Present GM.Details: Fuel Rail Pressure Plug Easily check fuel pressures at the rail Stee...

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    Original price $34.99 - Original price $34.99
    Original price
    $34.99
    $34.99 - $34.99
    Current price $34.99
  • Pusher SuperMax Y-Bridge for 2011-2016 Duramax LBZ / LMM Trucks

    Pusher Intakes
    Original price $499.99 - Original price $499.99
    Original price
    $499.99
    $499.99 - $499.99
    Current price $499.99

    Pusher Model PGD1116YB OFF ROAD USE ONLY: This aftermarket component is designed for racing and/or off-road vehicles driven and shall only be used ...

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    Original price $499.99 - Original price $499.99
    Original price
    $499.99
    $499.99 - $499.99
    Current price $499.99
  • Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Clear Anodized

    Wehrli
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $51.41
    $51.41 - $51.41
    Current price $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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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $51.41
    $51.41 - $51.41
    Current price $51.41
  • Wehrli 20-24 Duramax L5P Stage 1 High Flow Bundle Kit

    Wehrli
    Original price $729.00
    Original price $729.00 - Original price $729.00
    Original price $729.00
    Current price $707.13
    $707.13 - $707.13
    Current price $707.13

    Wehrli Model WCF100410Stage 1 upgrade for the 2020-2025 L5P 6.6L Duramax Diesel Chevrolet Silverado or GMC Sierra 2500 / 3500 HD truck improves air...

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    Original price $729.00
    Original price $729.00 - Original price $729.00
    Original price $729.00
    Current price $707.13
    $707.13 - $707.13
    Current price $707.13
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  • Wehrli 11-19 GM Duramax 6.6L Lower Splash Shield Kit

    Wehrli
    Original price $314.00
    Original price $314.00 - Original price $314.00
    Original price $314.00
    Current price $304.58
    $304.58 - $304.58
    Current price $304.58

    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 $314.00
    Original price $314.00 - Original price $314.00
    Original price $314.00
    Current price $304.58
    $304.58 - $304.58
    Current price $304.58
    Save 3% Save %
  • Wehrli 04.5-10 Chevrolet 6.6L LLY/LBZ/LMM Duramax 3in Down Pipe

    Wehrli
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $194.00
    $194.00 - $194.00
    Current price $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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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $194.00
    $194.00 - $194.00
    Current price $194.00
  • Wehrli 01-16 Chevrolet 6.6L LB7/LLY/LBZ/LMM/LML Duramax Up Pipe Bolt Kit

    Wehrli
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $36.86
    $36.86 - $36.86
    Current price $36.86

    Wehrli Model WCF100240 ARP Bolt kit for 2001-2016 Duramax Up Pipes or LB7 Turbo Down pipe. 6 Washers and Bolts for installing 1 up pipe. Includes A...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $36.86
    $36.86 - $36.86
    Current price $36.86
  • Wehrli 01-04 Chevrolet 6.6L LB7 Duramax Fuel Pressure Relief Valve Delete Kit

    Wehrli
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $72.75
    $72.75 - $72.75
    Current price $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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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $72.75
    $72.75 - $72.75
    Current price $72.75
  • Fleece Performance 01-17 GM Duramax Billet Coolant Block Off Plate

    Fleece Performance
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $55.00
    $55.00 - $55.00
    Current price $55.00

    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 $0.00 - Original price $0.00
    Original price $0.00
    $55.00
    $55.00 - $55.00
    Current price $55.00
  • Fleece Performance 01-16 GM Duramax 6.6L CP3 Adapter Kit w/O-Rings

    Fleece Performance
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $66.49
    $66.49 - $66.49
    Current price $66.49

    Fleece Performance Model FPE-DMAX-CP3-ADPTReplacement CP3 adapter machined from billet aluminum for the 2001-2016 GM Duramax. Includes new O-rings ...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $66.49
    $66.49 - $66.49
    Current price $66.49
  • ARP GM Duramax 6.6L Harmonic Balancer Bolt Kit

    ARP
    Original price $30.42 - Original price $30.42
    Original price
    $30.42
    $30.42 - $30.42
    Current price $30.42

    ARP Model 129-2503ARP GM Duramax 6.6L Harmonic Balancer Bolt Kit

    Original price $30.42 - Original price $30.42
    Original price
    $30.42
    $30.42 - $30.42
    Current price $30.42
  • Mishimoto 01-21 Silverado Sierra Express Savana Duramax 6.6L Low Temp Thermostat Set

    Mishimoto
    Original price $112.00
    Original price $112.00 - Original price $112.00
    Original price $112.00
    Current price $101.95
    $101.95 - $101.95
    Current price $101.95

    Mishimoto 01-21 Silverado Sierra Express Savana Duramax 6.6L Low Temp Thermostat Set Fits 2001-2021 Chevrolet/GMC 6.6L Duramax (see fitment char...

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    Original price $112.00
    Original price $112.00 - Original price $112.00
    Original price $112.00
    Current price $101.95
    $101.95 - $101.95
    Current price $101.95
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  • Wehrli 11-16 Chevrolet 6.6L LML Duramax 5in Intake Horn

    Wehrli
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $397.70
    $397.70 - $397.70
    Current price $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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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $397.70
    $397.70 - $397.70
    Current price $397.70
  • Wehrli 11-16 Chevrolet 6.6L Duramax LML 4in Intake Kit Stage 2

    Wehrli
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $839.05
    $839.05 - $839.05
    Current price $839.05

    Wehrli Model WCF100304 This high-flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plas...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $839.05
    $839.05 - $839.05
    Current price $839.05
  • Industrial Injection 11-16 Duramax 6.6L LML Bosch Disaster Kit WITHOUT CP4

    Industrial Injection
    Original price $4,887.95
    Original price $4,887.95 - Original price $4,887.95
    Original price $4,887.95
    Current price $4,741.31
    $4,741.31 - $4,741.31
    Current price $4,741.31

    Industrial Injection Model: 4G6103 FEATURES: OEM Fuel line pump right side to rail OEM Fuel Line rail to rail OEM Fuel line pump left side to rail...

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    Original price $4,887.95
    Original price $4,887.95 - Original price $4,887.95
    Original price $4,887.95
    Current price $4,741.31
    $4,741.31 - $4,741.31
    Current price $4,741.31
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  • GM CP4 to CP3 Conversion Kit For 11-16 LML 6.6L Duramax Includes Pump Industrial Injection

    Industrial Injection
    Original price $2,299.95
    Original price $2,299.95 - Original price $2,299.95
    Original price $2,299.95
    Current price $2,230.95
    $2,230.95 - $2,230.95
    Current price $2,230.95

    Industrial Injection Model: 436401This kit is designed to work with factory OE trucks without tuning and modifications. Factory emissions must be i...

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    Original price $2,299.95
    Original price $2,299.95 - Original price $2,299.95
    Original price $2,299.95
    Current price $2,230.95
    $2,230.95 - $2,230.95
    Current price $2,230.95
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  • Wehrli 06-10 Duramax LBZ/LMM Intercooler Outlet Elbow Kit

    Wehrli
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $231.83
    $231.83 - $231.83
    Current price $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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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $231.83
    $231.83 - $231.83
    Current price $231.83
  • Wehrli 04.5-10 Chevrolet 6.6L LLY/LBZ/LMM Duramax Driver Side 3in Intercooler Pipe

    Wehrli
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $305.55
    $305.55 - $305.55
    Current price $305.55

    Wehrli Model WCF100352 LLY, LBZ, LMM Duramax One Piece High Flow 3" Driver Side Intercooler pipe. Replaces the 2 1/2" OEM inter cooler with a full ...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $305.55
    $305.55 - $305.55
    Current price $305.55
  • Exergy 01-04 Chevrolet Duramax 6.6L LB7 Rail Pressure Sensor

    Exergy
    Original price $229.00 - Original price $229.00
    Original price
    $229.00
    $229.00 - $229.00
    Current price $229.00

    Exergy 01-04 Chevy Duramax LB7 Rail Pressure Sensor

    Original price $229.00 - Original price $229.00
    Original price
    $229.00
    $229.00 - $229.00
    Current price $229.00
  • Wehrli 17-19 Chevrolet L5P Duramax High Flow Intake Bundle Kit

    Wehrli
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $615.95
    $615.95 - $615.95
    Current price $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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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $615.95
    $615.95 - $615.95
    Current price $615.95
  • XDP OER Series Fuel Return Line Assembly 2011-2016 GM 6.6L Duramax LML/LGH

    XDP
    Original price $86.95 - Original price $86.95
    Original price
    $86.95
    $86.95 - $86.95
    Current price $86.95

    XDP Model XD607Restore the fuel system in your 2011-2016 GM 6.6L Duramax LML/LGH with the OER Series Fuel Return Line Assembly XD607. If you have d...

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    Original price $86.95 - Original price $86.95
    Original price
    $86.95
    $86.95 - $86.95
    Current price $86.95
  • PureFlow AirDog II-5G 15-16 Chevrolet 6.6L Duramax DF-165-5G Fuel Pump

    AirDog
    Original price $840.00
    Original price $840.00 - Original price $840.00
    Original price $840.00
    Current price $816.00
    $816.00 - $816.00
    Current price $816.00

    Airdog Model A7SABC513 This is the AirDog II-5G DF-165-5G fuel system for the 2015-2016 Chevy/GMC Duramax 6.6L Diesel. This diesel lift pump mounts...

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    Original price $840.00
    Original price $840.00 - Original price $840.00
    Original price $840.00
    Current price $816.00
    $816.00 - $816.00
    Current price $816.00
    Save 3% Save %
  • PureFlow AirDog 01-10 Chevrolet 6.6L Duramax FP-100-4G Fuel Pump

    AirDog
    Original price $715.00
    Original price $715.00 - Original price $715.00
    Original price $715.00
    Current price $693.00
    $693.00 - $693.00
    Current price $693.00

    Airdog Model A4SPBC185 This is the AirDog I FP-100-4G fuel system for the 2001-2010 Chevy/GMC Duramax 6.6L. This diesel lift pump mounts to the fra...

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    Original price $715.00
    Original price $715.00 - Original price $715.00
    Original price $715.00
    Current price $693.00
    $693.00 - $693.00
    Current price $693.00
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  • Pusher Max Compound Turbo System for 2006-2007 Duramax LBZ Trucks

    Pusher Intakes
    Original price $3,150.00 - Original price $3,150.00
    Original price
    $3,150.00
    $3,150.00 - $3,150.00
    Current price $3,150.00

    Pusher Intakes Model PGD0607GBS This product is not emissions compliant. Off-road use only. The Pusher Max Compound Turbo System was designed and t...

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    Original price $3,150.00 - Original price $3,150.00
    Original price
    $3,150.00
    $3,150.00 - $3,150.00
    Current price $3,150.00

 

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