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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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    Cold Air Intake For 20-21 Chevrolet Silverado GMC Sierra V8-6.6L L5P Duramax S&B

    S&B
    $349.00 - $349.00
    $349.00
    $349.00 - $349.00
    $349.00

    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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    $349.00 - $349.00
    $349.00
    $349.00 - $349.00
    $349.00
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    Fleece Performance 11-16 GM 2500-3500 Duramax Fuel Rail Pressure Harness

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $69.99
    $69.99 - $69.99
    $69.99

    Fleece Performance Model FPE-HAR-DMAX-LML-RPFleece Performance 11-16 GM 2500-3500 Duramax Fuel Rail Pressure Harness Our Fuel Rail Pressure harness...

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    $0.00 - $0.00
    $0.00
    $69.99
    $69.99 - $69.99
    $69.99
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    HD2 Aluminum Running Boards | Crew Cab | Chevy/GMC 1500/2500HD/3500HD (07-19 & Classic)

    Rough Country
    $379.95 - $379.95
    $379.95
    $379.95 - $379.95
    $379.95

    Level up your truck's functionality and style with the Rough Country HD2 Running Boards. Crafted with precision and designed for those who demand t...

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    $379.95 - $379.95
    $379.95
    $379.95 - $379.95
    $379.95
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    2" Rear Block Kit - GM Truck

    ReadyLift
    $169.95 - $169.95
    $169.95
    $169.95 - $169.95
    $169.95

    Readylift Model 66-3052 QUICK OVERVIEW Chevy/GMC 2" OEM Style Rear Block Kit for 1988-98 GM 1500 2000-2010 GM HD 2500/3500 8-lug Includes new longe...

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    $169.95 - $169.95
    $169.95
    $169.95 - $169.95
    $169.95
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    Wehrli LB7/LLY/LBZ/LMM Duramax Upper Coolant Pipe Plug

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

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

    $0.00 - $0.00
    $0.00
    $40.74
    $40.74 - $40.74
    $40.74
  • responsive-image responsive-image Save 15% Save %

    DDP Common Rail High Pressure Diesel Injection System Cleaner

    DDP
    $50.00
    $50.00 - $50.00
    $50.00
    $42.75
    $42.75 - $42.75
    $42.75

    DDP Model DDPCRCLEANHeavy duty, one-time use injection system cleaner. Cleans the entire fuel system! This product removes contamination, resin and...

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    $50.00
    $50.00 - $50.00
    $50.00
    $42.75
    $42.75 - $42.75
    $42.75
    Save 15% Save %
  • responsive-image responsive-image

    Cold Air Intake For 17-19 Chevrolet Silverado GMC Sierra V8-6.6L L5P Duramax S&B

    S&B
    $349.00 - $349.00
    $349.00
    $349.00 - $349.00
    $349.00

    Maximum Performance Our cold air intake for the 2017-2019 Silverado / Sierra Duramax 6.6L was engineered to minimize air restriction and flows 49.9...

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    $349.00 - $349.00
    $349.00
    $349.00 - $349.00
    $349.00
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    2017+ GM 6.6L L5P Billet Fuel Filter Housing

    H&S Motorsports
    $0.00 - $0.00
    $0.00
    $115.00
    $115.00 - $115.00
    $115.00

    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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    $0.00 - $0.00
    $0.00
    $115.00
    $115.00 - $115.00
    $115.00
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    Exergy 17-24 Chevrolet Duramax 6.6L L5P New Stock Replacement Injector - Set of 8

    Exergy
    $2,400.00 - $2,400.00
    $2,400.00
    $2,400.00 - $2,400.00
    $2,400.00

    Exergy Model E02 10701Exergy 17-24 Chevrolet/GMC Duramax 6.6L L5P New Stock Replacement Injector - Set of 8 - TRUCK ONLY NOT CHASSIS CAB!

    $2,400.00 - $2,400.00
    $2,400.00
    $2,400.00 - $2,400.00
    $2,400.00
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    DDP 01-04 Chevrolet Duramax 6.6L LB7 Stock Reman Injector (Single)

    DDP
    $345.00
    $345.00 - $345.00
    $345.00
    $294.98
    $294.98 - $294.98
    $294.98

    DDP Model DDPLB7-STKDuramax 01-04 LB7 Injector: Remanufactured stock power level injector. Every internal component replaced with new OE components...

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    $345.00
    $345.00 - $345.00
    $345.00
    $294.98
    $294.98 - $294.98
    $294.98
    Save 14% Save %
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    Exergy 04.5-05 Chevrolet Duramax 6.6L LLY New Stock Replacement Left Hand Fuel Rail

    Exergy
    $220.00 - $220.00
    $220.00
    $220.00 - $220.00
    $220.00

    Exergy 04.5-05 Chevy Duramax LLY New Stock Replacement LH Fuel Rail

    $220.00 - $220.00
    $220.00
    $220.00 - $220.00
    $220.00
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    Exergy LB7 Duramax Rail End to M14x1.5

    Exergy
    $71.00 - $71.00
    $71.00
    $71.00 - $71.00
    $71.00

    Exergy Model 1-018-134Exergy LB7 Rail End to M14x1.5

    $71.00 - $71.00
    $71.00
    $71.00 - $71.00
    $71.00
  • Wehrli GMC/Chevrolet LLY/LBZ/LMM Duramax 6.6L w S400 Single Turbo 3in Down Pipe - Black. Wehrli GMC/Chevrolet LLY/LBZ/LMM Duramax 6.6L w S400 Single Turbo 3in Down Pipe - Black.

    Wehrli GMC/Chevrolet LB7 Duramax 6.6L w S400 Single Turbo 3in Down Pipe - Black

    Wehrli
    $0.00 - $0.00
    $0.00
    $251.23
    $251.23 - $251.23
    $251.23

    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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    $0.00 - $0.00
    $0.00
    $251.23
    $251.23 - $251.23
    $251.23
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    Wehrli Chevrolet LBZ/LMM Duramax 3in Y-Bridge Kit (Bridge Only)

    Wehrli
    $569.00
    $569.00 - $569.00
    $569.00
    $551.93
    $551.93 - $551.93
    $551.93

    Wehrli Model WCF100235Wehrli Chevrolet LBZ/LMM Duramax ***BRIDGE ASSEMBLY ONLY*** The factory LBZ/LMM Y-bridge is a poorly designed slip-in style ...

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    $569.00
    $569.00 - $569.00
    $569.00
    $551.93
    $551.93 - $551.93
    $551.93
    Save 3% Save %
  • responsive-image responsive-image Save 3% Save %

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

    Wehrli
    $910.00
    $910.00 - $910.00
    $910.00
    $882.70
    $882.70 - $882.70
    $882.70

    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
    $882.70
    $882.70 - $882.70
    $882.70
    Save 3% Save %
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    Wehrli 15.5-16 Chevrolet 6.6L LML Duramax 3in Stainless Down Pipe (3 Bolt Flange)

    Wehrli
    $0.00 - $0.00
    $0.00
    $348.23
    $348.23 - $348.23
    $348.23

    Wehrli Model WCF100705Wehrli 15.5-16 Chevrolet 6.6L LML Duramax 3in Stainless Down Pipe (3 Bolt Flange) Replace the restrictive crushed factory dow...

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    $0.00 - $0.00
    $0.00
    $348.23
    $348.23 - $348.23
    $348.23
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    Wehrli 06-10 Chevrolet 6.6L LBZ/LMM Duramax Passenger Side 3.5in Intercooler Pipe

    Wehrli
    $0.00 - $0.00
    $0.00
    $411.28
    $411.28 - $411.28
    $411.28

    Wehrli Model WCF100367 The 3.5" High Flow Passenger (Cold) Side Intercooler Pipe Kit for 2006-2010 LBZ/LMM Duramax replaces the failure prone facto...

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    $0.00 - $0.00
    $0.00
    $411.28
    $411.28 - $411.28
    $411.28
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    Wehrli 06-10 Chevrolet 6.6L LBZ/LMM Duramax 3.5in Intake Horn

    Wehrli
    $0.00 - $0.00
    $0.00
    $388.00
    $388.00 - $388.00
    $388.00

    Wehrli Model WCF100412 The WCFab LBZ/LMM 4.8 in. High Flow Cast Aluminum intake horn for LBZ/LMM replaces the restrictive OEM plastic inlet to prov...

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    $0.00 - $0.00
    $0.00
    $388.00
    $388.00 - $388.00
    $388.00
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    Wehrli 01-10 Chevrolet 6.6L Duramax Traction Bar Install Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $276.45
    $276.45 - $276.45
    $276.45

    Wehrli Model WCF100840 Built in house at WCFab our traction bar brackets bolt on to the bottom of the axle tube via the axle u-bolts and weld to th...

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    $0.00 - $0.00
    $0.00
    $276.45
    $276.45 - $276.45
    $276.45
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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
    $0.00 - $0.00
    $0.00
    $99.99
    $99.99 - $99.99
    $99.99

    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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    $0.00 - $0.00
    $0.00
    $99.99
    $99.99 - $99.99
    $99.99
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    Fleece Performance 17-22 GM 2500/3500 Duramax MAP Sensor Spacer & Boost Reference Port

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $68.99
    $68.99 - $68.99
    $68.99

    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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    $0.00 - $0.00
    $0.00
    $68.99
    $68.99 - $68.99
    $68.99
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    Fleece Performance 01-16 GM 2500/3500 Duramax Billet Oil Cap Cover - Black

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $39.99
    $39.99 - $39.99
    $39.99

    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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    $0.00 - $0.00
    $0.00
    $39.99
    $39.99 - $39.99
    $39.99
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    Fleece 17-22 GM 2500/3500 Duramax L5O Replacement Fuel Injector Connector

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $59.99
    $59.99 - $59.99
    $59.99

    Fleece Performance Model FPE-HAR-L5P-INJ-PTA common failure point on the L5P Duramax, our replacement connector with 4.5 inch pigtail for the fuel ...

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    $0.00 - $0.00
    $0.00
    $59.99
    $59.99 - $59.99
    $59.99
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    Mishimoto Upper & Lower Silicone Radiator Hose Kit 2001-2005 Duramax 6.6L

    Mishimoto
    $417.00 - $417.00
    $417.00
    $417.00 - $417.00
    $417.00

    Mishimoto Upper & Lower Silicone Radiator Hose Kit 2001-2005 Duramax 6.6L Mishimoto's Duramax coolant hose kits are constructed from a combinat...

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    $417.00 - $417.00
    $417.00
    $417.00 - $417.00
    $417.00

 

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