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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 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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    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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    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
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    Wehrli LLY / LBZ / LMM Duramax Turbo Compressor Inlet Billet Steel Flange

    Wehrli
    $0.00 - $0.00
    $0.00
    $38.80
    $38.80 - $38.80
    $38.80

    Wehrli Model WCF205-81Wehrli LLY / LBZ / LMM Duramax Turbo Compressor Inlet Billet Steel Flange

    $0.00 - $0.00
    $0.00
    $38.80
    $38.80 - $38.80
    $38.80
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    Wehrli 20-24 Chevy & GMC Duramax RCLB/CCSB/ECSB 60in. Traction Bar Kit

    Wehrli
    $969.03 - $969.03
    $969.03
    $969.03 - $969.03
    $969.03

    Wehrli Model WCF100826 ***This kit includes 60" long bars for Regular Cab Long Bed, Extended Cab Short Bed and Crew Cab Short Bed Models*** ***This...

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    $969.03 - $969.03
    $969.03
    $969.03 - $969.03
    $969.03
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    Wehrli 20-24 Duramax L5P Auxiliary Coolant Tank Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $241.53
    $241.53 - $241.53
    $241.53

    Wehrli Model WCF100224 2020-2025 L5P Duramax Fabricated Aluminum Auxiliary Coolant Tank Kit, mounts in OEM location. Dress up your engine bay by ...

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    $0.00 - $0.00
    $0.00
    $241.53
    $241.53 - $241.53
    $241.53
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    Wehrli Chevrolet LBZ/LMM Duramax 3in Y-Bridge Kit (Bridge Only)

    Wehrli
    $569.00
    $569.00 - $569.00
    $569.00
    $522.83
    $522.83 - $522.83
    $522.83

    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
    $522.83
    $522.83 - $522.83
    $522.83
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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 01-19 Chevrolet LB7/LLY/LBZ/LMM/LML/L5P Duramax Brake Master Cylinder Cover

    Wehrli
    $0.00 - $0.00
    $0.00
    $145.50
    $145.50 - $145.50
    $145.50

    Wehrli Model WCF100205Clean up the engine bay of your 2001-2019 Chevy Silverado or GMC Sierra 2500/3500 Duramax truck with this custom powder coate...

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    $0.00 - $0.00
    $0.00
    $145.50
    $145.50 - $145.50
    $145.50
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    Wehrli 01-16 Chevrolet Duramax Exhaust Manifold Kit w/ Gaskets & Hardware

    Wehrli
    $0.00 - $0.00
    $0.00
    $1,401.65
    $1,401.65 - $1,401.65
    $1,401.65

    Wehrli Model WCF100363 Wehrli 01-16 Chevrolet Duramax Exhaust Manifold Kit w/ Gaskets & Hardware Fully TIG Welded, CNC machined billet steel ...

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    $0.00 - $0.00
    $0.00
    $1,401.65
    $1,401.65 - $1,401.65
    $1,401.65
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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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    Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit

    Wehrli
    $524.00
    $524.00 - $524.00
    $524.00
    $474.33
    $474.33 - $474.33
    $474.33

    Wehrli Model WCF100405 The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper rad...

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    $524.00
    $524.00 - $524.00
    $524.00
    $474.33
    $474.33 - $474.33
    $474.33
    Save 9% Save %
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    Wehrli 01-04 Duramax LB7 Stage 2 High Flow Bundle Intake Bundle Kit

    Wehrli
    $1,855.00
    $1,855.00 - $1,855.00
    $1,855.00
    $1,799.95
    $1,799.95 - $1,799.95
    $1,799.95

    Wehrli Model WCF100435 WCFab 2001-2004 GM LB7 6.6L Duramax Stage 2 High Flow Intake Bundle Kit Stage 2 upgrade for the 2001-2004 LB7 Duramax combin...

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    $1,855.00
    $1,855.00 - $1,855.00
    $1,855.00
    $1,799.95
    $1,799.95 - $1,799.95
    $1,799.95
    Save 3% Save %
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    Wehrli 01-04 Chevrolet 6.6L LB7 Duramax Driver Side 3in Intercooler Pipe

    Wehrli
    $0.00 - $0.00
    $0.00
    $305.55
    $305.55 - $305.55
    $305.55

    Wehrli Model WCF100349 1 Piece 3" Driver Side Intercooler pipe that was designed to replace the factory pipe and low-quality silicone boots. This I...

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    $0.00 - $0.00
    $0.00
    $305.55
    $305.55 - $305.55
    $305.55
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    Wehrli 07.5-10 Chevrolet Duramax LMM 4in Intake Kit Stage 2

    Wehrli
    $0.00 - $0.00
    $0.00
    $800.25
    $800.25 - $800.25
    $800.25

    Wehrli Model WCF100303 WCFab 2007.5-2010 GM LMM 6.6L Duramax Stage 2 Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and a...

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    $0.00 - $0.00
    $0.00
    $800.25
    $800.25 - $800.25
    $800.25
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    Wehrli 07.5-10 Chevrolet Duramax LMM 4in Intake Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $528.65
    $528.65 - $528.65
    $528.65

    Wehrli Model WCF100193 WCFab 2007.5-2010 GM LMM 6.6L Duramax 4" Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and air bo...

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    $0.00 - $0.00
    $0.00
    $528.65
    $528.65 - $528.65
    $528.65
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    Wehrli 2007.5-2010 LMM Duramax High Flow 3in Y-Bridge Ki

    Wehrli
    $0.00 - $0.00
    $0.00
    $994.25
    $994.25 - $994.25
    $994.25

    Wehrli Model WCF100164 This LMM 3" Y-Bridge Kit is an upgraded high flow intake kit for the 2007.5-2010 LMM 6.6L Duramax which replaces the OEM upp...

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    $0.00 - $0.00
    $0.00
    $994.25
    $994.25 - $994.25
    $994.25
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    Wehrli 11-16 Duramax LML Passenger Side 3.5 in. Intercooler Pipe

    Wehrli
    $0.00 - $0.00
    $0.00
    $334.65
    $334.65 - $334.65
    $334.65

    Wehrli Model WCF100682 The 3.5" High Flow Passenger Side Intercooler Pipe for 2011-2016 LML Duramax replaces the factory plastic two-piece pipe wit...

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    $0.00 - $0.00
    $0.00
    $334.65
    $334.65 - $334.65
    $334.65
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    Wehrli LML Duramax Twin Turbo Pedestal

    Wehrli
    $0.00 - $0.00
    $0.00
    $290.03
    $290.03 - $290.03
    $290.03

    Wehrli Model WCF100676Wehrli LML Duramax Twin Turbo Pedestal Twin Turbo Pedestal for LML Duramax. #8 JIC / -8AN turbo drain incorporated into turbo...

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    $0.00 - $0.00
    $0.00
    $290.03
    $290.03 - $290.03
    $290.03
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    Wehrli 11-16 Chevrolet 6.6L LML Duramax Driver Side 3in Intercooler Pipe

    Wehrli
    $0.00 - $0.00
    $0.00
    $305.55
    $305.55 - $305.55
    $305.55

    Wehrli Model WCF100353 The 3" High Flow Driver Side Intercooler Pipe for 2011-2016 LML Duramax replaces the factory two piece 2 ½" pipe with a high...

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    $0.00 - $0.00
    $0.00
    $305.55
    $305.55 - $305.55
    $305.55
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    Wehrli 06-07 Chevrolet Duramax 6.6L LBZ Stage 2 High Flow Intake Bundle Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $2,410.45
    $2,410.45 - $2,410.45
    $2,410.45

    Wehrli Model WCF100437 Stage 2 upgrade for the 2006-2007 LBZ 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 HD truck combines ...

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    $0.00 - $0.00
    $0.00
    $2,410.45
    $2,410.45 - $2,410.45
    $2,410.45
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    Wehrli 06-07 GMC/Chevrolet 6.6L Duramax Stage 1 High Flow Intake Bundle Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $1,628.63
    $1,628.63 - $1,628.63
    $1,628.63

    Wehrli Model WCF100323 Stage 1 upgrade for the 2006-2007 LBZ Duramax improves airflow between the turbo and engine for improved efficiency, throttl...

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    $0.00 - $0.00
    $0.00
    $1,628.63
    $1,628.63 - $1,628.63
    $1,628.63
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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