Skip to content
Free Shipping on most orders over $150.00. Buy now, pay later with ShopPay.
Free Shipping on most orders over $150.00. Buy now, pay later with ShopPay.

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.

Filters

  • responsive-image responsive-image

    Exergy LB7 Duramax Rail End to M14x1.5

    Exergy
    $101.00 - $101.00
    $101.00
    $101.00 - $101.00
    $101.00

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

    $101.00 - $101.00
    $101.00
    $101.00 - $101.00
    $101.00
  • responsive-image responsive-image Save 8% Save %

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

    Wehrli
    $807.00
    $807.00 - $807.00
    $807.00
    $741.00
    $741.00 - $741.00
    $741.00

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

    View full details
    $807.00
    $807.00 - $807.00
    $807.00
    $741.00
    $741.00 - $741.00
    $741.00
    Save 8% Save %
  • responsive-image responsive-image Save 8% Save %

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

    Wehrli
    $1,290.00
    $1,290.00 - $1,290.00
    $1,290.00
    $1,181.00
    $1,181.00 - $1,181.00
    $1,181.00

    Wehrli Model WCF100684 High flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic f...

    View full details
    $1,290.00
    $1,290.00 - $1,290.00
    $1,290.00
    $1,181.00
    $1,181.00 - $1,181.00
    $1,181.00
    Save 8% Save %
  • responsive-image responsive-image

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

    Wehrli
    $0.00 - $0.00
    $0.00
    $494.00
    $494.00 - $494.00
    $494.00

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

    View full details
    $0.00 - $0.00
    $0.00
    $494.00
    $494.00 - $494.00
    $494.00
  • responsive-image responsive-image

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

    Wehrli
    $0.00 - $0.00
    $0.00
    $583.00
    $583.00 - $583.00
    $583.00

    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...

    View full details
    $0.00 - $0.00
    $0.00
    $583.00
    $583.00 - $583.00
    $583.00
  • responsive-image responsive-image

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

    Wehrli
    $0.00 - $0.00
    $0.00
    $550.00
    $550.00 - $550.00
    $550.00

    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...

    View full details
    $0.00 - $0.00
    $0.00
    $550.00
    $550.00 - $550.00
    $550.00
  • responsive-image responsive-image

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

    Wehrli
    $0.00 - $0.00
    $0.00
    $392.00
    $392.00 - $392.00
    $392.00

    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...

    View full details
    $0.00 - $0.00
    $0.00
    $392.00
    $392.00 - $392.00
    $392.00
  • responsive-image responsive-image Save 10% Save %

    Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit

    Wehrli
    $743.00
    $743.00 - $743.00
    $743.00
    $672.00
    $672.00 - $672.00
    $672.00

    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...

    View full details
    $743.00
    $743.00 - $743.00
    $743.00
    $672.00
    $672.00 - $672.00
    $672.00
    Save 10% Save %
  • responsive-image responsive-image

    Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Upper Coolant Pipe

    Wehrli
    $0.00 - $0.00
    $0.00
    $205.00
    $205.00 - $205.00
    $205.00

    Wehrli Model WCF100860 Aluminum Upper Coolant Pipe for LB7/LLY Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of ...

    View full details
    $0.00 - $0.00
    $0.00
    $205.00
    $205.00 - $205.00
    $205.00
  • responsive-image responsive-image Save 3% Save %

    Wehrli 01-04 Duramax LB7 Stage 2 High Flow Bundle Intake Bundle Kit

    Wehrli
    $2,628.00
    $2,628.00 - $2,628.00
    $2,628.00
    $2,550.00
    $2,550.00 - $2,550.00
    $2,550.00

    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...

    View full details
    $2,628.00
    $2,628.00 - $2,628.00
    $2,628.00
    $2,550.00
    $2,550.00 - $2,550.00
    $2,550.00
    Save 3% Save %
  • responsive-image responsive-image

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

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $98.00
    $98.00 - $98.00
    $98.00

    Fleece Performance Model FPE-L5P-MAP-SPRAll new Fleece Performance MAP sensor spacer with boost reference port for the L5P Duramax. Problem: Becaus...

    View full details
    $0.00 - $0.00
    $0.00
    $98.00
    $98.00 - $98.00
    $98.00
  • responsive-image responsive-image

    Fleece Performance 06-10 GM Duramax 6.6L LBZ/LMM Allison Transmission Cooler Lines

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $382.00
    $382.00 - $382.00
    $382.00

    Fleece Performance Model FPE-TL-LBZ-LMMReplace your leaking transmission lines with our heavy duty, high flow, flexible transmission lines. Our kit...

    View full details
    $0.00 - $0.00
    $0.00
    $382.00
    $382.00 - $382.00
    $382.00
  • responsive-image responsive-image

    Fleece Performance 06-10 GM 2500/3500 Duramax 6.6L Fuel Pressure Regulator Wiring Harness

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $100.00
    $100.00 - $100.00
    $100.00

    Fleece Performance Model FPE-HAR-DMAX-FPROur Fuel Pressure Regulator (FPR) harness for the 2001-2010 6.6L Duramax is a direct replacement for GM Pa...

    View full details
    $0.00 - $0.00
    $0.00
    $100.00
    $100.00 - $100.00
    $100.00
  • responsive-image responsive-image

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

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $57.00
    $57.00 - $57.00
    $57.00

    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...

    View full details
    $0.00 - $0.00
    $0.00
    $57.00
    $57.00 - $57.00
    $57.00
  • responsive-image responsive-image

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

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $85.00
    $85.00 - $85.00
    $85.00

    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 ...

    View full details
    $0.00 - $0.00
    $0.00
    $85.00
    $85.00 - $85.00
    $85.00
  • responsive-image responsive-image Save 9% Save %

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

    Mishimoto
    $499.00
    $499.00 - $499.00
    $499.00
    $454.00
    $454.00 - $454.00
    $454.00

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

    View full details
    $499.00
    $499.00 - $499.00
    $499.00
    $454.00
    $454.00 - $454.00
    $454.00
    Save 9% Save %
  • responsive-image responsive-image

    USA Standard Gear Standard Spider Gear Set For GM 9.5in / 33 Spline

    Yukon Gear & Axle
    $271.00 - $271.00
    $271.00
    $271.00 - $271.00
    $271.00

    USA Standard Gear spider gear kits feature high quality materials and superior manufacturing techniques to produce a longer lasting spider gear set...

    View full details
    $271.00 - $271.00
    $271.00
    $271.00 - $271.00
    $271.00
  • responsive-image responsive-image

    SCT Performance Livewire TS+ Replacement OBD2 Cable

    SCT Performance
    $36.00 - $36.00
    $36.00
    $36.00 - $36.00
    $36.00

    SCT Performance LLC. is a leading provider of handheld automotive performance / fuel economy programmers and custom tuning software for Ford, Gener...

    View full details
    $36.00 - $36.00
    $36.00
    $36.00 - $36.00
    $36.00
  • responsive-image responsive-image Save 10% Save %

    Banks Power 11-16 Chevy/GMC 2500HD/3500HD Diesel 6.6L Boost Tube Upgrade Kit

    Banks Power
    $676.00
    $676.00 - $676.00
    $676.00
    $608.00
    $608.00 - $608.00
    $608.00

    OEM replacements for left and right side boost tubes with silicone couplers. With up to 105% greater flow area compared to stock, these better-flow...

    View full details
    $676.00
    $676.00 - $676.00
    $676.00
    $608.00
    $608.00 - $608.00
    $608.00
    Save 10% Save %
  • responsive-image responsive-image

    BD Diesel Common Rail Fuel Plug - 2007.5-2012 Dodge 6.7L/2004.5-2010 Chevy Duramax

    BD Diesel
    $62.00 - $62.00
    $62.00
    $66.00
    $66.00 - $66.00
    $66.00

    Common Rail Fuel Plugs replace failing pressure relief valves on Dodge Cummins and Chevy Duramax fuel systems. These Fuel Plugs seal in 30,000 psi ...

    View full details
    $62.00 - $62.00
    $62.00
    $66.00
    $66.00 - $66.00
    $66.00
  • responsive-image responsive-image Save 10% Save %

    Banks Power 17-19 Chevy Duramax L5P 2500/3500 Monster Exhaust System w/ Black Tip

    Banks Power
    $896.00
    $896.00 - $896.00
    $896.00
    $807.00
    $807.00 - $807.00
    $807.00

    5" aluminized steel constant-diameter DPF-back system with Patented negative backpressure SideKick tip. 85% less backpressure and 15% lower exhaust...

    View full details
    $896.00
    $896.00 - $896.00
    $896.00
    $807.00
    $807.00 - $807.00
    $807.00
    Save 10% Save %
  • responsive-image responsive-image

    aFe Large Bore-HD 4in 409-SS DPF-Back Exhaust w/Dual Polished Tips 2017 GM Duramax V8-6.6L (td) L5P

    aFe
    $1,145.00 - $1,145.00
    $1,145.00
    $1,145.00 - $1,145.00
    $1,145.00

    Interested in a new exhaust system for your L5P Duramax? Check out the Large Bore-HD dual DPF-Back exhaust system by aFe. This system is constructe...

    View full details
    $1,145.00 - $1,145.00
    $1,145.00
    $1,145.00 - $1,145.00
    $1,145.00
  • responsive-image responsive-image

    Yukon Gear 07-19 Chevrolet Silverado 2500 HD/3500 HD High-Capacity Aluminum Allison Transmission Pan

    Yukon Gear & Axle
    $611.00 - $611.00
    $611.00
    $611.00 - $611.00
    $611.00

    Whether on the road, on the trail, or towing, superior cooling is vital for reliable transmission shifting. Yukon’s high-capacity transmission pa...

    View full details
    $611.00 - $611.00
    $611.00
    $611.00 - $611.00
    $611.00
  • responsive-image responsive-image Save 9% Save %

    Mishimoto 01-19 Duramax Allison A1000 Transmission Pan Cast GR

    Mishimoto
    $641.00
    $641.00 - $641.00
    $641.00
    $583.00
    $583.00 - $583.00
    $583.00

    This Mishimoto Aluminum Transmission Pan is a direct-fit, high-performance upgrade for your 2001-2019 Chevy/GMC 6.6L Duramax. Cast from high-qualit...

    View full details
    $641.00
    $641.00 - $641.00
    $641.00
    $583.00
    $583.00 - $583.00
    $583.00
    Save 9% Save %

 

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