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

  • Wehrli 07.5-10 Chevrolet 6.6L LMM Duramax OEM Placement Coolant Tank Kit

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 9,030.00
    $ 9,030.00 - $ 9,030.00
    Current price $ 9,030.00

    Wehrli Model WCF100646 2007.5-2010 LMM Duramax Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location. Dress up your engine bay...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 9,030.00
    $ 9,030.00 - $ 9,030.00
    Current price $ 9,030.00
  • Wehrli 11-16 Chevrolet 6.6L Duramax LML Billet Upper Valve Cover Set

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 7,571.00
    $ 7,571.00 - $ 7,571.00
    Current price $ 7,571.00

    Wehrli Model WCF100416 WCFab Billet Aluminum Upper Valve Cover Set fits LML Duramax and is a great way to clean up your engine's appearance. Integ...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 7,571.00
    $ 7,571.00 - $ 7,571.00
    Current price $ 7,571.00
  • Wehrli 6.6L LML Duramax High Pressure Line CP3 Conversion Kit

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 7,664.00
    $ 7,664.00 - $ 7,664.00
    Current price $ 7,664.00

    Wehrli Model WCF100402Wehrli 6.6L LML Duramax High Pressure Line CP3 Conversion Kit Longer and Larger I.D. High-Pressure Line than Street Series ...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 7,664.00
    $ 7,664.00 - $ 7,664.00
    Current price $ 7,664.00
  • Wehrli 11-16 Chevrolet 6.6L LML Duramax CP3 Conversion Kit

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 14,680.00
    $ 14,680.00 - $ 14,680.00
    Current price $ 14,680.00

    Wehrli Model WCF100260Wehrli 11-16 Chevrolet 6.6L LML Duramax CP3 Conversion Kit Black Anodized, CNC Machined Billet CP3 Pump Mounting Plate- Prec...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 14,680.00
    $ 14,680.00 - $ 14,680.00
    Current price $ 14,680.00
  • Wehrli 11-16 Duramax LML Stainless 2in Up Pipe Kit w/ Gaskets

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 13,092.00
    $ 13,092.00 - $ 13,092.00
    Current price $ 13,092.00

    Wehrli Model WCF100197Wehrli 11-16 Duramax LML Stainless 2in Up Pipe Kit w/ Gaskets Fully TIG Welded 11 GA Stainless Steel Construction- Heavy Du...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 13,092.00
    $ 13,092.00 - $ 13,092.00
    Current price $ 13,092.00
  • Wehrli 11-16 Duramax LML Stainless 2in Up Pipe Kit w/ Gaskets (Passenger Side)

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 7,941.00
    $ 7,941.00 - $ 7,941.00
    Current price $ 7,941.00

    Wehrli Model WCF100211Wehrli 11-16 Duramax LML Stainless 2in Up Pipe Kit w/ Gaskets (Passenger Side) Heavy Duty 2" Passenger Side Up Pipe- Fully ...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 7,941.00
    $ 7,941.00 - $ 7,941.00
    Current price $ 7,941.00
  • Wehrli 11-16 Chevrolet 6.6L LML Duramax Upper Coolant Pipe

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 2,955.00
    $ 2,955.00 - $ 2,955.00
    Current price $ 2,955.00

    Wehrli Model WCF100696 Aluminum Upper Coolant Pipe for 2011-2016 LML Duramax replaces the OEM rubber upper coolant hose and comes powder coated col...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 2,955.00
    $ 2,955.00 - $ 2,955.00
    Current price $ 2,955.00
  • Wehrli 11-15 Chevrolet 6.6L LML Duramax 3in Stainless Down Pipe (V-Band Style)

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 4,894.00
    $ 4,894.00 - $ 4,894.00
    Current price $ 4,894.00

    Wehrli Model WCF100704Wehrli 11-15 Chevrolet 6.6L LML Duramax 3in Stainless Down Pipe (V-Band Style) Replace the restrictive crushed factory down p...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 4,894.00
    $ 4,894.00 - $ 4,894.00
    Current price $ 4,894.00
  • Wehrli 11-16 Chevrolet 6.6L LML Duramax OEM Placement Coolant Tank Kit

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 9,030.00
    $ 9,030.00 - $ 9,030.00
    Current price $ 9,030.00

    Wehrli Model WCF100647 Fabricated Aluminum Coolant Tank Kit for 2011-2016 6.6L Duramax Diesel equipped Chevrolet Silverado or GMC Sierra 2500 / 350...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 9,030.00
    $ 9,030.00 - $ 9,030.00
    Current price $ 9,030.00
  • Wehrli 11-16 Chevrolet 6.6L LML Duramax Driver Side 3in Intercooler Pipe

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 5,817.00
    $ 5,817.00 - $ 5,817.00
    Current price $ 5,817.00

    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...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 5,817.00
    $ 5,817.00 - $ 5,817.00
    Current price $ 5,817.00
  • Wehrli 11-16 Chevrolet 6.6L Duramax FASS Fuel System Relocation Bracket (Crew Cab Only)

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 2,069.00
    $ 2,069.00 - $ 2,069.00
    Current price $ 2,069.00

    Wehrli Model WCF100269Wehrli 11-16 Chevrolet 6.6L Duramax FASS Fuel System Relocation Bracket (Crew Cab Only) -Mount Bracket-Zinc primer & Semi...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 2,069.00
    $ 2,069.00 - $ 2,069.00
    Current price $ 2,069.00
  • Wehrli 11-15 Chevrolet 6.6L LML Duramax 3in Down Pipe (V-Band Style)

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 4,340.00
    $ 4,340.00 - $ 4,340.00
    Current price $ 4,340.00

    Wehrli Model WCF100121Wehrli 11-15 Chevrolet 6.6L LML Duramax 3in Down Pipe (V-Band Style) Replace the restrictive crushed factory down pipe with t...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 4,340.00
    $ 4,340.00 - $ 4,340.00
    Current price $ 4,340.00
  • Wehrli 2004.5-05 Chevrolet LLY 6.6L Duramax Passenger Side 3in Intercooler Pipe

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 5,633.00
    $ 5,633.00 - $ 5,633.00
    Current price $ 5,633.00

    Wehrli Model WCF100355 The 3" High Flow Passenger Side Intercooler Pipe for 2004.5-2005 LLY Duramax replaces the 2.5" factory aluminum pipe with a ...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 5,633.00
    $ 5,633.00 - $ 5,633.00
    Current price $ 5,633.00
  • Wehrli 04.5-05 LLY Duramax 4in Intake Kit with Air Box Stage 2

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 15,234.00
    $ 15,234.00 - $ 15,234.00
    Current price $ 15,234.00

    Wehrli Model WCF100301 WCFab 2004.5-2005 GM LLY 6.6L Duramax Stage 2 Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and a...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 15,234.00
    $ 15,234.00 - $ 15,234.00
    Current price $ 15,234.00
  • Wehrli 2004.5-2005 LLY Duramax 4in Intake Kit with Air Box

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 10,064.00
    $ 10,064.00 - $ 10,064.00
    Current price $ 10,064.00

    Wehrli Model WCF100191 WCFab 4" Intake Kit with Air Box for 2004.5-2005 LLY 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 HD ...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 10,064.00
    $ 10,064.00 - $ 10,064.00
    Current price $ 10,064.00
  • Wehrli 06-07 Chevrolet 6.6L Duramax LBZ Stage 3 High Flow Bundle Kit

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 49,949.00
    $ 49,949.00 - $ 49,949.00
    Current price $ 49,949.00

    Wehrli Model WCF100503Wehrli 06-07 Chevrolet 6.6L Duramax LBZ Stage 3 High Flow Bundle Kit

    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 49,949.00
    $ 49,949.00 - $ 49,949.00
    Current price $ 49,949.00
  • Wehrli 06-07 GMC/Chevrolet 6.6L Duramax Stage 1 High Flow Intake Bundle Kit

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 31,004.00
    $ 31,004.00 - $ 31,004.00
    Current price $ 31,004.00

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

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 31,004.00
    $ 31,004.00 - $ 31,004.00
    Current price $ 31,004.00
  • Wehrli 06-10* Duramax LBZ/LMM Thermostat Housing Kit

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 9,030.00
    $ 9,030.00 - $ 9,030.00
    Current price $ 9,030.00

    Wehrli Model WCF100420 The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2006-2010 LBZ/LMM 6.6L Duramax replaces the OEM uppe...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 9,030.00
    $ 9,030.00 - $ 9,030.00
    Current price $ 9,030.00
  • Wehrli 01-04 Chevrolet Duramax LB7 S300/S400 Single Turbo 3in Y-Bridge Kit

    Wehrli
    Original price $ 12,260.00
    Original price $ 12,260.00 - Original price $ 12,260.00
    Original price $ 12,260.00
    Current price $ 11,892.00
    $ 11,892.00 - $ 11,892.00
    Current price $ 11,892.00

    Wehrli Model WCF100615***BRIDGE ASSEMBLY ONLY***3" High Flow Y-Bridge for custom build racing applications only. Bolts to OEM intake runners. 3" Be...

    View full details
    Original price $ 12,260.00
    Original price $ 12,260.00 - Original price $ 12,260.00
    Original price $ 12,260.00
    Current price $ 11,892.00
    $ 11,892.00 - $ 11,892.00
    Current price $ 11,892.00
    Save 3% Save %
  • Wehrli 01-04 Chevrolet Duramax LB7 4in Intake Kit

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 10,064.00
    $ 10,064.00 - $ 10,064.00
    Current price $ 10,064.00

    Wehrli Model WCF100190 WCFab 2001-2004 GM LB7 6.6L Duramax 4" Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and air box ...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 10,064.00
    $ 10,064.00 - $ 10,064.00
    Current price $ 10,064.00
  • Wehrli 01-04 Duramax LB7 4in Intake Kit with Air Box Stage 2

    Wehrli
    Original price $ 12,736.00
    Original price $ 12,736.00 - Original price $ 12,736.00
    Original price $ 12,736.00
    Current price $ 12,354.00
    $ 12,354.00 - $ 12,354.00
    Current price $ 12,354.00

    Wehrli Model WCF100300 This high flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plas...

    View full details
    Original price $ 12,736.00
    Original price $ 12,736.00 - Original price $ 12,736.00
    Original price $ 12,736.00
    Current price $ 12,354.00
    $ 12,354.00 - $ 12,354.00
    Current price $ 12,354.00
    Save 3% Save %
  • Wehrli 01-04 Chevrolet 6.6L LB7 Duramax S400 Twin Turbo Kit (No Turbo)

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 63,798.00
    $ 63,798.00 - $ 63,798.00
    Current price $ 63,798.00

    Wehrli Model WCF1005702001-2004 LB7 Duramax S400/Stock Compound Turbo Kit (NO TURBO). 1000 RWHP capable depending upon turbo and fuel system modifi...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 63,798.00
    $ 63,798.00 - $ 63,798.00
    Current price $ 63,798.00
  • Wehrli 01-04 Chevrolet 6.6L Duramax LB7 2in Stainless Passenger Side Up Pipe w/Gaskets (Twin Turbo)

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 6,371.00
    $ 6,371.00 - $ 6,371.00
    Current price $ 6,371.00

    Wehrli Model WCF100648Wehrli 01-04 Chevrolet 6.6L Duramax LB7 2in Stainless Passenger Side Up Pipe w/Gaskets (Twin Turbo) Replace the lightweight, ...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 6,371.00
    $ 6,371.00 - $ 6,371.00
    Current price $ 6,371.00
  • Wehrli 01-04 Chevrolet 6.6L LB7 Duramax 3in Y-Bridge Kit

    Wehrli
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 17,081.00
    $ 17,081.00 - $ 17,081.00
    Current price $ 17,081.00

    Wehrli Model WCF100693 The only High Flow 3” Complete Y-Bridge kit on the market for your LB7 that is compatible with the factory IHI turbo and aft...

    View full details
    Original price $ 0.00 - Original price $ 0.00
    Original price $ 0.00
    $ 17,081.00
    $ 17,081.00 - $ 17,081.00
    Current price $ 17,081.00

 

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