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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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  • Kryptonite Shock Extension Kit For 2011+ Chevy/GMC HD Trucks

    Kryptonite
    Original price $ 1,537.00 - Original price $ 1,537.00
    Original price
    $ 1,537.00
    $ 1,537.00 - $ 1,537.00
    Current price $ 1,537.00

    Part# KRSE11 Fits: 2011+ Chevy/GMC 2500HD / 3500HD IMPORTANT FITMENT DETAILS: Will NOT fit 2024+ AT4X and ZR2 models equipped with DSSV shocks ...

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    Original price $ 1,537.00 - Original price $ 1,537.00
    Original price
    $ 1,537.00
    $ 1,537.00 - $ 1,537.00
    Current price $ 1,537.00
  • Kryptonite Stage 2 Leveling Kit For 2011–2019 Chevy/GMC 2500HD/3500HD

    Kryptonite
    Original price $ 13,662.00 - Original price $ 13,662.00
    Original price
    $ 13,662.00
    $ 13,662.00 - $ 13,662.00
    Current price $ 13,662.00

    Part#: KR11STAGE2 Fits: 2011–2019 GM HD Trucks 2500 / 3500 KIT INCLUDES: 1 x Kryptonite Upper Control Arm Pair 4 x Control Arm Sleeves 8 x Control...

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    Original price $ 13,662.00 - Original price $ 13,662.00
    Original price
    $ 13,662.00
    $ 13,662.00 - $ 13,662.00
    Current price $ 13,662.00
  • Kryptonite Idler Arm Support For 2011–2025 Chevy/GMC HD Trucks

    Kryptonite
    Original price $ 4,099.00 - Original price $ 4,099.00
    Original price
    $ 4,099.00
    $ 4,099.00 - $ 4,099.00
    Current price $ 4,099.00

    PART# KR280 Fits; 2011–2025 GM HD Trucks 2500 / 3500 DESCRIPTION: This Hard Core Idler Arm Support with roller bearings is the latest and most dur...

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    Original price $ 4,099.00 - Original price $ 4,099.00
    Original price
    $ 4,099.00
    $ 4,099.00 - $ 4,099.00
    Current price $ 4,099.00
  • Kryptonite Idler Arm For 2011–2025 Chevy/GMC HD Trucks

    Kryptonite
    Original price $ 5,123.00 - Original price $ 5,123.00
    Original price
    $ 5,123.00
    $ 5,123.00 - $ 5,123.00
    Current price $ 5,123.00

    PART# 11KDG018 Fits:2011–2025 Chevrolet and GMC 2500HD / 3500 Trucks DETAILS: Housing CNC machined from solid billet steel Heat treated 4140 chrom...

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    Original price $ 5,123.00 - Original price $ 5,123.00
    Original price
    $ 5,123.00
    $ 5,123.00 - $ 5,123.00
    Current price $ 5,123.00
  • Kryptonite Alignment Cam Pins 8-pc Kit For Chevy/GMC Trucks & SUVs

    Kryptonite
    Original price $ 342.00 - Original price $ 342.00
    Original price
    $ 342.00
    $ 342.00 - $ 342.00
    Current price $ 342.00

    Part# KR86325 Fits; 2001–2025 Chevrolet & GMC 1500HD / 2500 / 2500HD / 3500 / 3500HD (2WD & 4WD), 2001–2013 Chevy & GMC 2500 2WD/4WD SU...

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    Original price $ 342.00 - Original price $ 342.00
    Original price
    $ 342.00
    $ 342.00 - $ 342.00
    Current price $ 342.00
  • Kryptonite Ss Series Center Link Upgrade Kit For 2001–2010 Chevy/GMC 1500HD/2500HD/3500HD & 2002–2009 Hummer H2

    Kryptonite
    Original price $ 10,246.00 - Original price $ 10,246.00
    Original price
    $ 10,246.00
    $ 10,246.00 - $ 10,246.00
    Current price $ 10,246.00

    Fits: 2001–2010 Chevrolet / GMC 2500HD & 3500HD Important Fitment Info: This SS Series Centerlink upgrade is designed for trucks currently runn...

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    Original price $ 10,246.00 - Original price $ 10,246.00
    Original price
    $ 10,246.00
    $ 10,246.00 - $ 10,246.00
    Current price $ 10,246.00
  • Kryptonite Solid Steel Tie Rod Sleeves Zinc Plated For 2001–2010 Chevy/GMC HD Trucks

    Kryptonite
    Original price $ 598.00 - Original price $ 598.00
    Original price
    $ 598.00
    $ 598.00 - $ 598.00
    Current price $ 598.00

    Fits; 2001–2010 Chevrolet & GMC 1500HD / 2500 / 2500HD / 3500 / 3500HD, 2001–2013 Chevrolet Suburban 2500 / GMC Yukon XL 2500, 2003–2009 Hummer...

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    Original price $ 598.00 - Original price $ 598.00
    Original price
    $ 598.00
    $ 598.00 - $ 598.00
    Current price $ 598.00
  • Kryptonite Upper And Lower Ball Joint Package Deal For Aftermarket Control Arms For 2001–2010 Chevy/GMC HD Trucks & Hummer H2

    Kryptonite
    Original price $ 3,416.00 - Original price $ 3,416.00
    Original price
    $ 3,416.00
    $ 3,416.00 - $ 3,416.00
    Current price $ 3,416.00

    Fits: 2001–2010 Chevy/GMC 1500HD, 2500HD, 3500HD, 2002–2009 Hummer H2 (8 Lug Trucks Only) Important Fitment Info: This package is designed for truc...

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    Original price $ 3,416.00 - Original price $ 3,416.00
    Original price
    $ 3,416.00
    $ 3,416.00 - $ 3,416.00
    Current price $ 3,416.00
  • Kryptonite Idler Support Frame Gusset For 2001–2010 Chevy/GMC 1500HD/2500HD/3500 Trucks

    Kryptonite
    Original price $ 1,537.00 - Original price $ 1,537.00
    Original price
    $ 1,537.00
    $ 1,537.00 - $ 1,537.00
    Current price $ 1,537.00

    Fits; 2001–2010 Chevy/GMC 2500HD / 3500HD Part# KRGUSSET10 Features: 1/4" Plate Steel Made in the USA DescriptionEngineered exclusively for the e...

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    Original price $ 1,537.00 - Original price $ 1,537.00
    Original price
    $ 1,537.00
    $ 1,537.00 - $ 1,537.00
    Current price $ 1,537.00
  • XDP Custom Fender Cover XD372

    XDP
    Original price $ 449.00 - Original price $ 449.00
    Original price
    $ 449.00
    $ 449.00 - $ 449.00
    Current price $ 449.00

    XDP Model XD372 The XDP Custom Fender Cover XD372 offers the ultimate in paint protection when wrenching on your truck. Manufactured from a high-q...

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    Original price $ 449.00 - Original price $ 449.00
    Original price
    $ 449.00
    $ 449.00 - $ 449.00
    Current price $ 449.00
  • XDP Billet Coolant Block-Off Plate XD344

    XDP
    Original price $ 1,168.00 - Original price $ 1,168.00
    Original price
    $ 1,168.00
    $ 1,168.00 - $ 1,168.00
    Current price $ 1,168.00

    XDP Model XD344Put the XDP Billet Coolant Block-Off Plate XD344 in your 2001-2017 GM 6.6L Duramax to permanently eliminate coolant leaks from the r...

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    Original price $ 1,168.00 - Original price $ 1,168.00
    Original price
    $ 1,168.00
    $ 1,168.00 - $ 1,168.00
    Current price $ 1,168.00
  • Smeding Diesel S300 Direct Bolt In Turbo 2011-16 LML Duramax

    Smeding
    Original price $ 39,456.00 - Original price $ 449,382.00
    Original price
    $ 39,456.00
    $ 39,456.00 - $ 449,382.00
    Current price $ 39,456.00

    Smeding Diesel LML Duramax S300 Direct Bolt In Turbocharger This turbo utilizes our S300 frame NON VGT Turbochargers and is setup to bolt in with ...

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    Original price $ 39,456.00 - Original price $ 449,382.00
    Original price
    $ 39,456.00
    $ 39,456.00 - $ 449,382.00
    Current price $ 39,456.00
  • KC Billet Compressor Wheel - 6.6 DURAMAX (LLY)

    Kc Turbo
    Original price $ 3,416.00 - Original price $ 3,416.00
    Original price
    $ 3,416.00
    $ 3,416.00 - $ 3,416.00
    Current price $ 3,416.00

    Faster Spool Lower EGTS Better top end performance Stronger Material DIY Products Are NOT Covered Under Warranty Description: Our drop in GT...

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    Original price $ 3,416.00 - Original price $ 3,416.00
    Original price
    $ 3,416.00
    $ 3,416.00 - $ 3,416.00
    Current price $ 3,416.00
  • KC Balanced Assembly DIY Turbo kit - 6.6 DURAMAX LBZ/LLY

    Kc Turbo
    Original price $ 8,089.00 - Original price $ 8,089.00
    Original price
    $ 8,089.00
    $ 8,089.00 - $ 8,089.00
    Current price $ 8,089.00

    KC Balanced Assembly Features & Details: Drop In ready Balanced and ready to install Upgraded 360 thrust bearing Increases ai...

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    Original price $ 8,089.00 - Original price $ 8,089.00
    Original price
    $ 8,089.00
    $ 8,089.00 - $ 8,089.00
    Current price $ 8,089.00
  • S&B Filters 75-5080 Cold Air Intake for 2006-2007 Chevy / GMC Duramax LLY-LBZ 6.6L

    S&B
    Original price $ 6,813.00 - Original price $ 6,813.00
    Original price
    $ 6,813.00
    $ 6,813.00 - $ 6,813.00
    Current price $ 6,813.00

    S&B Model 75-5080 - Choose Filter optionThe S&B Filters 75-5080 Cold Air Intake with Cleanable Filter is a completely redesigned version of...

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    Original price $ 6,813.00 - Original price $ 6,813.00
    Original price
    $ 6,813.00
    $ 6,813.00 - $ 6,813.00
    Current price $ 6,813.00
  • XDP X-tra Cool Direct-fit Transmission Oil Cooler XD310

    XDP
    Original price $ 4,655.00 - Original price $ 4,655.00
    Original price
    $ 4,655.00
    $ 4,655.00 - $ 4,655.00
    Current price $ 4,655.00

    XDP Model XD310Upgrade the factory transmission cooler in your 2006-2010 GM 6.6L Duramax LBZ/LMM with the XDP X-TRA Cool Direct-Fit Transmission Oi...

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    Original price $ 4,655.00 - Original price $ 4,655.00
    Original price
    $ 4,655.00
    $ 4,655.00 - $ 4,655.00
    Current price $ 4,655.00
  • Smeding Diesel Billet S472 T4 Turbocharger

    Smeding
    Original price $ 25,076.00 - Original price $ 31,996.00
    Original price
    $ 25,076.00
    $ 25,076.00 - $ 31,996.00
    Current price $ 25,076.00

    s472 turbocharger smeding diesel

    Original price $ 25,076.00 - Original price $ 31,996.00
    Original price
    $ 25,076.00
    $ 25,076.00 - $ 31,996.00
    Current price $ 25,076.00
  • Smeding Diesel S475 T4 Turbocharger

    Smeding
    Original price $ 20,672.00 - Original price $ 31,996.00
    Original price
    $ 20,672.00
    $ 20,672.00 - $ 31,996.00
    Current price $ 20,672.00

    S475 t4 Turbocharger

    Original price $ 20,672.00 - Original price $ 31,996.00
    Original price
    $ 20,672.00
    $ 20,672.00 - $ 31,996.00
    Current price $ 20,672.00
  • Smeding Diesel S366 SXE Turbocharger

    Smeding
    Original price $ 13,122.00 - Original price $ 22,739.00
    Original price
    $ 13,122.00
    $ 13,122.00 - $ 22,739.00
    Current price $ 13,122.00

    Smeding Diesel S366 SXE Turbocharger

    Original price $ 13,122.00 - Original price $ 22,739.00
    Original price
    $ 13,122.00
    $ 13,122.00 - $ 22,739.00
    Current price $ 13,122.00
  • Smeding Diesel S362 SXE Turbocharger

    Smeding
    Original price $ 13,122.00 - Original price $ 20,492.00
    Original price
    $ 13,122.00
    $ 13,122.00 - $ 20,492.00
    Current price $ 13,122.00

    s362 sxe turbocharger

    Original price $ 13,122.00 - Original price $ 20,492.00
    Original price
    $ 13,122.00
    $ 13,122.00 - $ 20,492.00
    Current price $ 13,122.00
  • T4 GASKET

    Smeding
    Original price $ 288.00 - Original price $ 288.00
    Original price
    $ 288.00
    $ 288.00 - $ 288.00
    Current price $ 288.00

    Original price $ 288.00 - Original price $ 288.00
    Original price
    $ 288.00
    $ 288.00 - $ 288.00
    Current price $ 288.00
  • Cold Air Intake for 2017-2019 Silverado / Sierra Duramax L5P 6.6L

    S&B
    Original price $ 6,813.00 - Original price $ 6,813.00
    Original price
    $ 6,813.00
    $ 6,813.00 - $ 6,813.00
    Current price $ 6,813.00

    S&B Model 75-5144 Choose Filter Type Maximum Performance Our cold air intake for the 2017-2019 Silverado / Sierra Duramax 6.6L was enginee...

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    Original price $ 6,813.00 - Original price $ 6,813.00
    Original price
    $ 6,813.00
    $ 6,813.00 - $ 6,813.00
    Current price $ 6,813.00
  • XDP Direct Replacement High Output 220 Amp Alternator XD224

    XDP
    Original price $ 5,392.00 - Original price $ 5,392.00
    Original price
    $ 5,392.00
    $ 5,392.00 - $ 5,392.00
    Current price $ 5,392.00

    XDP Model XD224Don't just replace the failing alternator in your 2001-2007 GM 6.6L Duramax, upgrade it with the XDP Direct Replacement High Output ...

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    Original price $ 5,392.00 - Original price $ 5,392.00
    Original price
    $ 5,392.00
    $ 5,392.00 - $ 5,392.00
    Current price $ 5,392.00
  • XDP Duramax Wif Sensor Delete Plug XD137

    XDP
    Original price $ 539.00 - Original price $ 539.00
    Original price
    $ 539.00
    $ 539.00 - $ 539.00
    Current price $ 539.00

    XDP Model XD137The XDP WIF Sensor delete plug XD137 is a quick and simple solution to ending all the issues caused by the factory Water In Fuel (WI...

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    Original price $ 539.00 - Original price $ 539.00
    Original price
    $ 539.00
    $ 539.00 - $ 539.00
    Current price $ 539.00

 

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