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 Save 3% Save %

    GM Extrude Honed Injection Nozzle For 2004.5-05 6.6L LLY Duramax 25 LPM Industrial Injection

    Industrial Injection
    $169.00
    $169.00 - $169.00
    $169.00
    $164.00
    $164.00 - $164.00
    $164.00

    Industrial Injection Model: 0433171860-R1The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

    View full details
    $169.00
    $169.00 - $169.00
    $169.00
    $164.00
    $164.00 - $164.00
    $164.00
    Save 3% Save %
  • responsive-image responsive-image Save 3% Save %

    GM Extrude Honed Dragonfly Injection Nozzle For 06-07 6.6L LBZ Duramax 23 LPM Industrial Injection

    Industrial Injection
    $270.00
    $270.00 - $270.00
    $270.00
    $262.00
    $262.00 - $262.00
    $262.00

    Industrial Injection Model: 0433171924DFLYThe Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out...

    View full details
    $270.00
    $270.00 - $270.00
    $270.00
    $262.00
    $262.00 - $262.00
    $262.00
    Save 3% Save %
  • responsive-image responsive-image Save 3% Save %

    GM Extrude Honed Injection Nozzle For 06-07 6.6L LBZ Duramax 40 LPM Industrial Injection

    Industrial Injection
    $230.00
    $230.00 - $230.00
    $230.00
    $224.00
    $224.00 - $224.00
    $224.00

    Industrial Injection Model: 0433171924-R6The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

    View full details
    $230.00
    $230.00 - $230.00
    $230.00
    $224.00
    $224.00 - $224.00
    $224.00
    Save 3% Save %
  • responsive-image responsive-image Save 3% Save %

    GM Extrude Honed Injection Nozzle For 06-07 6.6L LBZ Duramax 35 LPM Industrial Injection

    Industrial Injection
    $230.00
    $230.00 - $230.00
    $230.00
    $224.00
    $224.00 - $224.00
    $224.00

    Industrial Injection Model: 0433171924-R5The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

    View full details
    $230.00
    $230.00 - $230.00
    $230.00
    $224.00
    $224.00 - $224.00
    $224.00
    Save 3% Save %
  • responsive-image responsive-image Save 3% Save %

    GM Extrude Honed Injection Nozzle For 06-07 6.6L LBZ Duramax 30 LPM Industrial Injection

    Industrial Injection
    $230.00
    $230.00 - $230.00
    $230.00
    $224.00
    $224.00 - $224.00
    $224.00

    Industrial Injection Model: 0433171924-R4The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

    View full details
    $230.00
    $230.00 - $230.00
    $230.00
    $224.00
    $224.00 - $224.00
    $224.00
    Save 3% Save %
  • responsive-image responsive-image Save 3% Save %

    GM Extrude Honed Injection Nozzle For 06-07 6.6L LBZ Duramax 38 LPM Industrial Injection

    Industrial Injection
    $228.00
    $228.00 - $228.00
    $228.00
    $221.00
    $221.00 - $221.00
    $221.00

    Industrial Injection Model: 0433171924-R3The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

    View full details
    $228.00
    $228.00 - $228.00
    $228.00
    $221.00
    $221.00 - $221.00
    $221.00
    Save 3% Save %
  • responsive-image responsive-image Save 3% Save %

    GM Extrude Honed Injection Nozzle For 06-07 6.6L LBZ Duramax 26 LPM Industrial Injection

    Industrial Injection
    $198.00
    $198.00 - $198.00
    $198.00
    $192.00
    $192.00 - $192.00
    $192.00

    Industrial Injection Model: 0433171924-R2The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

    View full details
    $198.00
    $198.00 - $198.00
    $198.00
    $192.00
    $192.00 - $192.00
    $192.00
    Save 3% Save %
  • responsive-image responsive-image Save 3% Save %

    GM Extrude Honed Injection Nozzle For 06-07 6.6L LBZ Duramax 24 LPM Industrial Injection

    Industrial Injection
    $198.00
    $198.00 - $198.00
    $198.00
    $192.00
    $192.00 - $192.00
    $192.00

    Industrial Injection Model: 0433171924-R1The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

    View full details
    $198.00
    $198.00 - $198.00
    $198.00
    $192.00
    $192.00 - $192.00
    $192.00
    Save 3% Save %
  • responsive-image responsive-image Save 2% Save %

    GM Extrude Honed injection Nozzle for 01-04 LB7 6.6L Duramax 26 LPM Industrial Injection

    Industrial Injection
    $123.00
    $123.00 - $123.00
    $123.00
    $120.00
    $120.00 - $120.00
    $120.00

    Industrial Injection Model: 0433175275-R1The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

    View full details
    $123.00
    $123.00 - $123.00
    $123.00
    $120.00
    $120.00 - $120.00
    $120.00
    Save 2% Save %
  • responsive-image responsive-image

    Wehrli 11-14 GM 2500/3500 HD Bumper Spacer Kit - 3/4in

    Wehrli
    $0.00 - $0.00
    $0.00
    $285.00
    $285.00 - $285.00
    $285.00

    Wehrli Model WCF100404Wehrli 11-14 GM 2500/3500 HD Bumper Spacer Kit - 3/4in WCFab 3/4" Front Bumper Spacer Kit for 2011-2014 Chevy 2500/3500 HD Tr...

    View full details
    $0.00 - $0.00
    $0.00
    $285.00
    $285.00 - $285.00
    $285.00
  • responsive-image responsive-image

    BD Diesel Driver Side Exhaust Manifold - 02-13 Chevy Silverado 1500 & GMC Sierra 1500 V8

    BD Diesel
    $358.00 - $358.00
    $358.00
    $445.00
    $445.00 - $445.00
    $445.00

    Experience unparalleled performance and durability with our enhanced GMC/Chevrolet truck exhaust manifolds, specifically designed for LS engines. O...

    View full details
    $358.00 - $358.00
    $358.00
    $445.00
    $445.00 - $445.00
    $445.00
  • responsive-image responsive-image

    BD Diesel Passenger Side Exhaust Manifold - 02-13 Chevy Silverado 1500 & GMC Sierra 1500 V8

    BD Diesel
    $358.00 - $358.00
    $358.00
    $445.00
    $445.00 - $445.00
    $445.00

    Experience unparalleled performance and durability with our enhanced GMC/Chevrolet truck exhaust manifolds, specifically designed for LS engines. O...

    View full details
    $358.00 - $358.00
    $358.00
    $445.00
    $445.00 - $445.00
    $445.00
  • responsive-image responsive-image

    BD Diesel Exhaust Manifold Kit - 02-13 Chevy Silverado 1500 & GMC Sierra 1500 V8

    BD Diesel
    $662.00 - $662.00
    $662.00
    $820.00
    $820.00 - $820.00
    $820.00

    Experience unparalleled performance and durability with our enhanced GMC/Chevrolet truck exhaust manifolds, specifically designed for LS engines. O...

    View full details
    $662.00 - $662.00
    $662.00
    $820.00
    $820.00 - $820.00
    $820.00
  • responsive-image responsive-image

    aFe BladeRunner 3in/3-1/2in Black Intercooler Tubes Hot/Cold 2017 GM Diesel Trucks V8 6.6L (td) L5P

    aFe
    $986.00 - $986.00
    $986.00
    $986.00 - $986.00
    $986.00

    This BladeRunner intercooler tube kit delivers more flow and is more robust to handle higher horsepower and boost than the factory intercooler tube...

    View full details
    $986.00 - $986.00
    $986.00
    $986.00 - $986.00
    $986.00
  • responsive-image responsive-image

    Flex-Fit Floor Mats | Front | Bucket | Chevy/GMC 1500/2500HD/3500HD (19-24)

    Rough Country
    $129.00 - $129.00
    $129.00
    $129.00 - $129.00
    $129.00

    Introducing Flex-Fit floor mats the ultimate enhancement for your truck's interior and built tough to handle any challenge. Crafted from premium ru...

    View full details
    $129.00 - $129.00
    $129.00
    $129.00 - $129.00
    $129.00
  • responsive-image responsive-image Save 10% Save %

    Banks Power 11-16 Chevrolet 2500/3500 (Excl 2016) 6.6L Diesel 5in SS Monster Exhaust w/ Chrome Tip

    Banks Power
    $951.00
    $951.00 - $951.00
    $951.00
    $856.00
    $856.00 - $856.00
    $856.00

    5-inch aluminized steel constant-diameter DPF-back system. Patented negative backpressure SideKick tip helps lower exhaust exit temps by 15 percent...

    View full details
    $951.00
    $951.00 - $951.00
    $951.00
    $856.00
    $856.00 - $856.00
    $856.00
    Save 10% Save %
  • responsive-image responsive-image Save 10% Save %

    Banks Power 11-15 Chevrolet Silverado 6.6L LML 5in Monster Exhaust w/ SideKick S/S Black Tip

    Banks Power
    $951.00
    $951.00 - $951.00
    $951.00
    $856.00
    $856.00 - $856.00
    $856.00

    5-inch aluminized steel constant-diameter DPF-back system. Patented negative backpressure SideKick tip helps lower exhaust exit temps by 15 percent...

    View full details
    $951.00
    $951.00 - $951.00
    $951.00
    $856.00
    $856.00 - $856.00
    $856.00
    Save 10% Save %
  • responsive-image responsive-image Save 10% Save %

    Banks Power 07-14 Silverado/Duramax/Avalanche W/O Speaker Full Pillar Mount - 1 Gauge

    Banks Power
    $189.00
    $189.00 - $189.00
    $189.00
    $170.00
    $170.00 - $170.00
    $170.00

    Mounts on A-pillar allowing wires and tubes to be cleanly routed for a finished look. Gauges sold separately, or included with some Banks power sys...

    View full details
    $189.00
    $189.00 - $189.00
    $189.00
    $170.00
    $170.00 - $170.00
    $170.00
    Save 10% Save %
  • responsive-image responsive-image Save 10% Save %

    Banks Power 2022+ GM - iDash Stealth Dual Gauge Pod Kit

    Banks Power
    $205.00
    $205.00 - $205.00
    $205.00
    $185.00
    $185.00 - $185.00
    $185.00

    iDash Stealth Pods are direct-fit gauge mounts that affix to your late 2022+ GM 1500's and 2024+ 2500/3500 factory A-pillar grab handle while con...

    View full details
    $205.00
    $205.00 - $205.00
    $205.00
    $185.00
    $185.00 - $185.00
    $185.00
    Save 10% Save %
  • responsive-image responsive-image Save 10% Save %

    Banks Power 2020 GM 2500/3500 6.6L L5P Boost Tube Upgrade Kit - Red

    Banks Power
    $1,108.00
    $1,108.00 - $1,108.00
    $1,108.00
    $998.00
    $998.00 - $998.00
    $998.00

    Banks massive 3.5 inch boost tubes are the largest on the market, flowing 26-45 percent more air than stock! Smooth mandrel-bent tubes deliver more...

    View full details
    $1,108.00
    $1,108.00 - $1,108.00
    $1,108.00
    $998.00
    $998.00 - $998.00
    $998.00
    Save 10% Save %
  • responsive-image responsive-image Save 10% Save %

    Banks Power 20-22 Chevy/GMC 2500/3500 L5P 6.6L Ram-Air Intake System

    Banks Power
    $786.00
    $786.00 - $786.00
    $786.00
    $708.00
    $708.00 - $708.00
    $708.00

    A groundbreaking cold air intake featuring the patented Banks Air Mass Control Module. The electronic device allows our engineers to use the Banks ...

    View full details
    $786.00
    $786.00 - $786.00
    $786.00
    $708.00
    $708.00 - $708.00
    $708.00
    Save 10% Save %
  • responsive-image responsive-image Save 10% Save %

    Banks Power 20-23 Chevy/GMC Duramax DRW Crew Cab 5.0in Monster Exhaust w/ Black Tip

    Banks Power
    $1,029.00
    $1,029.00 - $1,029.00
    $1,029.00
    $926.00
    $926.00 - $926.00
    $926.00

    Banks 5 inch aluminized steel constant-diameter DPF-back exhaust system with patented negative-backpressure SideKick tip. Improves throttle respon...

    View full details
    $1,029.00
    $1,029.00 - $1,029.00
    $1,029.00
    $926.00
    $926.00 - $926.00
    $926.00
    Save 10% Save %
  • responsive-image responsive-image Save 10% Save %

    Banks Power 19-21 Chevy/GMC 1500 / 20-23 Chevy/GMC 2500/3500 - iDash Stealth Dual Pod Mount 52mm

    Banks Power
    $205.00
    $205.00 - $205.00
    $205.00
    $185.00
    $185.00 - $185.00
    $185.00

    iDash Stealth Pods are direct-fit gauge mounts that affix to your 2019-2021 1500, 2020-2023 GM 2500/3500 or 2024 2500/3500 Work Truck factory A-pil...

    View full details
    $205.00
    $205.00 - $205.00
    $205.00
    $185.00
    $185.00 - $185.00
    $185.00
    Save 10% Save %
  • responsive-image responsive-image Save 10% Save %

    Banks Power 19-21 Chevy/GMC 1500 20-22 Chevy/GMC 2500/3500 iDash Stealth Pod Mount - Single Gauge

    Banks Power
    $173.00
    $173.00 - $173.00
    $173.00
    $156.00
    $156.00 - $156.00
    $156.00

    iDash Stealth Pods are direct-fit gauge mounts that affix to your 2019-2021 1500, 2020-2023 GM 2500/3500 or 2024 2500/3500 Work Truck factory A-pil...

    View full details
    $173.00
    $173.00 - $173.00
    $173.00
    $156.00
    $156.00 - $156.00
    $156.00
    Save 10% 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