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

    Fleece Performance 01-05 GM Duramax 6.6L LB7/LLY Allison Transmission Cooler Lines

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $385.00
    $385.00 - $385.00
    $385.00

    Fleece Performance Model FPE-TL-LB7-LLY Replace your leaking transmission lines with our heavy duty, high flow, flexible transmission lines. Our ki...

    View full details
    $0.00 - $0.00
    $0.00
    $385.00
    $385.00 - $385.00
    $385.00
  • responsive-image responsive-image

    Exergy 11-16 Chevrolet Duramax 6.6L LML Improved Stock CP4.2 Pump

    Exergy
    $2,358.00 - $2,358.00
    $2,358.00
    $2,358.00 - $2,358.00
    $2,358.00

    Exergy Model E04 10504 Exergy Performance 2011-2016 LML Duramax Improved Stock CP4.2 Pump with upgraded heavy duty FPRV Screen This Improved Stock...

    View full details
    $2,358.00 - $2,358.00
    $2,358.00
    $2,358.00 - $2,358.00
    $2,358.00
  • responsive-image responsive-image

    Exergy 06-10 Chevrolet Duramax 6.6L LBZ/LMM Inlet Metering Valve (MPROP)

    Exergy
    $270.00 - $270.00
    $270.00
    $270.00 - $270.00
    $270.00

    Exergy Model E05 10305Exergy 06-10 Chevrolet Duramax 6.6L LBZ/LMM Inlet Metering Valve (MPROP) Do you have an engine lope at idle or surging while ...

    View full details
    $270.00 - $270.00
    $270.00
    $270.00 - $270.00
    $270.00
  • responsive-image responsive-image

    Exergy 04.5-10 Chevrolet Duramax 6.6L LLY/LBZ/LMM Injector Leak Rail Retaining Clip - Set of 8

    Exergy
    $92.00 - $92.00
    $92.00
    $92.00 - $92.00
    $92.00

    Exergy 04.5-10 Chevy Duramax LLY/LBZ/LMM Injector Leak Rail Retaining Clip (Set of 8)

    $92.00 - $92.00
    $92.00
    $92.00 - $92.00
    $92.00
  • responsive-image responsive-image

    Exergy 04.5-10 Chevrolet Duramax 6.6L LLY/LBZ/LMM Seal Kit (O-Ring & Copper Gasket) - Set of 8

    Exergy
    $86.00 - $86.00
    $86.00
    $86.00 - $86.00
    $86.00

    Exergy 04.5-10 Chevy Duramax LLY/LBZ/LMM Seal Kit (O-Ring & Copper Gasket) (Set of 8)

    $86.00 - $86.00
    $86.00
    $86.00 - $86.00
    $86.00
  • responsive-image responsive-image Save 10% Save %

    Banks Power Racing Exhaust Manifold 01-16 Duramax LBZ-LML Race Ported (Hardware Not Included)

    Banks Power
    $1,151.00
    $1,151.00 - $1,151.00
    $1,151.00
    $1,036.00
    $1,036.00 - $1,036.00
    $1,036.00

    If you are a racer and have an LBZ-LML 6.6L Duramax, Gale Banks Engineering offers The best cast Duramax manifold ever. Lay the power down with Ban...

    View full details
    $1,151.00
    $1,151.00 - $1,151.00
    $1,151.00
    $1,036.00
    $1,036.00 - $1,036.00
    $1,036.00
    Save 10% Save %
  • responsive-image responsive-image

    ARP Duramax 6.6L LBZ/LLY/LML/LMM 12pt Valve Cover Bolt Kit

    ARP
    $299.00 - $299.00
    $299.00
    $299.00 - $299.00
    $299.00

    ARP Model 400-7533ARP Duramax 6.6L LBZ/LLY/LML/LMM 12pt Valve Cover Bolt Kit

    $299.00 - $299.00
    $299.00
    $299.00 - $299.00
    $299.00
  • responsive-image responsive-image

    ARP Duramax 6.6L LBZ/LLY/LML/LMM Hex Valve Cover Bolt Kit - Polished Stainless Steel

    ARP
    $266.00 - $266.00
    $266.00
    $266.00 - $266.00
    $266.00

    ARP Model 400-7534ARP Duramax 6.6L LBZ/LLY/LML/LMM Hex Valve Cover Bolt Kit - Polished Stainless Steel

    $266.00 - $266.00
    $266.00
    $266.00 - $266.00
    $266.00
  • responsive-image responsive-image

    ARP Duramax 6.6L LBZ/LLY/LML/LMM 12pt Valve Cover Bolt Kit

    ARP
    $212.00 - $212.00
    $212.00
    $212.00 - $212.00
    $212.00

    ARP Model 100-7533ARP Duramax 6.6L LBZ/LLY/LML/LMM 12pt Valve Cover Bolt Kit

    $212.00 - $212.00
    $212.00
    $212.00 - $212.00
    $212.00
  • responsive-image responsive-image Save 1% Save %

    South Bend Clutch 92-01 GM 6.5L Solid Flywheel (for 6.5L SBC Clutch Kits)

    South Bend Clutch
    $592.00
    $592.00 - $592.00
    $592.00
    $589.00
    $589.00 - $589.00
    $589.00

    South Bend Clutch Model 167126South Bend Clutch 92-01 GM 6.5L Solid Flywheel (for 6.5L SBC Clutch Kits)This Part Fits: Year Make Model Submode...

    View full details
    $592.00
    $592.00 - $592.00
    $592.00
    $589.00
    $589.00 - $589.00
    $589.00
    Save 1% Save %
  • responsive-image responsive-image

    Yukon Gear Hardcore Diff Cover for 8.5inch GM Rear w/ 5/16inch Cover Bolts

    Yukon Gear & Axle
    $340.00 - $340.00
    $340.00
    $340.00 - $340.00
    $340.00

    Yukon Hardcore Diff Covers are constructed from thick-walled, high-strength nodular steel to protect lockers, gears and axles from the most extreme...

    View full details
    $340.00 - $340.00
    $340.00
    $340.00 - $340.00
    $340.00
  • responsive-image responsive-image

    Yukon Dana 60 4.56 & Up Dura Grip Positraction Narrow 32 Spline ABS Compatible

    Yukon Gear & Axle
    $1,363.00 - $1,363.00
    $1,363.00
    $1,363.00 - $1,363.00
    $1,363.00

    Yukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction, giving you the confidence and performance...

    View full details
    $1,363.00 - $1,363.00
    $1,363.00
    $1,363.00 - $1,363.00
    $1,363.00
  • responsive-image responsive-image Save 8% Save %

    Eaton Detroit Locker Differential 35 Spline 1.50in Axle Shaft Diameter 4.10 & Up Ratio Rear Dana 80

    Eaton
    $1,932.00
    $1,932.00 - $1,932.00
    $1,932.00
    $1,778.00
    $1,778.00 - $1,778.00
    $1,778.00

    The Detroit Locker is a 100% automatic locking differential that provides ultimate traction for mild to extreme vehicle applications. Its unique, b...

    View full details
    $1,932.00
    $1,932.00 - $1,932.00
    $1,932.00
    $1,778.00
    $1,778.00 - $1,778.00
    $1,778.00
    Save 8% Save %
  • responsive-image responsive-image Save 10% Save %

    Banks Power 01 Chevy 6.6L LB7 Techni-Cooler System

    Banks Power
    $2,332.00
    $2,332.00 - $2,332.00
    $2,332.00
    $2,099.00
    $2,099.00 - $2,099.00
    $2,099.00

    Optimizes the boosted air density for higher continuous power and lower exhaust gas temps. Lowers restrictions for superior flow with 25% larger co...

    View full details
    $2,332.00
    $2,332.00 - $2,332.00
    $2,332.00
    $2,099.00
    $2,099.00 - $2,099.00
    $2,099.00
    Save 10% Save %
  • responsive-image responsive-image

    aFe BladeRunner 3in Black Intercooler Cold Side Charge Pipe 01 GM Diesel Trucks 6.6L V8 (td)

    aFe
    $381.00 - $381.00
    $381.00
    $381.00 - $381.00
    $381.00

    Perfect Fit:This tube kit includes high quality, stainless steel, spring loaded T-bolt clamps and heavy-duty, 5-ply polyester reinforced silicone c...

    View full details
    $381.00 - $381.00
    $381.00
    $381.00 - $381.00
    $381.00
  • responsive-image responsive-image

    WeatherTech 01-02* LB7 Chevy Silverado Hood Protector - Black

    WeatherTech
    $149.00 - $149.00
    $149.00
    $149.00 - $149.00
    $149.00

    The Hood Protector is a custom-fit bug and debris shield that helps preserve and maintain paint finishes. Features a sleek and low profile made fro...

    View full details
    $149.00 - $149.00
    $149.00
    $149.00 - $149.00
    $149.00
  • responsive-image responsive-image

    Yukon Gear Axle Bearing & Seal Kit For GM 9.5in

    Yukon Gear & Axle
    $143.00 - $143.00
    $143.00
    $143.00 - $143.00
    $143.00

    Yukon axle bearing and seal kits are specially designed for each application and use high-quality bearings and seals.Installation InstructionsInsta...

    View full details
    $143.00 - $143.00
    $143.00
    $143.00 - $143.00
    $143.00
  • responsive-image responsive-image Save 9% Save %

    Mishimoto 01-04 Chevrolet/GMC 6.6L Duramax Turbo Blanket

    Mishimoto
    $356.00
    $356.00 - $356.00
    $356.00
    $323.00
    $323.00 - $323.00
    $323.00

    Help reduce the heat in your 2001-2004 Chevrolet/GMC 6.6L Duramax engine bay with this Mishimoto turbo blanket. One of the main drawbacks to a turb...

    View full details
    $356.00
    $356.00 - $356.00
    $356.00
    $323.00
    $323.00 - $323.00
    $323.00
    Save 9% Save %
  • responsive-image responsive-image Save 10% Save %

    Banks Power 01-04 Chevy 6.6L Big Head Actuator Kit

    Banks Power
    $362.00
    $362.00 - $362.00
    $362.00
    $326.00
    $326.00 - $326.00
    $326.00

    Under high-boost conditions, the stock actuator's weak spring allows the wastegate to blow open, limiting midrange torque. Bleed orifices (also kno...

    View full details
    $362.00
    $362.00 - $362.00
    $362.00
    $326.00
    $326.00 - $326.00
    $326.00
    Save 10% Save %
  • responsive-image responsive-image

    aFe Power BladeRunner Turbocharger Street Series 01-04 GM Diesel Trucks V8-6.6L (td) LB7

    aFe
    $2,292.00 - $2,292.00
    $2,292.00
    $2,292.00 - $2,292.00
    $2,292.00

    Advanced Flow Engineering, Inc. (aFe) produces high flow, high performance air filters & intake systems for the automotive industry. Founded in...

    View full details
    $2,292.00 - $2,292.00
    $2,292.00
    $2,292.00 - $2,292.00
    $2,292.00
  • responsive-image responsive-image

    aFe MACHForce XP Exhausts Cat-Back SS-409 EXH CB GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY

    aFe
    $1,212.00 - $1,212.00
    $1,212.00
    $1,212.00 - $1,212.00
    $1,212.00

    The new MACH Force XP exhaust is engineered to perform in the most extreme environments. This system is constructed from mandrel bent 4 in. 409 sta...

    View full details
    $1,212.00 - $1,212.00
    $1,212.00
    $1,212.00 - $1,212.00
    $1,212.00
  • responsive-image responsive-image

    aFe LARGE Bore HD Exhausts Cat-Back SS-409 EXH CB GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY

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

    The Large Bore HD Performance Cat-Back exhaust features 4" 409 stainless steel tubing with smooth curves and increased size to help remove restrict...

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

    aFe ATLAS Turbo Down-Pipe 3" Steel 2001-2004 6.6L Duramax Diesel

    aFe
    $390.00 - $390.00
    $390.00
    $390.00 - $390.00
    $390.00

    Optimize your 01-04 LB7 GM diesel's airflow to improve throttle response with aFe's ATLAS 3" turbo down-pipe.Constructed from 3" mandrel bent steel...

    View full details
    $390.00 - $390.00
    $390.00
    $390.00 - $390.00
    $390.00
  • responsive-image responsive-image

    aFe Bladerunner Manifolds Turbo Inlet MAN Turbo Inlet GM Diesel Trucks 04.5-05 V8-6.6L (td)

    aFe
    $630.00 - $630.00
    $630.00
    $630.00 - $630.00
    $630.00

    The aFe Bladerunner Turbo Inlet Manifold increases performance to your Duramax by 23hp and 57lbs x ft. torque while increasing air flow 73-percent...

    View full details
    $630.00 - $630.00
    $630.00
    $630.00 - $630.00
    $630.00

 

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