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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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    Fleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Medium Line

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $99.99
    $99.99 - $99.99
    $99.99

    Fleece Performance Model FPE-TL-LB7-LMM-MED-SERFleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Medium Line ...

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    $0.00 - $0.00
    $0.00
    $99.99
    $99.99 - $99.99
    $99.99
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    6 Inch Lift Kit | Chevy/GMC Sierra/Silverado 2500 4WD (1999-2004)

    Rough Country
    $1,299.95 - $1,299.95
    $1,299.95
    $1,299.95 - $1,299.95
    $1,299.95

    Take your Heavy Duty Truck to the next level with Rough Country's 6-inch Suspension Lift designed to run up to 35-inch tires. Gain increased ground...

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    $1,299.95 - $1,299.95
    $1,299.95
    $1,299.95 - $1,299.95
    $1,299.95
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    M14 x 1.5 Lug Nut Set of 32 | Chrome | Open End

    Rough Country
    $39.95 - $39.95
    $39.95
    $39.95 - $39.95
    $39.95

    Secure your new wheels with Rough Countrys Bulge Acorn Style Lug Nuts. These cold-forged lug nuts are plated with a beautiful chrome finish for a l...

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    $39.95 - $39.95
    $39.95
    $39.95 - $39.95
    $39.95
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    Fleece Performance 11-16 GM 2500-3500 Duramax Fuel Rail Pressure Harness

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $69.99
    $69.99 - $69.99
    $69.99

    Fleece Performance Model FPE-HAR-DMAX-LML-RPFleece Performance 11-16 GM 2500-3500 Duramax Fuel Rail Pressure Harness Our Fuel Rail Pressure harness...

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    $0.00 - $0.00
    $0.00
    $69.99
    $69.99 - $69.99
    $69.99
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    Soft Roll Up Bed Cover | 6'7" Bed | Chevy/GMC 1500/2500HD/3500HD (14-19 & Classic)

    Rough Country
    $199.95 - $199.95
    $199.95
    $199.95 - $199.95
    $199.95

    Superior Protection. Rough Country's Soft Roll-Up Bed Cover keeps the contents of your bed clean and dry while allowing maximum bed access when you...

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    $199.95 - $199.95
    $199.95
    $199.95 - $199.95
    $199.95
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    HD2 Aluminum Running Boards | Crew Cab | Chevy/GMC 1500/2500HD/3500HD (19-26)

    Rough Country
    $379.95 - $379.95
    $379.95
    $379.95 - $379.95
    $379.95

    Level up your truck's functionality and style with the Rough Country HD2 Running Boards. Crafted with precision and designed for those who demand t...

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    $379.95 - $379.95
    $379.95
    $379.95 - $379.95
    $379.95
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    HD2 Aluminum Running Boards | Crew Cab | Chevy/GMC 1500/2500HD/3500HD (07-19 & Classic)

    Rough Country
    $379.95 - $379.95
    $379.95
    $379.95 - $379.95
    $379.95

    Level up your truck's functionality and style with the Rough Country HD2 Running Boards. Crafted with precision and designed for those who demand t...

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    $379.95 - $379.95
    $379.95
    $379.95 - $379.95
    $379.95
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    2" Rear Block Kit - GM Truck

    ReadyLift
    $169.95 - $169.95
    $169.95
    $169.95 - $169.95
    $169.95

    Readylift Model 66-3052 QUICK OVERVIEW Chevy/GMC 2" OEM Style Rear Block Kit for 1988-98 GM 1500 2000-2010 GM HD 2500/3500 8-lug Includes new longe...

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    $169.95 - $169.95
    $169.95
    $169.95 - $169.95
    $169.95
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    5-6'' Lift Kit - GM Silverado / Sierra 2500HD/3500HD W/ Falcon Shocks 2011-2019

    ReadyLift
    $3,099.95 - $3,099.95
    $3,099.95
    $3,099.95 - $3,099.95
    $3,099.95

    Readylift Model 44-30520 QUICK OVERVIEW Lift adjustable from 5" to 6" Made to fit 2011-2019 GM 2500HD/3500HD Complete front/rear off-road suspen...

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    $3,099.95 - $3,099.95
    $3,099.95
    $3,099.95 - $3,099.95
    $3,099.95
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    2020-2024 GMC/Chevy 2500/3500 HD Front Inner Fender Bracket

    ReadyLift
    $79.95 - $79.95
    $79.95
    $79.95 - $79.95
    $79.95

    Readylift Model 67-12238 QUICK OVERVIEW ReadyLIFT recently released our 3” SST kit for the 2020-2024 GM HD trucks and in that kit is our new Inner...

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    $79.95 - $79.95
    $79.95
    $79.95 - $79.95
    $79.95
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    Wehrli LB7/LLY/LBZ/LMM Duramax Upper Coolant Pipe Plug

    Wehrli
    $0.00 - $0.00
    $0.00
    $40.74
    $40.74 - $40.74
    $40.74

    Wehrli Model WCF205-280Wehrli LB7/LLY/LBZ/LMM Duramax Upper Coolant Pipe Plug

    $0.00 - $0.00
    $0.00
    $40.74
    $40.74 - $40.74
    $40.74
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    Wehrli LLY / LBZ / LMM Duramax Turbo Compressor Inlet Billet Steel Flange

    Wehrli
    $0.00 - $0.00
    $0.00
    $38.80
    $38.80 - $38.80
    $38.80

    Wehrli Model WCF205-81Wehrli LLY / LBZ / LMM Duramax Turbo Compressor Inlet Billet Steel Flange

    $0.00 - $0.00
    $0.00
    $38.80
    $38.80 - $38.80
    $38.80
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    Wehrli 20-24 Chevy & GMC Duramax RCLB/CCSB/ECSB 60in. Traction Bar Kit

    Wehrli
    $969.03 - $969.03
    $969.03
    $969.03 - $969.03
    $969.03

    Wehrli Model WCF100826 ***This kit includes 60" long bars for Regular Cab Long Bed, Extended Cab Short Bed and Crew Cab Short Bed Models*** ***This...

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    $969.03 - $969.03
    $969.03
    $969.03 - $969.03
    $969.03
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    Wehrli 20-24 Duramax L5P Auxiliary Coolant Tank Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $241.53
    $241.53 - $241.53
    $241.53

    Wehrli Model WCF100224 2020-2025 L5P Duramax Fabricated Aluminum Auxiliary Coolant Tank Kit, mounts in OEM location. Dress up your engine bay by ...

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    $0.00 - $0.00
    $0.00
    $241.53
    $241.53 - $241.53
    $241.53
    Select Options
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    S&B Intake Replacement Filter KF-1062 ( For Intake Kits 75-5075-1 )

    S&B
    $69.00 - $69.00
    $69.00
    $69.00 - $69.00
    $69.00

    S&B Model KF-1062 - Choose Filter Option Air Filter (Dry Extendable) For Intake Kits: 75-5075-1 Replacement Filters For your S&B Cold Air I...

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    $69.00 - $69.00
    $69.00
    $69.00 - $69.00
    $69.00
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    Cold Air Intake For 17-19 Chevrolet Silverado GMC Sierra V8-6.6L L5P Duramax S&B

    S&B
    $379.00 - $379.00
    $379.00
    $379.00 - $379.00
    $379.00

    Maximum Performance Our cold air intake for the 2017-2019 Silverado / Sierra Duramax 6.6L was engineered to minimize air restriction and flows 49.9...

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    $379.00 - $379.00
    $379.00
    $379.00 - $379.00
    $379.00
    Select Options
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    Exergy 04.5-05 Chevrolet Duramax 6.6L LLY New Stock Replacement Left Hand Fuel Rail

    Exergy
    $275.00 - $275.00
    $275.00
    $275.00 - $275.00
    $275.00

    Exergy 04.5-05 Chevy Duramax LLY New Stock Replacement LH Fuel Rail

    $275.00 - $275.00
    $275.00
    $275.00 - $275.00
    $275.00
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    Exergy LB7 Duramax Rail End to M14x1.5

    Exergy
    $71.00 - $71.00
    $71.00
    $71.00 - $71.00
    $71.00

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

    $71.00 - $71.00
    $71.00
    $71.00 - $71.00
    $71.00
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    Dodge Rail Plug For 13-18 6.7L Cummins Industrial Injection

    Industrial Injection
    $39.95
    $39.95 - $39.95
    $39.95
    $38.75
    $38.75 - $38.75
    $38.75

    Industrial Injection Model: 631601Made by Industrial Injection to replace your factory faulty pressure relief valve which causes a lack of fuel pre...

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    $39.95
    $39.95 - $39.95
    $39.95
    $38.75
    $38.75 - $38.75
    $38.75
    Save 3% Save %
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    Wehrli Chevrolet LBZ/LMM Duramax 3in Y-Bridge Kit (Bridge Only)

    Wehrli
    $569.00
    $569.00 - $569.00
    $569.00
    $522.83
    $522.83 - $522.83
    $522.83

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

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    $569.00
    $569.00 - $569.00
    $569.00
    $522.83
    $522.83 - $522.83
    $522.83
    Save 8% Save %
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    Wehrli 15.5-16 Chevrolet 6.6L LML Duramax 3in Stainless Down Pipe (3 Bolt Flange)

    Wehrli
    $0.00 - $0.00
    $0.00
    $348.23
    $348.23 - $348.23
    $348.23

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

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    $0.00 - $0.00
    $0.00
    $348.23
    $348.23 - $348.23
    $348.23
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    Wehrli 06-10 Chevrolet 6.6L LBZ/LMM Duramax Passenger Side 3.5in Intercooler Pipe

    Wehrli
    $0.00 - $0.00
    $0.00
    $411.28
    $411.28 - $411.28
    $411.28

    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...

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    $0.00 - $0.00
    $0.00
    $411.28
    $411.28 - $411.28
    $411.28
    Select Options
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    Wehrli 06-10 Chevrolet 6.6L LBZ/LMM Duramax 3.5in Intake Horn

    Wehrli
    $0.00 - $0.00
    $0.00
    $388.00
    $388.00 - $388.00
    $388.00

    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...

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    $0.00 - $0.00
    $0.00
    $388.00
    $388.00 - $388.00
    $388.00
    Select Options
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    Wehrli 01-19 Chevrolet LB7/LLY/LBZ/LMM/LML/L5P Duramax Brake Master Cylinder Cover

    Wehrli
    $0.00 - $0.00
    $0.00
    $145.50
    $145.50 - $145.50
    $145.50

    Wehrli Model WCF100205Clean up the engine bay of your 2001-2019 Chevy Silverado or GMC Sierra 2500/3500 Duramax truck with this custom powder coate...

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    $0.00 - $0.00
    $0.00
    $145.50
    $145.50 - $145.50
    $145.50
    Select Options

 

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