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

    ARP 17-19 6.6L (L5P) GM Duramax Diesel ARP2000 Head Stud Kit

    ARP
    $852.08 - $852.08
    $852.08
    $852.08 - $852.08
    $852.08

    ARP Model 230-4301ARP 17-19 6.6L (L5P) GM Duramax Diesel ARP2000 Head Stud Kit

    $852.08 - $852.08
    $852.08
    $852.08 - $852.08
    $852.08
  • responsive-image responsive-image

    aFe Quantum Pro DRY S Cold Air Intake System 17-18 GM/Chevy Duramax V8-6.6L L5P - Dry

    aFe
    $372.00 - $372.00
    $372.00
    $372.00 - $372.00
    $372.00

    Quantum Cold Air Intake Systems (Patent Pending) by aFe POWER are the latest in airflow technology for your Ford Power Stroke 6.7L (td) truck. From...

    View full details
    $372.00 - $372.00
    $372.00
    $372.00 - $372.00
    $372.00
  • responsive-image responsive-image

    aFe Quantum Pro 5R Cold Air Intake System 17-18 GM/Chevy Duramax V6-6.6L L5P - Oiled

    aFe
    $361.00 - $361.00
    $361.00
    $361.00 - $361.00
    $361.00

    Quantum Cold Air Intake Systems (Patent Pending) by aFe POWER are the latest in airflow technology for your Ford Power Stroke 6.7L (td) truck. From...

    View full details
    $361.00 - $361.00
    $361.00
    $361.00 - $361.00
    $361.00
  • responsive-image responsive-image

    aFe LARGE BORE HD 5in 409-SS DPF-Back Exhaust w/Polished Tip 2017 GM Duramax V8-6.6L (td) L5P

    aFe
    $601.65 - $601.65
    $601.65
    $601.65 - $601.65
    $601.65

    Simple Installation: All systems use factory mounting locations providing stability and hassle-free installation. Leak-Free Seal: High quality band...

    View full details
    $601.65 - $601.65
    $601.65
    $601.65 - $601.65
    $601.65
  • responsive-image responsive-image

    Fleece Performance 17-19 GM Duramax 2500/3500 Heavy Duty Transmission Cooler lines

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $329.99
    $329.99 - $329.99
    $329.99

    Fleece Performance Model FPE-TL-L5P-1719Replace your leaking transmission lines with our heavy duty, high flow, flexible transmission lines. Our ki...

    View full details
    $0.00 - $0.00
    $0.00
    $329.99
    $329.99 - $329.99
    $329.99
  • responsive-image responsive-image

    aFe LARGE BORE HD 5in 409-SS DPF-Back Exhaust w/Black Tip 2017 GM Duramax V8-6.6L (td) L5P

    aFe
    $643.65 - $643.65
    $643.65
    $643.65 - $643.65
    $643.65

    Simple Installation: All systems use factory mounting locations providing stability and hassle-free installation. Leak-Free Seal: High quality band...

    View full details
    $643.65 - $643.65
    $643.65
    $643.65 - $643.65
    $643.65
  • responsive-image responsive-image

    Fleece Performance 17-19 GM Duramax 6.6L L5P Fuel Filter Upgrade Kit

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $229.00
    $229.00 - $229.00
    $229.00

    Fleece Performance Model FPE-L5P-FFBA-1719The Fleece Performance L5P fuel filter upgrade kit allows you to seamlessly change over from the stock ca...

    View full details
    $0.00 - $0.00
    $0.00
    $229.00
    $229.00 - $229.00
    $229.00
  • responsive-image responsive-image

    Fleece Performance 17-22 GM 2500/3500 Duramax Replacement Fuel Injector Connector w/Pigtail (8 Pack)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $299.99
    $299.99 - $299.99
    $299.99

    Fleece Performance Model FPE-HAR-L5P-INJ-PT-8PA common failure point on the L5P Duramax, our replacement connector with 4.5 inch pigtail for the fu...

    View full details
    $0.00 - $0.00
    $0.00
    $299.99
    $299.99 - $299.99
    $299.99
  • responsive-image responsive-image

    Fleece Performance 17-22 GM 2500/3500 L5P Duramax Sensor Connector w/4.5in Pigtail

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $37.99
    $37.99 - $37.99
    $37.99

    Fleece Performance Model FPE-HAR-MU-PT-1Replacement connector with 4.5 inch pigtail for use in multiple locations on the Duramax, Ram with Cummins,...

    View full details
    $0.00 - $0.00
    $0.00
    $37.99
    $37.99 - $37.99
    $37.99
  • responsive-image responsive-image

    ATS Diesel 2011+ GM Allison LML C5 Clutch Pack

    ATS Diesel
    $3,564.99 - $3,564.99
    $3,564.99
    $3,564.99 - $3,564.99
    $3,564.99

    ATS Model 31390643682011-Present GM Allison LML 6 speed Kit(Stage 6) Includes Eeverything in Stage 5 Plus: ATS C5 Clutch Pack Application: 2010-...

    View full details
    $3,564.99 - $3,564.99
    $3,564.99
    $3,564.99 - $3,564.99
    $3,564.99
  • responsive-image responsive-image

    Kryptonite Sway Bar End Links (4-6") Ride Height 2020-2025 Chevy/GMC 2500HD/3500

    Kryptonite
    $161.49 - $161.49
    $161.49
    $161.49 - $161.49
    $161.49

    Fits: 2020–2025 Chevrolet / GMC 2500HD / 3500HD with 4"–6" Lift Kits IMPORTANT FITMENT DETAIL: Designed for use with 4”–6” suspension lift kits 1...

    View full details
    $161.49 - $161.49
    $161.49
    $161.49 - $161.49
    $161.49
  • responsive-image responsive-image

    Kryptonite Stage 1 Leveling Kit 2020-2025

    Kryptonite
    $161.49 - $161.49
    $161.49
    $161.49 - $161.49
    $161.49

    Part# KR20STAGE1 Fits; 2020-2025 Chevy/GMC 2500/3500 HD Will NOT fit on AT4X & ZR2 trucks equipped with DSSV shocks. DESCRIPTION Kryptoni...

    View full details
    $161.49 - $161.49
    $161.49
    $161.49 - $161.49
    $161.49
  • responsive-image responsive-image

    Kryptonite Stage 2 Leveling Kit For 2020-2025 Chevy/GMC 2500HD/3500HD

    Kryptonite
    $759.99 - $759.99
    $759.99
    $759.99 - $759.99
    $759.99

    Fits: 2020–2025 Chevrolet / GMC 2500HD / 3500HD TrucksWill NOT fit: AT4X & ZR2 models equipped with DSSV shocks IMPORTANT FITMENT DETAILS: ...

    View full details
    $759.99 - $759.99
    $759.99
    $759.99 - $759.99
    $759.99
  • responsive-image responsive-image

    Kryptonite Leveling Key Set 2020-2025

    Kryptonite
    $113.99 - $113.99
    $113.99
    $113.99 - $113.99
    $113.99

    Part# KRKEY20 Fits; 2020-2025 CHEVY/GMC 2500/3500 HD DESCRIPTION Torsion Bar Adjuster Kit (Keys) 2 inch lift These forged re-clocked keys will ...

    View full details
    $113.99 - $113.99
    $113.99
    $113.99 - $113.99
    $113.99
  • responsive-image responsive-image

    Kryptonite Torsion Key Unloading Tool For 1988–2025 Universal Chevy/GMC Fit

    Kryptonite
    $151.99 - $151.99
    $151.99
    $151.99 - $151.99
    $151.99

    Fits:1988–2025 Chevy/GMC 1500HD / 2500HD / 3500 Trucks, Also fits: 1999–2006 GM 1500 Trucks & SUVs Universal Fit – Compatible with most GM tru...

    View full details
    $151.99 - $151.99
    $151.99
    $151.99 - $151.99
    $151.99
  • responsive-image responsive-image

    Fox 2.0 Performance Series Coil-over (single) 0–3" For 2007–2018 Chevy/GMC HD Trucks

    Kryptonite
    $569.95 - $569.95
    $569.95
    $569.95 - $569.95
    $569.95

    Part# KRS018-1 Fits; 2007-2018 Chevrolet / GMC 2007-2018 1500 2WD / 4WD trucks & SUVs *SINGLE COILOVER DESCRIPTION: Direct Bolt on as a 2" Incr...

    View full details
    $569.95 - $569.95
    $569.95
    $569.95 - $569.95
    $569.95
  • responsive-image responsive-image Save 15% Save %

    DDP Duramax 06-07 LBZ Reman Injector Set - 100 (45% Over)

    DDP
    $5,250.00
    $5,250.00 - $5,250.00
    $5,250.00
    $4,488.75
    $4,488.75 - $4,488.75
    $4,488.75

    DDP Model DDPLBZ-100Duramax 06-07 LBZ Injector Set: Remanufactured injector set flowing at 45 percent over, capable of 750-800 RWHP with proper sup...

    View full details
    $5,250.00
    $5,250.00 - $5,250.00
    $5,250.00
    $4,488.75
    $4,488.75 - $4,488.75
    $4,488.75
    Save 15% Save %
  • responsive-image responsive-image Save 15% Save %

    DDP Duramax 04.5-05 LLY Reman Injector Set - 100 (45% Over)

    DDP
    $4,300.00
    $4,300.00 - $4,300.00
    $4,300.00
    $3,676.50
    $3,676.50 - $3,676.50
    $3,676.50

    DDP Model DDPLLY-100Duramax 04.5-05 LLY Injector Set: Remanufactured injector set flowing at 45 percent over, capable of 750-800 RWHP with proper s...

    View full details
    $4,300.00
    $4,300.00 - $4,300.00
    $4,300.00
    $3,676.50
    $3,676.50 - $3,676.50
    $3,676.50
    Save 15% Save %
  • responsive-image responsive-image Save 3% Save %

    GM Remanufactured Dragon Fire 85 CP3 Injection Pump For 01-04 6.6L LB7 II Duramax Industrial Injection

    Industrial Injection
    $1,499.95
    $1,499.95 - $1,499.95
    $1,499.95
    $1,454.95
    $1,454.95 - $1,454.95
    $1,454.95

    Industrial Injection Model: 0986437303DFSEThe modified CP3 and CP4 Injection pumps offered by Industrial Injection are a drop in replacement for th...

    View full details
    $1,499.95
    $1,499.95 - $1,499.95
    $1,499.95
    $1,454.95
    $1,454.95 - $1,454.95
    $1,454.95
    Save 3% Save %
  • responsive-image responsive-image

    XDP OER Series Duramax 6.6L L5P Fuel Contamination Kit 2017-2020 GM 6.6L Duramax L5P

    XDP
    $5,797.95 - $5,797.95
    $5,797.95
    $5,797.95 - $5,797.95
    $5,797.95

    XDP Model XD608The XDP OER Series Duramax 6.6L L5P Fuel Contamination Kit XD608 will replace all the debris-riddled parts in the fuel system of you...

    View full details
    $5,797.95 - $5,797.95
    $5,797.95
    $5,797.95 - $5,797.95
    $5,797.95
  • responsive-image responsive-image

    XDP Duramax 6.6L LGH Fuel Contamination Kit 11-16 GM 6.6L Duramax LGH XD518

    XDP
    $4,819.95 - $4,819.95
    $4,819.95
    $4,819.95 - $4,819.95
    $4,819.95

    XDP Model XD518The XDP Duramax 6.6L LGH Fuel Contamination Kit XD518 includes the items you need to repair the fuel system in your 2011-2016 GM Dur...

    View full details
    $4,819.95 - $4,819.95
    $4,819.95
    $4,819.95 - $4,819.95
    $4,819.95
  • responsive-image responsive-image

    XDP Fuel System Contamination Kit - No Pump (Stock Replacement) XD615

    XDP
    $3,620.95 - $3,620.95
    $3,620.95
    $3,620.95 - $3,620.95
    $3,620.95

    XDP Model XD615The XDP Fuel System Contamination Kit - No Pump (Stock Replacement) XD615 will help you get your vehicle back on the road. The facto...

    View full details
    $3,620.95 - $3,620.95
    $3,620.95
    $3,620.95 - $3,620.95
    $3,620.95
  • responsive-image responsive-image

    XDP Xpressor OER Series Reman GT3788VA Replacement Turbocharger XD556

    XDP
    $953.95 - $953.95
    $953.95
    $953.95 - $953.95
    $953.95

    XDP Model XD556The XDP Xpressor Turbo (Remanufactured Stock Replacement) XD556 is a direct-fit replacement for the worn turbo in your 2011-2016 GM ...

    View full details
    $953.95 - $953.95
    $953.95
    $953.95 - $953.95
    $953.95
  • responsive-image responsive-image

    XDP Xpressor OER Series Reman GT3788VA Replacement Turbocharger XD553

    XDP
    $929.95 - $929.95
    $929.95
    $929.95 - $929.95
    $929.95

    XDP Model XD553The XDP Xpressor Turbo (Remanufactured Stock Replacement) XD553 is a direct-fit replacement for the failed turbo in your 2004.5-2005...

    View full details
    $929.95 - $929.95
    $929.95
    $929.95 - $929.95
    $929.95

 

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