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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 Wheel Stud (single) For 2011–2025 Chevy/GMC HD Trucks

    Kryptonite
    $14.00 - $14.00
    $14.00
    $14.00 - $14.00
    $14.00

    Kryptonite Model KRP0175Fits: 2011–2025 GM HD Trucks (2500HD / 3500)SRW ONLY: Single Rear Wheel models only Front Only.Part#: KRP0175 **SOLD INDIVI...

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    $14.00 - $14.00
    $14.00
    $14.00 - $14.00
    $14.00
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    Kryptonite Upper Control Arm Stainless Logo Plates | 2011–2026 Chevy/GMC 2500HD/3500HD

    Kryptonite
    $28.00 - $28.00
    $28.00
    $28.00 - $28.00
    $28.00

    Part# KRUCA11PLATES Fits:  2011–2026 Chevy 2500HD / 3500HD 2011–2026 GMC 2500HD / 3500HD Important Fitment Details: Only fits Kryptonite-brand Up...

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    $28.00 - $28.00
    $28.00
    $28.00 - $28.00
    $28.00
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    XDP Mass Air Flow (MAF) Sensor 2001-2007 GM 6.6L Duramax LB7/LLY/LBZ XD1024

    XDP
    $122.00 - $122.00
    $122.00
    $122.00 - $122.00
    $122.00

    XDP Model XD1024The XDP Mass Air Flow (MAF) Sensor XD1024 is an OE-style, direct-fit replacement the factory MAF sensor on your Chevy or GMC 6.6L D...

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    $122.00 - $122.00
    $122.00
    $122.00 - $122.00
    $122.00
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    Mishimoto Mishimoto Steel Spiked Lug Nuts M14 x 1.5 32pc Set Black

    Mishimoto
    $166.00
    $166.00 - $166.00
    $166.00
    $152.00
    $152.00 - $152.00
    $152.00

    Mishimoto Model MMLG-SP1415-32BKThe details matter when you're building your dream car. Every bolt is meticulously chosen for not only function, bu...

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    $166.00
    $166.00 - $166.00
    $166.00
    $152.00
    $152.00 - $152.00
    $152.00
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    Power Steering Pump New with Reservoir 2011-2022 Chevrolet Silverado/GMC Sierra 2500HD/3500HD XDP Xtreme Diesel Performance

    XDP
    $460.00 - $460.00
    $460.00
    $460.00 - $460.00
    $460.00

    Restore proper steering performance in your GM 6.6L Duramax LML/L5P with the XDP Power Steering Pump New with Reservoir XD740. Made from all-new co...

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    $460.00 - $460.00
    $460.00
    $460.00 - $460.00
    $460.00
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    Power Steering Pump New with Reservoir 2001-2010 Chevrolet Silverado/GMC Sierra 2500/3500 XDP Xtreme Diesel Performance

    XDP
    $300.00 - $300.00
    $300.00
    $300.00 - $300.00
    $300.00

    Replace that leaking or noisy power steering pump in your GM 6.6L Duramax LB7/LLY/LBZ/LMM with the XDP Power Steering Pump New with Reservoir XD733...

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    $300.00 - $300.00
    $300.00
    $300.00 - $300.00
    $300.00
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    BD Diesel 17-19 Chevrolet/GM Allison Cooler Bypass Delete

    BD Diesel
    $132.00 - $132.00
    $132.00
    $136.00
    $136.00 - $136.00
    $136.00

    BD Diesel Model 1061532Debris in the stock cooler bypass valve can cause it to jam the internal valve, keeping it in recirculation mode. When this ...

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    $132.00 - $132.00
    $132.00
    $136.00
    $136.00 - $136.00
    $136.00
  • XDP Harmonic Balancer Bolt XD628. XDP Harmonic Balancer Bolt XD628.

    XDP Harmonic Balancer Bolt XD628

    XDP
    $36.00 - $36.00
    $36.00
    $36.00 - $36.00
    $36.00

    XDP Model XD628

    $36.00 - $36.00
    $36.00
    $36.00 - $36.00
    $36.00
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    Wehrli 15-19 Chevy HD Lower Valance Filler Panel License Plate Mount Bracket

    Wehrli
    $0.00 - $0.00
    $0.00
    $66.00
    $66.00 - $66.00
    $66.00

    Wehrli Model WCF100156Wehrli 15-19 Chevy HD Lower Valance Filler Panel License Plate Mount Bracket Mounts between WCFAB Lower Valance Filler Pane...

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    $0.00 - $0.00
    $0.00
    $66.00
    $66.00 - $66.00
    $66.00
  • S&S Diesel Motorsport LLY Duramax (2004.5-2005 )TorqueMaster Injectors Set - Reman or New. S&S Diesel Motorsport LLY Duramax (2004.5-2005 )TorqueMaster Injectors Set - Reman or New.

    S&S Diesel Motorsport LLY Duramax (2004.5-2005 )TorqueMaster Injectors Set - Reman or New

    S&S
    $3,764.00 - $4,428.00
    $3,764.00
    $3,764.00 - $4,428.00
    $3,764.00

    S&S Model LLY-10SAC-R-SET (Reman) or LLY-10SAC-SET (New)LLY TorqueMaster Injector -Set S&S Upgrades Proprietary nozzle honing process fo...

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    $3,764.00 - $4,428.00
    $3,764.00
    $3,764.00 - $4,428.00
    $3,764.00
    Select Options
  • S&S Diesel Motorsport LB7 SAC00® Injector - Reman or New Set. S&S Diesel Motorsport LB7 SAC00® Injector - Reman or New Set.

    S&S Diesel Motorsport LB7 01-04 SAC00® Injector - Reman or New Set

    S&S
    $3,427.00 - $3,912.00
    $3,427.00
    $3,427.00 - $3,912.00
    $3,427.00

    S&S Model LB7-00SAC-R-SET (Reman) or LB7-00SAC-SET (New) LB7 SAC00® Injector - Set The S&S Diesel Motorsport SAC00® injectors are a game-ch...

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    $3,427.00 - $3,912.00
    $3,427.00
    $3,427.00 - $3,912.00
    $3,427.00
    Select Options
  • S&S Diesel Motorsport Duramax 10mm CP3 (1,325 mm3 /rev displacement) New. S&S Diesel Motorsport Duramax 12mm CP3 High Speed (1,590 mm3 /rev displacement) -New.

    S&S Diesel Motorsport Duramax 12mm CP3 High Speed (1,590 mm3 /rev displacement) -New

    S&S
    $3,750.00 - $3,750.00
    $3,750.00
    $3,750.00 - $3,750.00
    $3,750.00

    S&S Model CP3-DMX-12-HSS&S Diesel Motorsport Duramax 12mm CP3 High Speed (1,590 mm3 /rev displacement) | New LBZ-based. 2001-2010 Duramax T...

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    $3,750.00 - $3,750.00
    $3,750.00
    $3,750.00 - $3,750.00
    $3,750.00
  • S&S Diesel Motorsport Duramax SuperSport CP3 (higher output >3500rpm) - New. S&S Diesel Motorsport Duramax SuperSport CP3 (higher output >3500rpm) - New.

    S&S Diesel Motorsport Duramax SuperSport CP3 (higher output >3500rpm) - New

    S&S
    $1,630.00 - $1,630.00
    $1,630.00
    $1,630.00 - $1,630.00
    $1,630.00

    S&S Model CP3-DMX-SSS&S Diesel Motorsport Duramax SuperSport CP3 (higher output >3500rpm) S&S Duramax CP3 pumps are built from brand...

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    $1,630.00 - $1,630.00
    $1,630.00
    $1,630.00 - $1,630.00
    $1,630.00
  • S&S Diesel Motorsport Low Pressure Injector Return Line Assembly-LH Side LLY/LBZ/LMM. S&S Diesel Motorsport Low Pressure Injector Return Line Assembly-LH Side LLY/LBZ/LMM.

    S&S Diesel Motorsport Low Pressure Injector Return Line Assembly-LH Side LLY/LBZ/LMM

    S&S
    $73.00 - $73.00
    $73.00
    $73.00 - $73.00
    $73.00

    S&S Model DMAX-INJ-RTN-LHS&S Diesel Motorsport Low Pressure Injector Return Line Assembly-LH Side LLY/LBZ/LMM

    $73.00 - $73.00
    $73.00
    $73.00 - $73.00
    $73.00
  • S&S Diesel Motorsport LML CP4 TO RAIL LH (1267074). S&S Diesel Motorsport LML CP4 TO RAIL LH (1267074).

    S&S Diesel Motorsport LML CP4 TO RAIL LH (1267074)

    S&S
    $94.00 - $94.00
    $94.00
    $94.00 - $94.00
    $94.00

    S&S Model LML-HPLINE-CP4-RAIL-LHS&S Diesel Motorsport LML CP4 TO RAIL LH (1267074) *Generic Image

    $94.00 - $94.00
    $94.00
    $94.00 - $94.00
    $94.00
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    S&S Diesel Motorsport Single Stage Pressure Relief Valve External Return LB7/5.9 Style 1850bar M18x1.5

    S&S
    $241.00 - $241.00
    $241.00
    $241.00 - $241.00
    $241.00

    S&S Model PRV-E-1850-1SS&S Diesel Motorsport Single Stage Pressure Relief Valve External Return. LB7/5.9 Style 1850bar M18x1.5

    $241.00 - $241.00
    $241.00
    $241.00 - $241.00
    $241.00
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    S&S Diesel Motorsport Injector Seal Kit (combustion seal + body o-ring + inlet o-ring) - LB7

    S&S
    $11.00 - $11.00
    $11.00
    $11.00 - $11.00
    $11.00

    S&S Model INJ-SEALS-LB7Injector Seal Kit for all 8 injectors (combustion seal + body o-ring + inlet o-ring) - LB7 *Generic Image

    $11.00 - $11.00
    $11.00
    $11.00 - $11.00
    $11.00
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    Banks Power 17-24 Chevrolet/GMC 2500/3500 6.6L Duramax L5P Monster-Ram Turbo Inlet Elbow - Red

    Banks Power
    $480.00
    $480.00 - $480.00
    $480.00
    $432.00
    $432.00 - $432.00
    $432.00

    The Banks Monster-Ram Turbo Inlet for the 2017-2024 Duramax L5P is the only intake elbow that outperforms stock without the destructive effects of ...

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    $480.00
    $480.00 - $480.00
    $480.00
    $432.00
    $432.00 - $432.00
    $432.00
    Save 10% Save %
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    Banks Power 17-19 F250/F350/F450 Ram-Air Replacement Filter - Oiled

    Banks Power
    $223.00
    $223.00 - $223.00
    $223.00
    $201.00
    $201.00 - $201.00
    $201.00

    Easy to install replacement filter (oiled or dry). Increased airflow, excellent filtration and longer service life. Banks Ram-Air filter is a high...

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    $223.00
    $223.00 - $223.00
    $223.00
    $201.00
    $201.00 - $201.00
    $201.00
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    Banks Power Pre-Filter (For PN 42141 / 42141-D)

    Banks Power
    $71.00
    $71.00 - $71.00
    $71.00
    $64.00
    $64.00 - $64.00
    $64.00

    Highly recommended in dirty environments. Keep your Ram-Air Filter protected from large debris, bugs, mud, etc... Built from a breathable material,...

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    $71.00
    $71.00 - $71.00
    $71.00
    $64.00
    $64.00 - $64.00
    $64.00
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    XDP XTRA Cool Water Pump (With Housing) XD666

    XDP
    $228.00 - $228.00
    $228.00
    $228.00 - $228.00
    $228.00

    XDP Model XD6662001-2005 GM 6.6L Duramax LB7/LLY | 2003-2005 GM Kodiak/Topkick C4500/C5500 6.6L DuramaxThe XDP X-TRA Cool Water Pump (With Housing)...

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    $228.00 - $228.00
    $228.00
    $228.00 - $228.00
    $228.00
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    Pusher SuperMax Y-Bridge for 2011-2016 Duramax LBZ / LMM Trucks

    Pusher Intakes
    $722.00 - $722.00
    $722.00
    $722.00 - $722.00
    $722.00

    Pusher Model PGD1116YB OFF ROAD USE ONLY: This aftermarket component is designed for racing and/or off-road vehicles driven and shall only be used ...

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    $722.00 - $722.00
    $722.00
    $722.00 - $722.00
    $722.00
    Select Options
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    M14 x 1.5 Lug Nut Set of 32 | Black

    Rough Country
    $58.00 - $58.00
    $58.00
    $58.00 - $58.00
    $58.00

    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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    $58.00 - $58.00
    $58.00
    $58.00 - $58.00
    $58.00
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    Wehrli LMM Duramax MAF Sensor Aluminum Weld Bung

    Wehrli
    $0.00 - $0.00
    $0.00
    $49.00
    $49.00 - $49.00
    $49.00

    Wehrli Model WCF205-28Wehrli LMM Duramax MAF Sensor Aluminum Weld Bung

    $0.00 - $0.00
    $0.00
    $49.00
    $49.00 - $49.00
    $49.00

 

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