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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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    GM CP4 to CP3 Conversion Kit For 11-16 LML 6.6L Duramax Includes 42 Percent Over SHO Pump Industrial Injection

    Industrial Injection
    $2,699.95
    $2,699.95 - $2,699.95
    $2,699.95
    $2,618.95
    $2,618.95 - $2,618.95
    $2,618.95

    Industrial Injection Model: 436404Don't let the unreliable stock CP4 injection pump ruin your day! The Industrial Injection Cp4 to CP3 Conversion K...

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    $2,699.95
    $2,699.95 - $2,699.95
    $2,699.95
    $2,618.95
    $2,618.95 - $2,618.95
    $2,618.95
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    Industrial Injection 11-16 6.6L Duramax LML Dragon Fly 15% Over Injector

    Industrial Injection
    $453.95
    $453.95 - $453.95
    $453.95
    $440.33
    $440.33 - $440.33
    $440.33

    Industrial Injection Model: 0986435410DFLY Industrial Injection Performance 6.6 LML Duramax Injectors - PRICED EACH! Fits: 6.6 Duramax LML Item Ty...

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    $453.95
    $453.95 - $453.95
    $453.95
    $440.33
    $440.33 - $440.33
    $440.33
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    Industrial Injection 11-16 6.6L Duramax LML R6 100% Over Injector

    Industrial Injection
    $526.95
    $526.95 - $526.95
    $526.95
    $511.14
    $511.14 - $511.14
    $511.14

    Industrial Injection Model: 0986435410-R6 Industrial Injection Performance 6.6 LML Duramax Injectors - PRICED EACH! Fits: 6.6 Duramax LML Item Typ...

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    $526.95
    $526.95 - $526.95
    $526.95
    $511.14
    $511.14 - $511.14
    $511.14
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    Industrial Injection 11-16 6.6L Duramax LML R5 75% Over Injector

    Industrial Injection
    $526.95
    $526.95 - $526.95
    $526.95
    $511.14
    $511.14 - $511.14
    $511.14

    Industrial Injection Model: 0986435410-R5 Industrial Injection Performance 6.6 LML Duramax Injectors - PRICED EACH! Fits: 6.6 Duramax LML Item Typ...

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    $526.95
    $526.95 - $526.95
    $526.95
    $511.14
    $511.14 - $511.14
    $511.14
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    Industrial Injection 11-16 6.6L Duramax LML R4 50% Over Injector

    Industrial Injection
    $489.95
    $489.95 - $489.95
    $489.95
    $475.25
    $475.25 - $475.25
    $475.25

    Industrial Injection Model: 0986435410-R4 Industrial Injection Performance 6.6 LML Duramax Injectors - PRICED EACH! Fits: 6.6 Duramax LML Item Typ...

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    $489.95
    $489.95 - $489.95
    $489.95
    $475.25
    $475.25 - $475.25
    $475.25
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    Industrial Injection 11-16 6.6L Duramax LML R3 40% Over Injector

    Industrial Injection
    $489.95
    $489.95 - $489.95
    $489.95
    $475.25
    $475.25 - $475.25
    $475.25

    Industrial Injection Model: 0986435410-R3 Industrial Injection Performance 6.6 LML Duramax Injectors - PRICED EACH! Fits: 6.6 Duramax LML Item Typ...

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    $489.95
    $489.95 - $489.95
    $489.95
    $475.25
    $475.25 - $475.25
    $475.25
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    Industrial Injection 11-16 6.6L Duramax LML R1 20% Over Injector

    Industrial Injection
    $453.95
    $453.95 - $453.95
    $453.95
    $440.33
    $440.33 - $440.33
    $440.33

    Industrial Injection Model: 0986435410-R1 Industrial Injection Performance 6.6 LML Duramax Injectors - PRICED EACH! Fits: 6.6 Duramax LML Item Typ...

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    $453.95
    $453.95 - $453.95
    $453.95
    $440.33
    $440.33 - $440.33
    $440.33
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    Industrial Injection 11-16 6.6L Duramax LML R2 30% Over Injector

    Industrial Injection
    $453.95
    $453.95 - $453.95
    $453.95
    $440.33
    $440.33 - $440.33
    $440.33

    Industrial Injection Model: 0986435410-R2 Industrial Injection Performance 6.6 LML Duramax Injectors - PRICED EACH! Fits: 6.6 Duramax LML Item Typ...

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    $453.95
    $453.95 - $453.95
    $453.95
    $440.33
    $440.33 - $440.33
    $440.33
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    Industrial Injection 11-16 LGH Duramax CHASSIS CAB* Dragon Fly 15% Over Injector

    Industrial Injection
    $568.95
    $568.95 - $568.95
    $568.95
    $551.88
    $551.88 - $551.88
    $551.88

    Industrial Injection Model: 0986435409DFLY Industrial Injection Performance 6.6 LGH Duramax Injector (Cab & Chassis) - PRICED EACH! Fits: 6.6 D...

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    $568.95
    $568.95 - $568.95
    $568.95
    $551.88
    $551.88 - $551.88
    $551.88
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    Industrial Injection 11-16 LGH Duramax CHASSIS CAB* 100% Over Injector

    Industrial Injection
    $664.95
    $664.95 - $664.95
    $664.95
    $645.00
    $645.00 - $645.00
    $645.00

    Industrial Injection Model: 0986435409-R6 Industrial Injection Performance 6.6 LGH Duramax Injector (Cab & Chassis) - PRICED EACH Fits: 6.6 Dur...

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    $664.95
    $664.95 - $664.95
    $664.95
    $645.00
    $645.00 - $645.00
    $645.00
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    Industrial Injection 11-16 LGH Duramax CHASSIS CAB* 75% Over Injector

    Industrial Injection
    $605.95
    $605.95 - $605.95
    $605.95
    $587.77
    $587.77 - $587.77
    $587.77

    Industrial Injection Model: 0986435409-R5 Industrial Injection Performance 6.6 LGH Duramax Injector (Cab & Chassis)- PRICED EACH Fits: 6.6 Dura...

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    $605.95
    $605.95 - $605.95
    $605.95
    $587.77
    $587.77 - $587.77
    $587.77
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    Industrial Injection 11-16 Chevrolet 6.6L Duramax LML Reman Stock Injector

    Industrial Injection
    $331.00 - $331.00
    $331.00
    $331.00 - $331.00
    $331.00

    Industrial Injection Model: 0986435410-IIS Genuine Bosch Stock 6.6 2011-2016 LML Duramax Injector Fits: 2011-2016 LML Duramax Item Name: Bosch Rema...

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    $331.00 - $331.00
    $331.00
    $331.00 - $331.00
    $331.00
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    Industrial Injection 11-16 LGH Duramax CHASSIS CAB* 30% Over Injector

    Industrial Injection
    $568.95
    $568.95 - $568.95
    $568.95
    $551.88
    $551.88 - $551.88
    $551.88

    Industrial Injection Model: 0986435409-R2 Industrial Injection Performance 6.6 LGH Duramax Injector (Cab & Chassis) - PRICED EACH! Fits: 6.6 Du...

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    $568.95
    $568.95 - $568.95
    $568.95
    $551.88
    $551.88 - $551.88
    $551.88
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    Industrial Injection 11-16 LGH Duramax CHASSIS CAB* 50% Over Injector

    Industrial Injection
    $605.95
    $605.95 - $605.95
    $605.95
    $587.77
    $587.77 - $587.77
    $587.77

    Industrial Injection Model: 0986435409-R4 Industrial Injection Performance 6.6 LGH Duramax Injectors (Cab & Chassis)- PRICED EACH! Fits: 6.6 Du...

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    $605.95
    $605.95 - $605.95
    $605.95
    $587.77
    $587.77 - $587.77
    $587.77
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    Industrial Injection 11-16 LGH Duramax CHASSIS CAB* 40% Over Injector

    Industrial Injection
    $605.95
    $605.95 - $605.95
    $605.95
    $587.77
    $587.77 - $587.77
    $587.77

    Industrial Injection Model: 0986435409-R3 Industrial Injection Performance 6.6 LGH Duramax Injectors (Cab & Chassis) - PRICED EACH! Fits: 6.6 D...

    View full details
    $605.95
    $605.95 - $605.95
    $605.95
    $587.77
    $587.77 - $587.77
    $587.77
    Save 3% Save %
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    Industrial Injection 11-16 LGH Duramax CHASSIS CAB* 20% Over Injector

    Industrial Injection
    $568.95
    $568.95 - $568.95
    $568.95
    $551.88
    $551.88 - $551.88
    $551.88

    Industrial Injection Model: 0986435409-R1 Industrial Injection Performance 6.6 LGH Duramax Injector (Cab & Chassis) - PRICED EACH! Fits: 6.6 Du...

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    $568.95
    $568.95 - $568.95
    $568.95
    $551.88
    $551.88 - $551.88
    $551.88
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    Exergy 11-16 Chevrolet Duramax 6.6L LML Seal Kit (O-Ring and Copper Gasket) - Set of 8

    Exergy
    $60.00 - $60.00
    $60.00
    $60.00 - $60.00
    $60.00

    Exergy 11-16 Chevy Duramax LML Seal Kit (O-Ring and Copper Gasket) (Set of 8)

    $60.00 - $60.00
    $60.00
    $60.00 - $60.00
    $60.00
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    Exergy 11-16 Chevrolet Duramax 6.6L LML Rail Pressure Sensor

    Exergy
    $240.00 - $240.00
    $240.00
    $240.00 - $240.00
    $240.00

    Exergy Model E05 10521Exergy 11-16 Chevrolet Duramax 6.6L LML Rail Pressure Sensor

    $240.00 - $240.00
    $240.00
    $240.00 - $240.00
    $240.00
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    Exergy 11-16 Chevrolet Duramax 6.6L LML Reman 200% Over Injector - Set of 8

    Exergy
    $6,384.00 - $6,384.00
    $6,384.00
    $6,384.00 - $6,384.00
    $6,384.00

    Exergy Model E01 10518 Exergy 11-16 Chevy Duramax LML Reman 200% Over Injector (Set of 8) The nozzles are enlarged using inhouse micro EDM (Electri...

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    $6,384.00 - $6,384.00
    $6,384.00
    $6,384.00 - $6,384.00
    $6,384.00
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    Exergy 11-16 Chevrolet Duramax 6.6L LML Reman 60% Over Injector - Set of 8

    Exergy
    $4,800.00 - $4,800.00
    $4,800.00
    $4,800.00 - $4,800.00
    $4,800.00

    Exergy Model E01 10508 Exergy 11-16 Chevy Duramax LML Reman 60% Over Injector (Set of 8) The nozzles are enlarged using abrasive flow honing techno...

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    $4,800.00 - $4,800.00
    $4,800.00
    $4,800.00 - $4,800.00
    $4,800.00
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    Exergy 11-16 Chevrolet Duramax 6.6L LML Reman 100% Over Injector - Set of 8

    Exergy
    $5,112.00 - $5,112.00
    $5,112.00
    $5,112.00 - $5,112.00
    $5,112.00

    Exergy Model E01 10510Exergy 11-16 Chevrolet Duramax 6.6L LML Reman 100% Over Injector - Set of 8 The nozzles are enlarged using abrasive flow honi...

    View full details
    $5,112.00 - $5,112.00
    $5,112.00
    $5,112.00 - $5,112.00
    $5,112.00
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    Exergy 11-16 Chevrolet Duramax 6.6L LML Reman 150% Over Injector - Set of 8

    Exergy
    $5,760.00 - $5,760.00
    $5,760.00
    $5,760.00 - $5,760.00
    $5,760.00

    Exergy Model E01 10514 Exergy 11-16 Chevy Duramax LML Reman 150% Over Injector (Set of 8) The nozzles are enlarged using inhouse micro EDM (Electri...

    View full details
    $5,760.00 - $5,760.00
    $5,760.00
    $5,760.00 - $5,760.00
    $5,760.00
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    Exergy 11-16 Chevrolet Duramax 6.6L LML Reman 45% Over Injector - Set of 8

    Exergy
    $4,696.00 - $4,696.00
    $4,696.00
    $4,696.00 - $4,696.00
    $4,696.00

    Exergy Model E01 10507Exergy 11-16 Chevrolet Duramax 6.6L LML Reman 45% Over Injector - Set of 8 The nozzles are enlarged using abrasive flow honin...

    View full details
    $4,696.00 - $4,696.00
    $4,696.00
    $4,696.00 - $4,696.00
    $4,696.00
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    Exergy 11-16 Chevrolet Duramax 6.6L LML Reman 30% Over Injector - Set of 8

    Exergy
    $4,592.00 - $4,592.00
    $4,592.00
    $4,592.00 - $4,592.00
    $4,592.00

    Exergy Model E01 10506 Exergy 11-16 Chevy Duramax LML Reman 30% Over Injector (Set of 8) At 30% over stock, these are an excellent upgrade for clos...

    View full details
    $4,592.00 - $4,592.00
    $4,592.00
    $4,592.00 - $4,592.00
    $4,592.00

 

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