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Suspension & Steering 8 subcategories Open to View SubCategories Close to Hide SubCategories

The 2017-2019 GM HD retains torsion-bar independent front suspension with steering and control-arm geometry sensitive to tire size and leveling height.

Match upper control arms, tie rods, idler and pitman support, torsion settings, and shocks to 2500HD or 3500HD load and alignment needs.

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Engine & Performance 12 subcategories Open to View SubCategories Close to Hide SubCategories

The first L5P Duramax introduced a Denso common-rail fuel system, revised variable-geometry turbo, stronger engine architecture, and complete modern aftertreatment.

Year-correct filtration, charge-air sealing, cooling, crankcase ventilation, emissions health, and pressure and temperature monitoring support reliable power.

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Transmission 3 subcategories Open to View SubCategories Close to Hide SubCategories

The 2017-2019 L5P uses the six-speed Allison 1000 with calibration and hard parts matched to the engine's higher factory torque.

Converters, coolers, valve-body support, service parts, and tuning must be selected for the six-speed rather than the later ten-speed transmission.

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Wheels & Tires 3 subcategories Open to View SubCategories Close to Hide SubCategories

SRW L5P trucks use the 8-on-180-millimeter pattern, while DRW wheels differ in offset, mounting, and load requirement.

Verify brake clearance, suspension travel, steering clearance, and tire load rating before fitting wider or taller combinations.

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Axles & Gears 4 subcategories Open to View SubCategories Close to Hide SubCategories

The 2017-2019 HD axle package varies by 2500HD or 3500HD, SRW or DRW, drive type, ratio, and locking-differential equipment.

Use the axle tag and build data to match gears, lockers, covers, hubs, bearings, and service components.

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More 14 subcategories Open to View SubCategories Close to Hide SubCategories

Trailer cameras, bed and auxiliary fuel equipment, lighting, recovery hardware, and detailed engine and transmission monitoring complement the L5P's towing capability.

Use 2017-2019 body and network-compatible electrical interfaces because later 2020-up HD mounting and wiring changed substantially.

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2017 TO 2019 CHEVY AND GMC 6.6L L5P DURAMAX PARTS AND PERFORMANCE UPGRADES

The 2017 Duramax model year marked a significant leap forward in GM’s diesel lineup. Released in 2017, this engine came out strong with 445 horsepower, establishing itself as a class leader. Despite rumors of a potential displacement increase, GM stuck with the 6.6L configuration, focusing instead on overhauling key engine components and boosting overall durability.

L5P DURAMAX ENGINE DESIGN AND FACTORY IMPROVEMENTS

The 2017 - 2019 Duramax engine received a number of critical upgrades, from a stronger block and crankshaft to reinforced rods and remelted pistons. The fuel system was redesigned for more efficient delivery, while the camshaft profile was adjusted for optimized performance. Even the transmission saw improvements, with the revised Allison 1000 transmission built to handle the additional power.

  • POWERTRAIN STRENGTH, COOLING, AND AIRFLOW ENHANCEMENTS

Not to mention, the hood scoop on the 2017 - 2019 Chevy Duramax and 2017 - 2019 GMC Duramax is fully functional, increasing airflow by 60% and ensuring the engine runs cooler even under heavy loads. With these factory upgrades, the L5P Duramax is primed for additional aftermarket enhancements that can take your truck to the next level.

KEY PERFORMANCE UPGRADES FOR 2017 TO 2019 6.6L DURAMAX

Looking to increase the power and efficiency of your 2017 - 2019 Duramax truck? These performance upgrades will help you get the most out of your ride:

  • Injectors:

    Fuel Injector Upgrades for 2017 to 2019 L5P Duramax: Over time, injectors can lose their efficiency. Upgrading to high-performance injectors will restore power and ensure optimal fuel delivery, improving performance for your 2017 - 2019 Chevy Duramax.

  • Turbo Upgrades:

    Turbhocharger Upgrades for L5P Duramax: Turbo upgrades provide significant power gains and improve throttle response for your 2017 - 2019 GMC Duramax, making it more responsive, especially when towing.

  • Exhaust Systems:

    Exhaust Systems for 2017 to 2019 Duramax Trucks: A high-flow exhaust system reduces backpressure and improves the overall efficiency of your 2017 - 2019 6.6 Duramax, ensuring cooler EGTs and better performance.

  • Cold Air Intakes:

    Cold Air Intake Systems for L5P Duramax: A cold air intake system helps your 2017 - 2019 L5P Duramax pull in cooler air, improving combustion and resulting in more power and better fuel economy.

  • Performance Chips:

    Performance Tuners and Chips: Adding a performance chip lets you fine-tune the settings on your 2017 - 2019 Duramax, allowing you to customize it for various driving conditions or power needs.

WHY CHOOSE 2017 TO 2019 L5P DURAMAX PARTS FROM DIESEL POWER PRODUCTS?

At Diesel Power Products, we understand the ins and outs of the 2017 - 2019 L5P Duramax engine. Our team of experts has curated a selection of performance parts designed to enhance the power, efficiency, and durability of your truck. Whether you’re upgrading for more horsepower, towing capacity, or fuel efficiency, our Duramax parts are tested to meet the highest performance standards.

We take pride in providing not just parts but also expertise. Our diesel enthusiasts are here to answer any questions you may have and help you select the right upgrades for your specific needs. Whether you’re driving a 2017 - 2019 Chevy Duramax or a 2017 - 2019 GMC Duramax, we’re here to ensure you get the most out of your truck.

SHOP 2017 TO 2019 CHEVY AND GMC 6.6L L5P DURAMAX PARTS AT DIESEL POWER PRODUCTS

Ready to upgrade your 2017 - 2019 Duramax? Diesel Power Products offers an extensive range of parts and upgrades tailored to the 2017 - 2019 L5P Duramax. From injectors and turbo kits to cold air intakes and exhaust systems, we have everything you need to keep your Duramax performing at its best. Not sure which parts are right for your truck? Check out our FAQs or give us a call—we’re happy to help.

If you've got a question about your Duramax, feel free to give us a call at 888-99-DIESEL or shoot an e-mail to cs@dieselpowerproducts.com and we would be happy to assist.