Semi Class 8 & 7 Turbos

Welcome to Diesel Power Source, your ultimate destination for Semi Turbo Truck Performance upgrades! Explore our premium selection of aftermarket parts designed to enhance your diesel truck’s power, efficiency, and reliability, from exhaust systems to turbochargers. 

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  • Cummins ISX Cummins CM2250

    DPS HE400VG Turbo Cummins ISX | 2882112

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    Cummins ISX HE400VG / HE451VE 67mm Turbocharger Replacement for Holset 2882112  for 2016-2024 Truck years  Upgrade your Cummins ISX 15 truck with the Diesel Power Source HE400VG Cummins ISX Turbo (2882112). This X15 turbo is a direct...

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    $3,495.00
  • ISX15 exhaust manifold X15 exhaust manifold

    DPS Cummins ISX15 | X15 Exhaust Manifold

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    DPS Performance Replacement Manifold for Cummins ISX15 | X15 Exhaust Manifold -Cummins ISX Manifold  Optimize your Cummins ISX15 and X15 engines with the DPS EGR Exhaust Manifold. Engineered to maximize airflow and reduce turbo lag, this manifold...

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    $1,095.00
  • isx cummins manifold Cummins ISX15 X15

    T6 Exhaust Manifold for Cummins ISX fits S400

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    T6 Cummins ISX Manifold fits S400 & S410 Cummins ISX15 | X15 (Not a Stock Replacement) Upgrade Your 2008 - 2024 ISX15 Exhaust Manifold for Performance with DPS T6 Exhaust Manifold for Deleted Semis! Key Features of the 2008-2024 ISX15...

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    $1,049.00 - $1,299.00
  • SGT0296 SGT0297

    S400 Cummins ISX Turbo Conversion Kit - ISX-15

    S400 Cummins ISX Turbo Conversion Kit | T6 Turbo Piping Kit Upgrading your your factory SEMI turbo? The DPS Cummins ISX Turbo Conversion kit fits ISX 15 and X-15 powered trucks, and provides everything necessary for S400 ISX Turbo Conversion. Use your...

    $1,899.00
  • 171702 turbo s480 turbo

    S400 Turbo Kit for T6 ISX | 171702

    S400 Turbo Kit for T6 ISX | S475 | S478 | S480     Upgraded 171702 Turbocharger The DPS upgraded S400 Turbo Kit for T6 ISX - X15, designed to directly replace the 171702 BorgWarner turbo found on Detroit Series 60 engines. This turbo...

    $1,499.00 - $1,699.00
  • TURBONATOR VGT S478 Turbo TURBONATOR VGT Turbo for CAT

    Turbonator® VGT S400 T6 Turbos

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    TURBONATOR® VGT S475 | S478 | S480 | S483 | T6 Turbos Discover how well S400 turbos can perform and spool-up, when they come with the Turbonator® VGT—the ultimate upgrade for your diesel truck. Whether you're towing heavy loads or looking...

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    $3,549.00 - $3,849.00
  • S480 Turbo T6 S478 TURBO T6

    Turbonator® VGT Housing | Fits S400 T6 Turbos

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    Turbonator® VGT Turbocharger|For S400 Turbos T6 | VGT Exhaust Housing OnlyImprove Spool-Up, Mileage and Engine Braking by adding our VGT housing to your S400 or S410 Turbo! Discover how well S400 turbos can perform and spool-up, when you add our...

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    $2,299.00
  • CAT TURBO C15 C14 3406 CATERPILLAR DPS VGT for Cat Turbo

    Turbonator® VGT for CAT Turbo C15 C14 3406 Caterpillar

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    Upgrade Your CAT Engine With DPS Turbonator VGT Turbo For C15, Caterpillar, And MoreLooking for the perfect upgrade for your CAT engine? The wait is over! Introducing the long-awaited T6 Turbonator VGT in the Borg Warner S400 Turbo platform. Upgrade your...

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    $3,649.00 - $3,749.00
  • X15 Exhaust Manifold Hardware Kit ISX15 Manifold Gasket Kit

    Cummins ISX15 | X15 Exhaust Manifold Hardware Kit

    DPS for Cummins ISX15 | X15 Complete Exhaust Manifold Hardware Kit Engineered for the 2010-2024 Cummins ISX15 and X15 models, this comprehensive exhaust manifold hardware kit is your go-to solution when replacing your cylinder head. Ensure your engine...

    $195.00
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  • ISX15 T6 spacer & bolt kit

    Cummins ISX15 | X15 Exhaust Manifold Bolt & Spacer Kit

    DPS Upgraded Exhaust Manifold Spacers & Bolts Kit for Cummins ISX 15 and X15 Engines from 2010-2024. 3679445, 27AM12Crafted with superior strength to outperform OEM specifications, these spacers significantly reduce the risk of bolt and stud breakage...

    $159.00
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  • Cummins ISX Manifold to head gasket kit

    Exhaust Manifold to Head Gasket Kit for Cummins ISX15 | X15

    Exhaust Manifold Cummins ISX Gasket Kit for Cummins ISX15 | X15Engines Enhance the durability and performance of your Cummins ISX15 | X15 Exhaust Manifold Gasket Kit. Designed specifically for the rigorous demands of Cummins ISX and ISX15 engines, this...

    $99.00
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  • Cummins ISX15 | X15 Manifold Gasket & Turbo Flange Kit ISX 15 Gasket and Flange

    Cummins ISX15 | X15 Manifold Gasket & Turbo Flange Kit

    Cummins IS X15 | ISX15 Manifold Gasket & Turbo Flange Kit Maximize the efficiency and longevity of your Cummins engine with our premium Cummins ISX15 | X15 Manifold Gasket & Turbo Flange Kit. Specially designed for ISX and ISX15 engines, this kit...

    $106.99
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Signs of a Bad Turbo on a Semi Truck

Keeping your semi truck's turbocharger in good shape is crucial for smooth performance. Here are some common signs it might be failing:

  1. Less Power: If your truck struggles to accelerate or maintain speed, the turbo could be to blame.
  2. Darker Exhaust Smoke: Look out for thicker, darker exhaust smoke, which could mean oil is leaking into the exhaust due to turbo issues.
  3. Weird Noises: Listen for strange sounds like whining or grinding coming from the engine or turbo area.
  4. Worse Gas Mileage: A faulty turbo can lead to worse fuel efficiency, so keep an eye on your mileage.
  5. Delayed Power: If there's a noticeable lag between hitting the gas and feeling a boost in power, your turbo might be acting up.
  6. Check Engine Light: Don't ignore a lit-up check engine light—it could be a sign of turbo trouble.
  7. Leaks: Watch for oil or coolant leaks around the turbocharger, which could indicate seal or gasket problems.

What are the benefits of upgrading to a high-performance turbocharger for my semi truck?

  • Upgrading to a high-performance turbocharger can offer several benefits, including increased horsepower and torque, improved fuel efficiency, quicker throttle response, reduced turbo lag, enhanced towing capability, and overall better engine performance. Additionally, high-performance turbos are often designed for greater durability and reliability, ensuring long-term value for the enthusiast.