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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  • 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 Optimize your Cummins ISX15 and X15 engines with the DPS EGR Exhaust Manifold. Engineered to maximize airflow and reduce turbo lag, this manifold helps your engine perform at...

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    $1,095.00
  • Non-EGR Cummins ISX Manifold isx cummins manifold

    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 Manifold:Lowers...

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    $1,049.00 - $1,299.00
  • ISX15 T6 spacer & bolt kit

    Cummins ISX15 | X15 Exhaust Manifold Bolt & Spacer Kit

    DPS Upgraded Exhaust Manifold Spacers & Bolts Kit designed specifically for Cummins ISX and X15 Engines from 2010-2024. 3679445, 27AM12 Crafted with superior strength to outperform OEM specifications, these spacers significantly reduce the risk of...

    $159.00
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  • 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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  • Cummins ISX Manifold to head gasket kit

    Exhaust Manifold to Head Gasket Kit for Cummins ISX15 | X15

    Exhaust Manifold Gasket Kit for Cummins ISX15 | X15 Engines 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 kit ensures...

    $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 ISX15 | X15 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 is...

    $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.