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. 

All (10)
Sidebar Sidebar Sidebar
  • Cummins ISX Cummins CM2250

    DPS HE400VG Turbo Cummins ISX | 2882112

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

    $3,495.00
  • Non-EGR Cummins ISX Manifold isx cummins manifold

    T6 Exhaust Manifold for Cummins ISX fits S400

    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...

    $1,395.00 - $1,645.00
  • SGT0283 SGT0284

    S400 Cummins ISX Turbo Conversion Kit - ISX-15

    S400 Cummins ISX Turbo Conversion Kit | T6 Turbo Piping KitUpgrading 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 own...

    $1,899.00
  • DPS TURBONATOR VGT ISX Cummins DPS TURBONATOR VGT Turbo for CAT

    Turbonator® VGT S400 T6 Turbos

    (2)

    TURBONATOR® VGT S475 | S478 | S480 | S483 | T6 TurbosDiscover 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 for a boost in...

    (2)

    $3,549.00
  • S480 Turbo T6 S478 TURBO T6

    Turbonator® VGT Housing | Fits S400 T6 Turbos

    (2)

    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...

    (2)

    $2,299.00
  • Cummins ISX HE400VG turbo

    HE451VE | HE400VG Turbo for Cummins ISX15

    Cummins ISX 15 HE400VG Turbo Replacement for OEM Holset 2882112 Upgrade your truck with the Diesel Power Source HE400VG Turbocharger for Cummins ISX15 engines. This high-performance Cummins ISX15 turbo is the perfect direct replacement for the...

    $3,495.00
  • CAT TURBO C15 C14 3406 CATERPILLAR DPS VGT for Cat Turbo

    Turbonator® VGT for CAT Turbo C15 C14 3406 Caterpillar

    (2)

    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...

    (2)

    $3,649.00

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.