Garrett PowerMax GT37R Dual Ball-Bearing Turbo (STAGE 3)

98.5-02 Dodge 5.9L Cummins
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Garrett GT37R Stage 3 Turbo Kit

  • 1998.5 - 2002 5.9L Cummins Engine
  • The GT37R dual ball-bearing turbo
  • A Garrett exclusive ball bearing cartridge for unbeatable response, efficiency, and durability. Elimination of the thrust bearing eliminates Failures at elevated boost levels
  • The upgrade results in lower intake and exhaust gas temperatures as well as reduced backpressure for more efficient air flow
  • Water-cooled center section with a patented dual ball-bearing center section results in higher durability and longer turbo life
  • Oil inlet fitting features a built in restrictor for worry-free operation
  • High flow compressor wheels move air quickly and powerfully
  • Maximum recommended boost is 40 psi

    Product Specifications

    Make: Dodge

    Model: Ram 2500 & 3500 Diesel Trucks

    Years: 1998.5 - 2002

    Engine: Cummins 5.9L Turbo Diesel

    Stock Turbo: HX35

    Stock HP@RPM (at wheels) 180@2500

    Stock Torque@RPM (at wheels) 382@2000

    Part # for stage3 turbocharger 751473-0006

    Part # for Stage 3 Complete Kit 759361-0003

    Name: Stage3 (GT3788R with 52 trim comp wheel)

    BB? Yes

    Turbine Hsg A/R 0.99

    Comp Whl mm/trim 88/52

    Turb Whl mm/trim 72.5 / 78

    Upgrade WHP 550

    Upgrade Torque 1200

    Other mods for performance Fuel Pump, injectors, upgrade exhaust, upgrade transmission, etc.

    Max Boost Rec. (Psi) 45

    Advantages of upgrade:

    ball bearing cartridge for unbeatable response, efficiency and durability

    water-cooled center section for increased durability

    Increased compressor flow capability compared to stage 1 and 2

    modern GT-series high-flow compressor and turbine wheel

    Increased turbine flow compared to stages 1 and 2

    Increased compressor wheel size (88mm vs 82mm) compared to stages 1 and 2

    For a given performance level, this upgrade will provide:

    1. Reductions in exhaust backpressure

    2. Reductions in exhaust gas temperatures

    3. Reduction in intake temperature

    This stage offers the highest horsepower potential of the three stages, at the expense of boost response (relative to the others)

    Parts included:

    1. Stage 3 turbocharger (751473-0006)

    2. Oil inlet fitting kit with integrated restrictor

    3. Water line kit

    4. Turbine Inlet Bolts

    5. Installation Instructions

    6. Gasket Kit

    7.Turbine Outlet Adapter Kit

    8. Compressor Housing Clamp



    Additional Information

    Install Sheet
  • Mfg. Number:

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