Genuine BorgWarner S400SX4 75mm Turbocharger The Genuine BorgWarner S400SX4 Turbocharger (171702) is built for serious diesel performance, delivering exceptional airflow, durability, and efficiency for high-horsepower street, towing, competition, and custom engine applications. Featuring a 75mm Extended Tip Technology (ETT) compressor wheel, a 96mm turbine wheel, and a 1.32 A/R twin-scroll turbine housing, this turbocharger offers outstanding performance across a wide operating range. Designed around BorgWarner's proven AirWerks platform, the S400SX4 utilizes twin hydrodynamic journal bearings, an advanced SX4 compressor wheel, and anti-surge compressor cover technology to improve airflow, compressor efficiency, and boost response while maintaining exceptional reliability. Whether you're building a high-performance street truck, dedicated tow rig, drag truck, or sled puller, the S400SX4 is engineered to handle demanding horsepower levels with confidence. Features Genuine BorgWarner AirWerks S400SX4 turbocharger 75mm Extended Tip Technology (ETT) compressor wheel 96mm turbine wheel 1.32 A/R twin-scroll turbine housing Twin hydrodynamic journal bearing design SX4 compressor wheel for increased airflow and efficiency Compressor cover with anti-surge recirculation grooves Adjustable compressor and turbine housing orientation Half Marmon turbine outlet Built for high-horsepower diesel performance applications Specifications Compressor Wheel Inducer: 75 mm Compressor Wheel Exducer: 100 mm (3.94") Turbine Wheel Inducer: 96 mm Turbine Wheel Exducer: 88 mm (3.47") Turbine Housing: Twin Scroll Turbine Housing A/R: 1.32 Turbine Outlet: Half Marmon Original Turbine Housing: BorgWarner 171698 Applications High-performance diesel street trucks Heavy-duty towing applications Competition and drag racing trucks Sled pulling Custom diesel engine builds BorgWarner Part Number: 171702 OEM Cross References 171702 Fitment Note: This turbocharger is intended for custom performance applications and is not a direct replacement for a specific OEM vehicle. Compatibility depends on your engine combination, exhaust manifold, and installation requirements. The standard configuration includes BorgWarner turbine housing 171698. If you require a different turbine housing or need assistance selecting the correct S400SX4 configuration, contact Industrial Injection before ordering.
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