Turbo Charger S300G Dodge/Cummins Truck 5.9L/ISB B-Series 2004> 174430

Explore Diesel Performance Parts & Tuning Categories

Overview

The Turbo Charger S300G (Part No. 174430) is a genuine BorgWarner OEM performance turbocharger built for the Dodge/Cummins Truck 5.9L ISB B-Series (2004 onwards). It delivers exceptional airflow, faster spool times, and long-term reliability—ideal for enthusiasts or heavy-duty operators chasing up to 400 horsepower.

BorgWarner engineered the S300G with a high-efficiency bearing system and precision-balanced components that improve boost response and lower exhaust gas temperatures. Whether towing, off-roading, or daily driving, this turbo ensures consistent performance and durability under demanding conditions.

Key Features

• Genuine BorgWarner OEM S300G turbocharger (Part No. 174430)
• Supports up to 400 wheel horsepower with faster throttle response
• High-flow compressor and turbine wheels increase boost efficiency
• Robust journal bearing system extends service life
• Drop-in replacement design simplifies installation
• Enhanced thermal and mechanical reliability under heavy load
• Fits HX40-style downpipes with minor fitting adjustments
• Perfect choice for high-performance builds and towing upgrades

Specifications

• Manufacturer: BorgWarner
• Part Number: 174430
• Model: S300G / S300GX
• Compressor Wheel Inducer: 57.1 mm
• Compressor Wheel Exducer: 83.5 mm
• Turbine Wheel Exducer: 64.5 mm
• Turbine Wheel Diameter: 74.1 mm
• Turbine Housing A/R: 0.80
• Bearing Type: Journal / hydrodynamic
• Power Capability: Up to 400 HP

What’s in the Box

• BorgWarner S300G Turbocharger Assembly
• Wastegate Actuator (if applicable)
• Oil inlet and outlet gaskets
• Compressor cover O-ring and seals
• Installation guide and fitting instructions

Compatibility

The S300G turbocharger suits Dodge/Cummins 5.9L ISB B-Series engines (2004 onwards) and works as a performance upgrade for OEM setups. It fits applications that use a HX40-style downpipe. Check oil feed and drain fittings before installation to ensure proper sealing and alignment.

Compatible with:

• Dodge RAM 2500 / 3500 5.9L Cummins (2004–2007)
• Cummins ISB 5.9L Industrial and Marine variants (where applicable)
• Custom diesel performance builds using 5.9L B-Series engines

Delivery & Lead Times

Most BorgWarner products are in stock and ship immediately. When unavailable, allow 3–7 business days for delivery. Orders ship securely across Australia, and freight is free for purchases over $249. Customers receive tracking details as soon as dispatch occurs.

Professional Fitting Service on the Sunshine Coast

Sunshine Coast Diesel Tuning provides full professional installation and dyno tuning for turbo upgrades. Our skilled technicians fit and calibrate your new S300G turbo to maximise boost efficiency, drivability, and reliability. Visit our workshop or book a fitting today to experience expert service and precision results.