Product Description
BorgWarner 176806 S400SX4 Turbocharger S475/83 1.10 A/R T4 Housing
The BorgWarner 176806 S400SX4 Turbocharger S475/83 1.10 A/R T4 Housing is a high-performance AirWerks turbocharger engineered for serious diesel enthusiasts seeking exceptional airflow, fast spool-up, and reliable horsepower. Featuring a 75mm S475 compressor wheel, an 83mm turbine wheel, and a 1.10 A/R twin-scroll T4 turbine housing, the 176806 delivers outstanding performance for street, strip, sled pulling, and compound turbocharger applications.
Built on BorgWarner's proven AirWerks S400SX4 platform, the 176806 combines advanced compressor aerodynamics, a durable journal bearing center section, and excellent surge resistance for dependable operation under extreme conditions. Whether used as a powerful single turbocharger or as the atmospheric charger in a compound setup, the S475/83 offers an excellent balance of drivability and horsepower potential for Cummins, Duramax, and Power Stroke performance builds.
Features
- Genuine BorgWarner AirWerks S400SX4 turbocharger
- S475 forged milled compressor wheel design
- 75mm compressor inducer
- 83mm turbine wheel
- 1.10 A/R twin-scroll T4 turbine housing
- Twin hydrodynamic journal bearing system
- Advanced compressor wheel aerodynamics for improved efficiency
- Ported-shroud compressor cover for surge resistance
- Adjustable compressor and turbine housing orientation
- Excellent for high-horsepower single turbo applications
- Ideal atmospheric charger for compound turbo systems
- Built for durability in demanding diesel environments
Fitment
- Universal diesel performance applications
- 5.9L Cummins performance builds
- 6.7L Cummins street and competition builds
- 6.6L Duramax performance applications
- 6.0L Power Stroke performance builds
- 6.4L Power Stroke racing applications
- 6.7L Power Stroke custom turbo systems
- Single turbo performance setups
- Compound turbocharger systems
- Custom fabricated diesel performance projects
Note: This turbocharger utilizes a twin-scroll T4 inlet flange and is intended for custom diesel performance applications. Supporting modifications including fueling upgrades, tuning, charge piping, exhaust modifications, and proper oil supply components may be required.
What's Included
- BorgWarner 176806 S400SX4 Turbocharger
- 1.10 A/R Twin-Scroll T4 Turbine Housing
- Compressor Housing
- Center Housing Rotating Assembly (CHRA)
- Factory Installed Journal Bearing System
Specifications
- Manufacturer: BorgWarner
- Part Number: 176806
- Turbocharger Series: AirWerks S400SX4
- Compressor Wheel: S475 Forged Milled Design
- Compressor Inducer Diameter: 75mm
- Turbine Wheel Diameter: 83mm
- Turbine Housing: Twin-Scroll T4
- A/R Ratio: 1.10
- Bearing System: Twin Hydrodynamic Journal Bearings
- Housing Orientation: Adjustable Compressor and Turbine Housings
- Compressor Cover: Ported-Shroud Anti-Surge Design
- Application: Universal Diesel Performance
- Primary Use: High-Horsepower Single Turbo or Compound Turbo Systems
- Engine Compatibility: Cummins, Duramax, and Power Stroke Performance Builds
Cross Reference Numbers
176806, S475, S475/83, AirWerks S400SX4, BorgWarner S400SX4, BorgWarner S475 Turbocharger
FAQ
What makes the BorgWarner 176806 different from earlier S400 models?
The S400SX4 platform incorporates improved compressor wheel aerodynamics and updated compressor technology, providing increased airflow efficiency and enhanced overall performance compared to earlier S400 generations.
Can the BorgWarner 176806 be used as a single turbocharger?
Yes. The S475/83 configuration is commonly used in high-performance diesel applications as a standalone turbocharger when paired with proper fueling, tuning, and supporting modifications.
Is the 176806 a good compound turbocharger?
Absolutely. The S475 is one of the most popular atmospheric turbochargers used in compound turbo systems because of its excellent airflow capability and proven reliability.
Does this turbocharger require a T4 manifold?
Yes. The 176806 uses a twin-scroll T4 turbine housing and should be paired with a compatible T4 exhaust manifold for proper installation and performance.
Does the BorgWarner 176806 utilize ball bearings?
No. This turbocharger uses BorgWarner's proven twin hydrodynamic journal bearing system designed for durability and long service life.
What supporting modifications are recommended?
Recommended supporting modifications may include upgraded injectors, lift pump upgrades, custom tuning, intercooler improvements, charge piping upgrades, and exhaust system modifications depending on the intended power level.
