Product Description
BorgWarner 178855 S400SX Turbocharger S467/83 1.10 A/R T4 Housing
The BorgWarner 178855 S400SX Turbocharger S467/83 1.10 A/R T4 Housing is a proven AirWerks performance turbocharger engineered for high-horsepower diesel applications, drag racing, sled pulling, street performance, and compound turbocharger systems. Featuring a 67mm extended-tip compressor wheel, an 83mm turbine wheel, and a 1.10 A/R divided T4 turbine housing, the 178855 delivers outstanding airflow, quick spool characteristics, and dependable performance for demanding diesel builds.
Built on BorgWarner's legendary S400SX platform, the 178855 is a popular choice for Cummins, Duramax, and Power Stroke enthusiasts seeking a responsive high-performance single turbocharger or a reliable atmospheric charger in compound turbo configurations. Its durable twin hydrodynamic journal bearing center section, anti-surge compressor cover, and proven AirWerks design provide the durability and airflow required for serious horsepower goals.
Features
- Genuine BorgWarner AirWerks S400SX turbocharger
- S467 extended-tip compressor wheel design
- 67mm compressor inducer
- 83mm turbine wheel
- 1.10 A/R divided T4 turbine housing
- Twin hydrodynamic journal bearing system
- Ported-shroud compressor cover for surge resistance
- Adjustable compressor and turbine housing orientation
- Excellent balance of spool-up and airflow
- Ideal for high-performance street and competition builds
- Popular atmospheric charger for compound turbo systems
- Built for extreme diesel performance applications
Fitment
- Universal diesel performance applications
- 5.9L Cummins performance builds
- 6.7L Cummins street and competition applications
- 6.6L Duramax high-performance builds
- 6.0L Power Stroke performance applications
- 6.4L Power Stroke racing builds
- 6.7L Power Stroke custom turbo systems
- Street, drag racing, and sled pulling applications
- Single turbo performance setups
- Compound turbocharger systems
Note: This is a universal performance turbocharger featuring a divided T4 inlet flange. Custom fabrication, manifold compatibility verification, charge piping, oil feed and drain lines, fueling upgrades, tuning, and supporting modifications may be required depending on the application.
What's Included
- BorgWarner 178855 S400SX Turbocharger
- 1.10 A/R Divided T4 Turbine Housing
- Compressor Housing
- Center Housing Rotating Assembly (CHRA)
- Factory Installed Journal Bearing System
Specifications
- Manufacturer: BorgWarner
- Part Number: 178855
- Turbocharger Series: AirWerks S400SX
- Compressor Wheel: S467 Extended-Tip Design
- Compressor Inducer Diameter: 67mm
- Turbine Wheel Diameter: 83mm
- Turbine Housing: Divided 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
- Cooling Type: Oil-Cooled
- Application: Universal Diesel Performance
- Primary Use: High-Performance Single Turbo or Compound Turbo Systems
- Engine Compatibility: Cummins, Duramax, and Power Stroke Performance Builds
Cross Reference Numbers
178855, S467, S467/83, S400SX, AirWerks S400SX, BorgWarner S467 Turbocharger, BorgWarner 1.10 A/R T4 Housing
FAQ
What horsepower range is the BorgWarner 178855 commonly used for?
The S467 platform is commonly used in diesel performance applications ranging from aggressive street builds to competition-oriented setups. Actual horsepower capability depends on fueling, engine configuration, airflow, and tuning.
Is the BorgWarner 178855 a good single turbocharger?
Yes. The S467 is widely regarded as an excellent balance between spool-up, drivability, and top-end airflow, making it a popular choice for high-performance street and strip trucks.
Can this turbocharger be used in a compound setup?
Absolutely. The 178855 is frequently used as the atmospheric turbocharger in compound turbo systems where additional airflow and efficiency are required.
Does this turbo require a divided T4 manifold?
Yes. The 178855 utilizes a divided T4 turbine housing and should be paired with the proper twin-scroll T4 exhaust manifold for optimal performance.
Does the BorgWarner 178855 use ball bearings?
No. This turbocharger uses BorgWarner's proven twin hydrodynamic journal bearing design for durability and long-term reliability.
What supporting modifications are recommended?
Recommended supporting modifications may include upgraded fueling components, custom tuning, intercooler upgrades, charge piping improvements, and exhaust system modifications to maximize performance and reliability.
