Product Description
BorgWarner 177281 S300SX3 Turbocharger S366/74 .88 A/R T4 Housing
The BorgWarner 177281 S300SX3 Turbocharger S366/74 .88 A/R T4 Housing is a genuine AirWerks performance turbocharger designed for street performance, drag racing, sled pulling, towing applications, and compound turbocharger systems. Featuring a 66mm extended-tip compressor wheel, a 74mm turbine wheel, and a responsive .88 A/R T4 turbine housing, the 177281 delivers excellent spool-up characteristics, strong mid-range power, and proven reliability for diesel performance enthusiasts.
Built on BorgWarner's legendary S300SX3 platform, the 177281 is a popular choice for Cummins, Duramax, and Power Stroke builds seeking a versatile turbocharger that balances drivability with horsepower potential. Its durable twin hydrodynamic journal bearing system, surge-resistant compressor cover, and proven AirWerks design make it one of the most trusted S300-series turbochargers available.
Features
- Genuine BorgWarner AirWerks S300SX3 turbocharger
- S366 extended-tip compressor wheel design
- 66mm compressor inducer
- 74mm turbine wheel
- .88 A/R T4 turbine housing
- Twin hydrodynamic journal bearing system
- Oil-cooled center housing design
- Ported-shroud compressor cover for surge resistance
- Excellent spool-up and street performance characteristics
- Ideal for towing, street, and competition applications
- Popular choice for compound turbocharger 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
- Street performance turbo setups
- Towing and daily-driven diesel applications
- Compound turbocharger systems
Note: This is a universal performance turbocharger. Installation may require custom exhaust components, T4 manifold compatibility, charge piping, oil feed and drain lines, tuning, fueling upgrades, and supporting modifications depending on the application.
What's Included
- BorgWarner 177281 S300SX3 Turbocharger
- .88 A/R T4 Turbine Housing
- Compressor Housing
- Center Housing Rotating Assembly (CHRA)
- Factory Installed Journal Bearing System
Specifications
- Manufacturer: BorgWarner
- Part Number: 177281
- Turbocharger Series: AirWerks S300SX3
- Compressor Wheel: S366 Extended-Tip Design
- Compressor Inducer Diameter: 66mm
- Compressor Exducer Diameter: Approximately 91mm
- Turbine Wheel Diameter: 74mm
- Turbine Housing: T4
- A/R Ratio: .88
- Bearing System: Twin Hydrodynamic Journal Bearings
- Cooling Type: Oil-Cooled Center Section
- Compressor Cover: Ported-Shroud Anti-Surge Design
- Housing Orientation: Adjustable Compressor and Turbine Housings
- Application: Universal Diesel Performance
- Primary Use: Street Performance, Towing, Racing, and Compound Turbo Systems
- Engine Compatibility: Cummins, Duramax, and Power Stroke Performance Builds
Cross Reference Numbers
177281, S366, S366/74, AirWerks S300SX3, BorgWarner S366, S300SX3 Turbocharger, BorgWarner 177280, BorgWarner 177272, BorgWarner 177283
FAQ
What horsepower can the BorgWarner 177281 support?
Horsepower capability depends on engine configuration, fueling, tuning, and supporting modifications. The S366 platform is commonly used in performance diesel applications ranging from aggressive street builds to competition-focused setups.
Is the BorgWarner 177281 a good towing turbo?
Yes. The .88 A/R turbine housing offers responsive spool-up and strong drivability, making it a popular choice for towing, daily driving, and street performance applications.
Can this turbo be used in a compound turbo setup?
Yes. The S366 is frequently used as either a high-pressure or atmospheric charger in compound turbo systems depending on the overall turbo configuration.
Does the BorgWarner 177281 use ball bearings?
No. The 177281 utilizes BorgWarner's proven twin hydrodynamic journal bearing design for long-term reliability and durability.
Will this turbo bolt directly onto my truck?
No. This is a universal performance turbocharger and typically requires custom fabrication, tuning, piping, and supporting modifications for installation.
What makes the S300SX3 platform popular?
The S300SX3 platform is known for excellent spool-up characteristics, strong airflow capability, proven reliability, and versatility across street, towing, racing, and compound turbocharger applications.
