Product Description
BorgWarner 176809 S400 Turbine Housing 83mm .90 A/R T6 Housing
The BorgWarner 176809 S400 Turbine Housing 83mm .90 A/R T6 Housing is a genuine BorgWarner replacement turbine housing engineered for S400-series turbochargers utilizing an 83mm turbine wheel. Featuring a .90 A/R ratio and T6 inlet flange, this housing is designed to improve turbocharger response while maintaining strong exhaust flow characteristics for high-performance diesel applications.
Popular among diesel performance enthusiasts, the BorgWarner 176809 turbine housing is commonly used in custom turbocharger builds, turbo upgrades, and compound turbo systems where a tighter A/R ratio is desired for improved spool-up characteristics. Manufactured to BorgWarner's exact standards, this housing delivers proven durability, precise fitment, and reliable performance in demanding street, racing, sled pulling, and competition environments.
Features
- Genuine BorgWarner S400 turbine housing
- Designed for S400 turbochargers with 83mm turbine wheels
- .90 A/R turbine housing ratio
- T6 inlet flange configuration
- Precision cast construction for durability
- Improves spool-up characteristics compared to larger A/R housings
- Excellent for custom turbocharger applications
- Ideal for diesel performance and racing builds
- Compatible with many BorgWarner AirWerks S400 turbochargers
- Built to OEM BorgWarner specifications
Fitment
- BorgWarner S400 turbochargers utilizing 83mm turbine wheels
- AirWerks S400 performance turbocharger applications
- Custom diesel performance turbo systems
- Compound turbocharger systems
- Cummins performance builds
- Duramax performance builds
- Power Stroke performance builds
- Drag racing applications
- Sled pulling applications
- Custom fabricated turbocharger projects
Note: Proper turbine wheel sizing and turbocharger compatibility should be verified before ordering. This housing is intended for S400 turbochargers utilizing an 83mm turbine wheel and a T6 mounting configuration.
What's Included
- BorgWarner 176809 S400 Turbine Housing
- Factory Machined Turbine Housing Assembly
Specifications
- Manufacturer: BorgWarner
- Part Number: 176809
- Component Type: Turbine Housing
- Turbocharger Series: AirWerks S400
- Turbine Wheel Compatibility: 83mm
- A/R Ratio: .90
- Inlet Flange: T6
- Construction: High-Strength Cast Iron
- Application: Performance Diesel Turbocharger Systems
- Primary Use: Turbocharger Replacement or Upgrade
Cross Reference Numbers
176809, BorgWarner 176809, S400 Turbine Housing, S400 83mm Housing, .90 A/R T6 Housing, AirWerks S400 Turbine Housing
FAQ
What turbochargers does the BorgWarner 176809 fit?
This turbine housing is designed for BorgWarner S400-series turbochargers utilizing an 83mm turbine wheel. Always verify turbine wheel dimensions and housing compatibility before purchasing.
What does the .90 A/R ratio provide?
A .90 A/R turbine housing generally improves turbocharger spool-up and responsiveness compared to larger A/R housings while still supporting strong exhaust flow for high-performance applications.
Is this a genuine BorgWarner housing?
Yes. The 176809 is a genuine BorgWarner turbine housing manufactured to OEM specifications for S400-series turbochargers.
Can this housing be used in compound turbo systems?
Yes. Many builders use S400 turbine housings in compound turbocharger configurations depending on their overall turbocharger combination and performance goals.
Does this housing include mounting hardware?
No. Unless otherwise specified, this listing is for the turbine housing only. Installation hardware and related components may need to be purchased separately.
Is this housing suitable for racing applications?
Yes. The BorgWarner 176809 is commonly used in drag racing, sled pulling, street performance, and high-horsepower diesel competition builds.
