Product Description
BorgWarner 177208 S300SX3 Exhaust Housing .91 A/R 74mm T4 Divided
The BorgWarner 177208 S300SX3 Exhaust Housing .91 A/R 74mm T4 Divided is a genuine replacement turbine housing designed for BorgWarner AirWerks S300SX3 turbochargers utilizing a 74mm turbine wheel. Featuring a .91 A/R ratio and a divided twin-scroll T4 inlet flange, this housing provides an excellent balance of spool-up, airflow, and drive pressure control for high-performance diesel applications.
Commonly used on S366 and other S300SX3 turbocharger configurations, the BorgWarner 177208 turbine housing is a popular choice for street performance, drag racing, sled pulling, and compound turbocharger systems. Built to BorgWarner's strict manufacturing standards, it offers reliable durability and proper fitment for compatible S300SX3 turbocharger assemblies.
Features
- Genuine BorgWarner AirWerks replacement turbine housing
- Designed for S300SX3 turbochargers with 74mm turbine wheels
- .91 A/R turbine housing ratio
- Twin-scroll divided T4 inlet flange
- Marmon-style V-band turbine outlet
- Durable high-temperature cast construction
- Optimized for improved exhaust flow and spool response
- Ideal for street, competition, and compound turbo applications
- Direct replacement for compatible BorgWarner S300SX3 assemblies
- Engineered for durability in high-boost environments
Fitment
- BorgWarner AirWerks S300SX3 turbochargers
- S366/74 turbocharger configurations
- S300SX3 74mm turbine wheel applications
- Custom diesel performance turbo systems
- Cummins performance builds
- Duramax performance builds
- Power Stroke performance builds
- Street performance diesel applications
- Drag racing and sled pulling builds
- Compound turbocharger systems
Note: This product is a turbine housing only and does not include a complete turbocharger assembly. Verify turbine wheel size, turbine housing specifications, flange configuration, and fitment requirements before ordering.
What's Included
- BorgWarner 177208 Turbine Housing
- .91 A/R Divided T4 Housing
- Marmon-Style V-Band Outlet Configuration
Specifications
- Manufacturer: BorgWarner
- Part Number: 177208
- Product Type: Turbine Housing
- Turbocharger Series: AirWerks S300SX3
- Compatible Turbine Wheel: 74mm
- A/R Ratio: .91
- Inlet Flange: Divided Twin-Scroll T4
- Outlet Style: Marmon-Style V-Band
- Housing Material: High-Temperature Cast Iron
- Application: Diesel Performance and Competition
- Primary Use: Replacement or Custom Turbocharger Builds
- Fitment Type: Universal Performance Application
Cross Reference Numbers
177208, S300SX3 Turbine Housing, S366 Turbine Housing, .91 A/R T4 Housing, BorgWarner S300 Exhaust Housing, AirWerks S300SX3 Housing, 74mm Turbine Housing
FAQ
What turbochargers is the BorgWarner 177208 housing designed for?
This turbine housing is designed for compatible BorgWarner AirWerks S300SX3 turbochargers utilizing a 74mm turbine wheel.
What does the .91 A/R ratio provide?
The .91 A/R housing offers an excellent balance between turbocharger spool-up, exhaust flow, and top-end performance, making it popular for street and competition diesel applications.
Does this housing use a divided T4 flange?
Yes. The BorgWarner 177208 features a twin-scroll divided T4 inlet flange designed to improve exhaust pulse utilization and overall turbocharger efficiency.
Is this a complete turbocharger?
No. This product is the turbine housing only and does not include the compressor housing, rotating assembly, or complete turbocharger.
Can this housing be used in compound turbo systems?
Yes. The 177208 housing is commonly found in high-performance single turbo and compound turbocharger configurations utilizing S300SX3 turbochargers.
What should I verify before ordering?
Always verify turbine wheel size, flange configuration, outlet style, and compatibility with your existing turbocharger before purchasing.
