BorgWarner Turbine Housing SX S400 T4 A/R .90 Twin Scroll

SKU: 177102 | UPC: 840232706604

BorgWarner Turbine Housing SX S400 T4 A/R .90 Twin Scroll for Cummins 5.9L/6.7L

This BorgWarner turbine housing fits SX S400 frame turbos with T4 twin scroll inlet and A/R .90 design. It delivers faster spool-up and improved exhaust flow for Dodge Ram Cummins 5.9L and 6.7L trucks in performance builds. Pair it with matching S400 center and compressor sections for reliable power gains.

Key Features

• Twin Scroll T4 Inlet: Separates exhaust pulses for reduced backpressure and quicker turbo response on multi-cylinder diesels
• A/R .90 Ratio: Balances low-end torque with top-end power ideal for street and track Cummins applications
• NiResist Material: High-temperature ductile iron withstands extreme heat and pressure in high-boost setups
• V-Band Outlet: Secure leak-free connection simplifies installation and maintenance on S400 turbos
• Direct SX-S400 Fit: Bolts to BorgWarner S400 center housings for seamless upgrades in custom turbo configurations

Product Notes

• Verify center housing and compressor compatibility before purchase
• Inspect gaskets and hardware during assembly for optimal sealing
• Ships via standard ground service with protective packaging

Installation Notes

• Professional installation recommended.
• Torque V-band clamp to 15-20 ft-lbs using anti-seize on threads
• Requires T4 divided exhaust manifold or adapter for twin scroll setup

This Part Fits

Year	Make	Model	Submodel
2004.5-2007	Dodge	Ram 2500	5.9L Cummins
2004.5-2007	Dodge	Ram 3500	5.9L Cummins
2007.5-2018	Dodge/Ram	2500	6.7L Cummins
2007.5-2018	Dodge/Ram	3500	6.7L Cummins
2019-2023	Ram	2500	6.7L Cummins
2019-2023	Ram	3500	6.7L Cummins

Why Choose BorgWarner?

• Leads turbo technology for OEM and racing applications worldwide
• Builds components with precision casting for consistent flow
• Engineers housings tested in extreme diesel competition environments

Frequently Asked Questions

• Q: Does this housing fit stock Cummins turbos?
  A: No it requires BorgWarner S400 series center housing and compressor for proper fit in performance upgrades
• Q: What material is used for heat resistance?
  A: NiResist ductile iron handles EGTs over 1600°F in high-boost diesel setups
• Q: What warranty coverage applies?
  A: 1-year manufacturer defect warranty when installed correctly on compatible turbos

Shipping & Handling

• Method: Standard ground UPS or FedEx
• Availability: In stock – ships same or next business day
• Packaging: Single box 20 x 15 x 14 inches
• Weight: 24 lbs