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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
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