SKU: 177103 | UPC: 840232706697
BorgWarner Turbine Housing SX S400 T4 A/R 1.00 83/74mm Twin Scroll for 2003-2023 Dodge Ram Cummins 5.9L/6.7L
This BorgWarner turbine housing equips SX S400 turbochargers with T4 twin scroll inlet and A/R 1.00 ratio for diesel trucks seeking higher power. It fits modified Dodge Ram 2500/3500 Cummins 5.9L and 6.7L engines in performance builds. Expect quicker spool-up reduced backpressure and sustained power through 1200 HP.
Key Features
- Twin Scroll T4 Inlet: Separates exhaust pulses to deliver faster turbo response and wider torque curve across RPM range
- A/R 1.00 Ratio: Provides balanced exhaust flow for strong mid-range pull and top-end capability in 800-1200 HP applications
- 83/74mm Turbine Size: Supports massive airflow while maintaining drive efficiency for street and track diesel setups
- NiResist Cast Iron Build: Resists high heat and thermal distortion for long-term durability under extreme boost conditions
- V-Band 4.0" Outlet: Ensures leak-free connections with quick-clamp design for simplified assembly and maintenance
Product Notes
- Pair with matching SX S400 center housing rotating assembly for complete turbo
- Inspect manifold flange alignment prior to install to avoid leaks
- Standard ground shipping applies nationwide
Installation Notes
- Professional installation recommended.
- Requires S400 frame CHRA with 83/74mm turbine wheel
- Bolts to T4 divided manifolds common on Cummins performance kits
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003-2007 | Dodge | Ram 2500 Pickup | 5.9L Diesel |
| 2003-2007 | Dodge | Ram 3500 Pickup | 5.9L Diesel |
| 2004-2007 | Dodge | Ram 2500 Mega Cab | 5.9L Diesel |
| 2004-2007 | Dodge | Ram 3500 Mega Cab | 5.9L Diesel |
| 2007-2018 | Dodge | Ram 2500 Pickup | 6.7L Diesel |
| 2007-2018 | Dodge | Ram 3500 Pickup | 6.7L Diesel |
| 2007-2018 | Dodge | Ram 3500 Mega Cab | 6.7L Diesel |
Why Choose BorgWarner?
- Supplies turbos to major OEMs including Cummins factory programs
- Track-tested in NHRA Pro Stock and diesel sled pulling wins
- Machined to micron tolerances for perfect balance and longevity
Frequently Asked Questions
-
Q: Will this housing fit 2004-2007 5.9L Cummins Ram trucks?
A: Yes it bolts to T4 twin scroll manifolds in S400 turbo conversions on 2004-2007 Ram 2500/3500 5.9L Cummins with matching CHRA -
Q: What material is used for heat resistance?
A: NiResist high-chrome cast iron handles EGTs over 1800°F without warping or cracking -
Q: Is special tuning needed after install?
A: ECU tuning required to match increased boost and airflow recalibrate fuel and timing for safe operation
Shipping & Handling
- Method: Standard ground freight
- Availability: In stock - ships same or next business day
- Packaging: Foam-protected in 14 x 14 x 14 inch box
- Weight: 20 lbs
BorgWarner
BorgWarner turbochargers and turbo components are stocked at Black Ops Auto Works for LS, Coyote, 2JZ, EJ, K-series, Audi Volkswagen, Cummins, Power Stroke, and Duramax builds. Shop EFR turbochargers, S200, S300, S400 units, replacement turbos, SuperCore assemblies, cartridges, turbine housings, compressor covers, wastegates, oil lines, V-band hardware, boost control parts, turbo blankets, charge pipes, intercoolers, and turbo manifolds built around real enthusiast applications. Black Ops Auto Works carries 122 BorgWarner SKUs across gasoline performance, diesel upgrades, replacement turbo, and supporting component categories. Use year, make, model, trim, engine, and drivetrain filters to confirm the correct part before ordering. What BorgWarner Covers EFR and S-Series Turbochargers BorgWarner EFR and S-Series offerings support compact import builds, V8 swaps, and high-output diesel applications. The catalog includes complete turbochargers, SuperCore assemblies, cartridges, turb...
View BorgWarner Products
Forced Induction
Forced induction is the fastest way to add real power to an engine without adding displacement, and this collection covers the full range of turbocharger, supercharger, intercooler, and boost control hardware needed to build a reliable boosted platform. Whether you are running a factory turbo upgrade, swapping to a bigger frame turbocharger, adding a centrifugal or roots style supercharger, or dialing in a nitrous system for a quick shot of extra power, you will find the components here to build and support the setup correctly. Every part in this collection is organized by system type so you can move from a stock turbocharger to a properly supported forced induction build in one place. Intercoolers, wastegates, blow off valves, boost controllers, and water meth injection components are all included alongside the core turbo and supercharger hardware so the entire boost system can be sourced together. What This Category Covers This collection includes turbochargers, turbo kits, s...
View Forced Induction Products
Turbine Housings
Turbine Housings include replacement hot sides and turbine housing kits for performance turbocharger builds. Shop T25, T3, T4, divided flange and V-band configurations for Garrett, BorgWarner, Turbosmart and other popular turbo platforms. Every product is filterable by turbo frame, flange, A/R ratio and housing configuration so the correct hot side ships the first time. Black Ops Auto Works carries 95 turbine housing SKUs across divided housings, open housings, V-band outlets, wastegate provisions and replacement turbo components. What This Turbo Collection Covers Hot sides and replacement housings A turbine housing directs exhaust energy through the turbine wheel and establishes the turbine inlet, outlet and A/R configuration. This collection includes replacement housings and upgrade options for common turbo frames and motorsports applications. Flange and Outlet Choices T25, T3, T4 and V-band The inlet flange must match the exhaust manifold or adapter. Confirm whether the setup...
View Turbine Housings Products
Turbochargers & Components
Turbochargers and turbo components for import, domestic, and European performance builds are stocked at Black Ops Auto Works. Shop complete turbochargers, turbo rebuild kits, wastegates, turbo manifolds, and turbo hardware for naturally aspirated conversions and turbo upgrades alike. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 565 turbocharger SKUs spanning complete units, rebuild kits, and supporting hardware. What This Category Covers The Turbochargers and Components category covers complete turbocharger units, upgraded drop-in turbos, turbo rebuild and repair kits, wastegates, and the supporting hardware needed to install or upgrade a turbocharger. Coverage spans stock-replacement turbos through big single and twin-turbo setups for serious horsepower goals. Categories Included Complete turbochargers, drop-in and hybrid turbo upgrades, turbo rebuild kits, cartridges, waste...
View Turbochargers & Components Products


