Product Description
Unlock big, reliable power with the genuine BORGWARNER 177248 S400SX3 (S471/83) in a divided T4 1.10 A/R housing. This AirWerks S400 uses proven journal bearings and extended-tip compressor aero to deliver strong flow as a street/strip single or the atmospheric unit in S300/S400 compound setups.
Why builders choose 177248
- S471 compressor – ~71 mm inducer with extended-tip technology; 5.0" hose inlet; 4.21" V-band outlet
- 83 mm turbine – paired to a 1.10 A/R, divided T4 housing for strong drive/boost balance
- AirWerks center section – twin hydrodynamic journal bearings; adjustable compressor/turbine orientation
Fitment & Use Cases
Platforms: Popular on high-output Cummins, Power Stroke, and Duramax builds as a performance upgrade or as the low-pressure charger in compounds. Universal performance fit—verify manifold (T4 divided), downpipe connection, charge-pipe routing, oil feed/return, and intercooler capacity for your setup.
Cross-Reference / Alternatives (BorgWarner on CPP Diesel)
- BorgWarner 179171 S400SX3 – S471/83, 1.10 A/R, T4 Race Cover
- BorgWarner 171701 S400SX4 – S471/96, 1.32 A/R, T6
- BorgWarner 171702 S400SX4 – S475/96, 1.32 A/R, T6
- BorgWarner 179174 S400SX – S475/87, 1.10 A/R, T4
- BorgWarner 169012 S400SX – S464/83, 1.10 A/R, T6
As a single, it supports strong street/strip builds with adequate fueling, intercooling, and tuning. In compounds, it excels as the atmospheric charger feeding an S300 high-pressure turbo.
Do I need a divided T4 manifold? Yes. This turbo uses a twin-scroll (divided) T4 inlet. Verify manifold, downpipe outlet, charge plumbing, and oil line compatibility before purchase.
Is this a direct OE replacement? It is a universal performance turbo. Some heavy-duty applications may cross-reference to similar S400 units, but always match part numbers, flange style, and outlet connections to your specific application.
What supporting mods are recommended? High-flow manifold (T4 divided), appropriate downpipe, adequate fuel and tune, strong intercooler, and careful attention to drive pressure/EGTs. For compounds, confirm pressure ratios and wastegate/boost control strategy.
Specifications for BORG WARNER 177248
| Turbo Series | AirWerks S400SX3 (S471/83) |
| Compressor | ~71 mm inducer (S471), 5.0" hose inlet, 4.21" V-band outlet; extended-tip aero |
| Turbine | 83 mm wheel, divided T4 housing, 1.10 A/R |
| Center Section | Twin hydrodynamic journal bearings; adjustable housing orientation |
| GTIN | Not provided by manufacturer |
| UPC | Not provided by manufacturer |
| E-Codes | Not applicable (universal performance/HD application) |
| Cross Reference | Common S400 SX3-71 references in distributor catalogs; verify against your turbo nameplate for your application. |
| Shipping Info | Ships from CPP Diesel; free ground shipping on most orders. Box dimensions/weight shown on product page. |
| Prop 65 | Warning may apply (nickel and other metals). See California guidance. |
Note: Always match BorgWarner 177248, flange style, and outlet connections to your build before ordering.
