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BorgWarner S400S Turbo | 178370 | Cummins M11 | 1993-2003 | New
BorgWarner S400S Turbo | 178370 | Cummins M11 | 1993-2003 | New
SKU: BWT178370
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Genuine new BorgWarner S400S turbocharger, part number 178370, for 1993-2003 Cummins M11 11.0L engines. BorgWarner's direct replacement for the Holset HX50 fitted to the M11 from the factory. Covers Cummins 3803710 and Holset 3533557, 3533558, 3538544 and 3538545. Gaskets included.
Key Features:
- Genuine new BorgWarner unit, not remanufactured
- BorgWarner S400S, fixed geometry
- Direct replacement for the factory Holset HX50 — same mounting, same connections
- Gaskets included
- Covers Cummins 3803710 and four Holset part numbers
Specifications:
- Part number: 178370
- Brand: BorgWarner
- Turbocharger model: S400S
- Condition: New
- Component type: Complete turbocharger assembly
- Boost control: Fixed geometry, non-wastegated
- Engine: Cummins M11, 11.0 L
- Model years: 1993-2003
- Cummins reference numbers: 3803710, 3803710H, 3803710HX, 3803710NX, 3803710RX
- Holset reference numbers: 3533557, 3533558, 3538544, 3538545
- Weight: 41 lb
- Included: Gaskets
Compatibility / Fitment:
Fits 1993-2003 Cummins M11 11.0L engines in highway and commercial applications, including Freightliner. CPL 1827, 1830, 1841, 1855, 1856, 1857, 1875, 1885 and 2204.
Fitment gate — read the nameplate and confirm CPL:
The M11 was fitted with more than one turbocharger configuration. Read the part number from the nameplate on your existing turbocharger and confirm it appears in the cross-reference list, and confirm your CPL from the engine dataplate.
Service note: this is a BorgWarner replacement for a Holset turbocharger. It bolts in directly, but its internal components are BorgWarner parts — Holset HX50 service parts do not fit it.
Installation kit 318418 is available separately for a complete gasket and hardware set.
Common interchanges: 3803710, 3533557, 3533558, 3538545
Conclusion:
BorgWarner 178370 is the genuine new S400S turbocharger for 1993-2003 Cummins M11 engines, a direct replacement for the factory Holset HX50 covering Cummins 3803710 and four Holset numbers. Match your CPL and existing turbocharger number before ordering.
