BorgWarner 178923 AirWerks S400 Turbocharger for Cummins M11

The BorgWarner 178923 is a genuine S400 Series AirWerks turbocharger engineered for the Cummins M11 diesel engine. Built on BorgWarner's proven S400 platform, this turbocharger delivers reliable, high-output forced induction performance using the same OE-grade materials and manufacturing processes trusted by the world's top engine builders.

Part of BorgWarner's AirWerks aftermarket performance program, the S400 series is designed to generate robust, consistent boost for demanding diesel and high-performance applications. The S400 platform is widely recognized as one of the most versatile and durable large-frame turbochargers available.

Key Features:

• Genuine BorgWarner S400 Series AirWerks turbocharger
• Twin hydrodynamic journal bearings for long-term reliability and durability
• High-pressure ratio compressor stage with extended-tip technology for increased airflow
• High-efficiency turbine stage for strong, consistent boost response
• Adjustable compressor and turbine housing clocking for flexible installation
• OE-grade materials and manufacturing processes throughout
• Manufactured to BorgWarner's exacting quality standards

The BorgWarner AirWerks S400 line supports a wide range of power outputs and is a go-to choice for commercial diesel performance, engine rebuilds, and competitive applications. Part number 178923 is a direct-fit S400 unit for the Cummins M11 platform.