BorgWarner 12749880078 B2FS Low Pressure Turbocharger MaxxForce 7

The BorgWarner 12749880078 is a genuine OEM B2FS series low-pressure turbocharger designed for Navistar MaxxForce 7 6.4L V8 diesel engines. This turbocharger is part of a compound R2S (Regulated 2-Stage) turbo system, specifically serving as the rear-mounted low-pressure unit in EPA 2010 compliant applications.

Key Features:

• Genuine BorgWarner B2FS frame turbocharger
• Low-pressure turbo for compound twin-turbo configuration
• Cast iron turbine housing with aluminum compressor housing
• Journal bearing design with oil-cooled center housing
• Direct bolt-on OEM replacement turbocharger
• Designed for MaxxForce 7 V152 and 6.4L diesel applications

This turbocharger crosses with multiple OEM and International part numbers including 1889568C91, 1897459C91, 179338, 178904, and 5010808R91. The low-pressure turbo works in conjunction with a high-pressure unit to provide optimal boost pressure, improve driveability, enhance towing power, and support proper EGR system function. BorgWarner is the original equipment manufacturer for MaxxForce turbochargers, ensuring precise fitment and performance equivalent to dealer-supplied units.