BorgWarner 171925 S400S069 Turbo CHRA Cartridge – Mack Truck E7 EM7 11.9L 12.0L Diesel Engine Center Housing Rotating Assembly

Restore your Mack truck's turbocharger to peak performance with the BorgWarner 171925 S400S069 Turbocharger CHRA Cartridge — the genuine center housing rotating assembly engineered specifically for heavy-duty Mack diesel applications.

Fits BorgWarner turbo part numbers 171178, 474832, 171179,174883. Replaces Mack part numbers 631GC5153AM3, 631GC153M3, 631GC5153AM2X, 631GC5153M2

This CHRA (Center Housing Rotating Assembly) is the heart of the S400S069 turbocharger, housing the turbine shaft, compressor wheel, bearings, and seals. Replacing the cartridge allows you to rebuild your existing turbocharger without the cost of a full unit replacement, provided the compressor and turbine housings are in serviceable condition.

Compatible Applications:

• 1994–2002 Mack Truck with 12.0L E7-400 Diesel Engine
• 1995–2002 Mack Truck with 11.9L EM7-354 Diesel Engine
• 1999–2009 Mack Truck with E7-350 / E7-400 Diesel Engine
• 2001–2012 Mack Truck with 12.0L E7 / EM7-275 / EM7-300 Diesel Engine

Key Features:

• OEM BorgWarner / Schwitzer quality — engineered to exact factory specifications
• Precision-balanced rotating assembly for smooth, reliable boost delivery
• Direct-fit replacement — no modifications required
• Designed for the rigors of heavy-duty commercial trucking
• Restores turbo performance and reduces oil consumption caused by worn bearings and seals
• Professional installation recommended

Compatible Part Numbers: 171925, 171926, 173125, 173385, and other S400S069 cross-reference numbers. Always verify fitment using your turbocharger's nameplate part number before ordering.