The BorgWarner M-11855 Sleeve Shaft HPCI Booster Pump is a genuine BorgWarner replacement component designed for use with HPCI booster pump assemblies. Identified by part number M-11855, this sleeve-shaft element integrates with the booster-pump hardware to support the operation of BorgWarner’s HPCI boosting system. Listed in BorgWarner’s Boosting Technologies catalog as a spare part, the M-11855 is intended for maintenance or repair of compatible booster-pump configurations.
