Description Fleetguard CS41018 is a centrifugal by-pass lube oil filter rotor supplied with housing for Fleetguard remote centrifuge housings and Eliminator systems on Cummins diesel engines from 19 L to 95 L, including K38, K50, K2000, QSK38, QSK50 and QSK60 models. It is a drop-in disposable rotor element used in Fleetguard CH44105 and CH44120 centrifuge assemblies, typically installed as a by-pass lube filter to remove soot and fine contaminants from engine oil, with approximate dimensions 209.5 mm height and 158.5 mm diameter and requiring separate gasket 3894972S. Cross-reference equivalents include Cummins 4331734, Alfa Laval 180017767 and HIFI-FILTER SO10143, and it supersedes earlier Fleetguard CS44000 centrifugal by-pass lube filter assemblies.