Description Fleetguard 3894972S is a genuine service gasket/O-ring for Fleetguard centrifugal by-pass lube filter systems, used with CS41018 and CS41019 filters and CH44113 and CH44120 housings on Cummins engines. Cross-referenced to Cummins 3393586, this gasket provides reliable sealing for centrifuge lube filter assemblies in heavy-duty on- and off-highway applications.