Fleetguard WF2127 Coolant Filter For Cummins ISX Engines, Replaces Cummins 3680434 Isolator Assembly Compressor or turbine wheel rub

Compressor or turbine wheel rub against the housing on inspection

Transmission shift quality changes (electronic assist transmissions)

Air suspension supply lines requiring a 45° approach

1L (1987–1995)

International LT / LoneStar / ProStar / 9900 (Eaton-spec)

Fleetguard WF2127 Coolant Filter For Cummins ISX Engines, Replaces Cummins 3680434 Isolator Assembly Compressor or turbine wheel rubFleetguard WF2127 spin on coolant filter for Cummins ISX and X15 engines running OAT (organic acid technology) extended life coolant. Non chemical design no supplemental coolant additives (DCAs) released so it traps debris and corrosion particles without disturbing the OAT chemistry. Replaces Cummins OEM 3680434. Specifications Manufacturer Fleetguard (OEM Cummins Filtration) Part Number WF2127 Part Type Non Chemical Spin On Coolant Filter Engine