PAI 050673 Coolant Level Sensor Replaces Cummins 4903489 Quick Release Valve International / Navistar 9000 series

International / Navistar 9000 series

Manufacturer ATRO Engineered Systems Part Number MM75-62001-HT Replaces (OEM) Peterbilt MR1001 / CB2203-72 / 07-08003-003 Part Type Engine Mount Kit

Manufacturer HD Value Part Number HD5280X Part Type Universal Joint

This box-style fuel/water separator fits Caterpillar-

Fleetguard (legacy): LF9080

PAI 050673 Coolant Level Sensor Replaces Cummins 4903489 Quick Release Valve International / Navistar 9000 seriesThe PAI 050673 is a 4 pin coolant level sensor that replaces Cummins 4903489 (and the superseded 3612521 4383932) on Cummins L10, M11, ISM, and N14 engines. It threads into the upper coolant tank or recovery bottle and signals low coolant to the ECM so the engine can warn or derate before head temperatures climb. Signs You Need a New Coolant Level Sensor Low coolant warning that won't clear with a full system Intermittent coolant alarm that comes and