[Replaces Part Number:] 2131120, 88924779, F65Z10884AA. This information allows the ECU to regulate the air-fuel mixture, optimizing engine performance and fuel efficiency. Engine Coolant Temperature Sensor Sender Switch 2.3L 4.2L 4.6L 5.0L 5.4L 5.8L 6.0L 6.8L 7.3L 7.5L Compatible with E150 E250 E350 E450 E550 F150 F250 F350 F450 F550 97 98 99 00 01 02 03 04.
