Motorcraft 4R100 Output Speed Sensor OSS/TSS 1999-2003
4R100 w/o PTO
F81Z7M101AA is used as both the Output Shaft Speed Sensor and Turbine Speed Sensors on certain applications.
F81Z7M101BA is used as the Turbine Shaft Speed sensor on some applications.
Please verify which you need as there are NO returns on open sensors.