laabdog

i have owned 2 2002 4 tech see doos. since they wre new. on one of my pwcs the wheel on the sensor is gone. must of parked it to close to something. seadoo tells me i cant buy just wheel , have to buy whole unit. it works but doesnt work right because of the star wheel. anyone have any suggestions on this matter or a place to buy thing. they want 137.00 for unit and all i need is the wheel. help and thanks