Genuine Frigidaire Replacement Part
This magnetron fuse (part number 5303319550) is for microwaves.
Magnetron fuse protects the microwave and magnetron from damage by shutting off the microwave if there's a power surge.
Because high-voltage capacitors in a microwave can retain a lethal electrical charge even when the microwave is unplugged a service technician should install this part.
Part Number 5303319550 replaces 5304458211, 75303319550