thermal fuse blowing

I have an LG dryer model # DLE7300WE that stopped working because the overtemperature sensor that is just stream of the fan had opened circuit. The trouble code indicated loss of power. I replaced this component, the thermistor that is upstream from this sensor, and the two overtempt sensors...

I have a DV56H9100EG/A2 (6-8 yrs old) that stopped heating. I found that the heating element was bad so I replaced it and all of the sensors (high limit, thermal fuse, thermistor and the motor cut-off fuse). It got nice and hot, but apparently too hot and blew the thermal fuse. I cleaned all...