Gas dryer wont stay lit

I'm assuming it "starts" to heat but then cuts off. Usually after the first minute of running you can open dryer door and feel heat but after awhile it doesn't heat.

1st, most common problem on a gas dryer not heating is "airflow" . They will "short-cycle" if there isn't near perfect airflow. Turn dryer on and go to outside exhaust vent. It should blow about as hard as you can blow into your hand. If any doubt disconnect dryer vent line from wall and let blow into your laundry room for one cycle and see if it is now working correctly. If it does work correctly when vent line is disconnected at wall you KNOW there is blockage somewhere in your vent line.

2nd, most common problem are gas coils. Easy to replace. 99% of all gas coils are the same so here is the part# (WE04X10020) (write it down.

Below is link where you can purchase appliance parts. Thanks for reading!
Appliance Parts