Door striker post reinforcing

The usual reason for problems with the strikers is door alignment. If the door hinges are worn and the door drops the striker area takes the abuse . take the strikers off and close the door. Make sure it closes at the correct hieght. Then use the striker to hold the door shut only not for alignment. If this is done you shouldn't have any problem with the striker. For those that are cracked Tig welding them back is stronger then the way they were. Mig welds weaken the striker area. and make it brittle it will crack even faster.