Just glue the crack closed, cover it with 100mph and send it. Literally no reason to buy an $800 price of formed plastic

The $20 Walmart code reader has a readiness monitor test.

If there is ever a problem, and you get it fixed before bringing it to the attention of the problem creators-there is no longer a problem anymore.

Weigh the inconvenience of not having a vehicle until it gets looked at vs. fixing it and eating the cost

CV axels are next in line. When everything is loose and worn, it has room to compensate, but when you replace half the components, the old stuff wobbles twice as bad.