“Blessed are the pure in heart, for they shall see God”
(Matthew 5:8)
No, you do not have to accept used parts. Most customer oriented insurance companies will only suggest used parts (“LKQ”) when there is agreement from all parties; generally used parts are suggested when there needs to be a savings to justify the repairs. The insurance company’s obligation is to restore your vehicle to “pre-loss” condition – not better than it was and no worse prior to the loss.