Final answer:
Customers cannot buy authentic Mopar accessories from unauthorized third-party sellers. Authorized purchase options include Mopar dealerships, the Mopar online store, and Mopar accessory events.
Step-by-step explanation:
The place where customers cannot buy authentic Mopar accessories is from unauthorized third-party sellers. Customers should be cautious as these sellers might not provide genuine Mopar accessories.
Authentic Mopar accessories are typically purchased at authorized Mopar dealerships, the Mopar online store, and special Mopar accessory events. It's important to buy from authorized sources to ensure the quality and warranty of the products.