aftermarket
noun[C]
COMMERCE,PRODUCTION(alsoafter-market)uk/ˈɑːftəˌmɑːkɪt/us/ˈæftərˌmɑrkɪt/thesellingof newpartsforcarsthat have already beenmanufactured:
Aftermarkets forautomotivepartsinNorthAmericaarebooming.
The auto-dealer waslookingforafter-marketautoparts.