Headlamp wiper drive

Hello Forum My right lamp wiper motor does not run “home” and lets the fuse address, is probably stuck. After disconnecting the plug and renewing the fuse runs at least the left again. Usual question: Is there a source for used parts or inexpensive alternatives besides a new part for 130 to 150€ ? Or does someone else have something like that ? SAAB 42 40 552 Bosch 0 390 206 934 Greeting HBH