1988 CHEVROLET CELEBRITY User Comment / Complaint

1988 cheverolet celebrity. manufacrurer does not stock or sell replacement seat belts or parts. the part is a plastic clip that goes over the seat belt buckle. probably a $1.00 part. but the local dealer says that they cannot provide the clip or the belt. am i supposed to throw away a car that is otherwise perfect?? is not the manufacurer required to provide availability of replacement safety parts? there are millions of these gm cars still on the road.