There is a good one in Billerica, Holland Ave

Rich's autoparts in Hudson is okay

There is a pick n pull in Brockton, but sketchy af

There used to be a great one right off 128 in Waltham, but they closed b/c the land was too valuable. There is also a yard over in the Rumny marsh area in Saugus

HarborUsed Autoparts in Lynn might also prove helpful