I have 10 BROKEN 1971-1973 Mustang Seat Belt Shoulder Belt Bolt Cover Trim with part# D1AB-6560235. black , ginger, green THESE ARE ALL BROKE.  I have ijcuded many of the broke pieces.  maybe you want to try to plastic weld these or use as is.  Look at the pictures carefully.  SOLD AS IS WITH NO RTURNS SINCE i AM FULLY SDESCRIBING THE PIECES.