DRIVING 2001 JEEP WRANGLER WITH BESTOP SLIDER WINDOWS, INSTALLED ABOVE FACTORY HALF DOORS. UPPER DOOR SLIDER FOR TJ WRANGLER PART NUMBER 51787. *TR PLASTIC TABS ON WINDOW UNIT ALL OF A SUDDEN BROKE AND WINDOW FLEW INTO DRIVER'S HEAD AND FACE. BESTOP IN BROOMFIELD COLORADO800 845 3561 REFUSED TO REPLACE OR REPAIR PRODUCT AND REFUSED TO COMMENT ON FAILURE OR SAFETY.