Fuel Pressure Regulator OEM NO.:21000 REF NO:PR15 Application: FORD, MERC 83-96, FORD TRUCK 85-95, LINCOLN 86-94, MAZDA Fuel Pressure Regulator OEM NO.:21000REF NO:PR15Application: FORD, MERC 83-96,FORD TRUCK 85-95, LINCOLN 86-94,MAZDA TRUCK 94-97,MERKUR 85-89 Fuel Pressure Regulator For FORD OEM NO 21000