Bosal are manufacturers of exhaust systems and towbars their products are supplied as original equipment to most car manufacturers throughout the world brand bosal part exhaust pipe reference 740 003 technical specification fitting position centre engine code 187a1 000 engine code 187a1 000 fiat seicento 1 1 187axb 187axb1a 1998 54hp 1108cc oen part numbers fiat 51 744 829 fiat 73 501 572