1957 Chevy Bel Air/210 4-Door Sedan & Wagon Lower B-Pillar Molding LEFT USEDThis 1957 Chevy Bel Air 4 Door Sedan & Wagon B Pillar Molding Lower LEFT is an original used GM part #4689246. The molding will need to be restored and replated. The difference between the 4 door sedan and 4 door hardtop is that the hardtop molding has a longer stem. Check the casting on the back of the molding to easily identify.