Siberian Bushing Polyurethane Shock Absorber Rear Suspension Upper Mount 17.5 mm 1-03-2918 Compatible with TUNDRA GSK50, GSK51, UCK50, UCK51, UCK52, UCK55, UCK56, UCK57, UPK50, UPK51, UPK52, UPK55, UPK56, UPK57, USK50, USK51, USK52, USK55, USK56, USK57 (2006.11- ), I. D.=17,5 mm OEM 47131-0C010; 47131-0C040