The Rolling Lobe Air Spring - AS9213 is a reliable replacement for various OE parts, including Automann AB1DK23K-9213, ContiTech 64308, Dayton 1R12-090, Euclid FS9193, Firestone W01-358-9213, Goodyear 1R12-090, Navistar 501559C-1/2, 1660581C-1, Road Leveler RL92130, and Triangle 8441. This air spring is sold individually and comes with dimensions that can be seen in the images above. It is a practical solution for those in need of a high-quality air spring that fits various OE parts.