This Vibration Mount is a practical and reliable solution for reducing vibrations. With a length of 2.1" and an outside diameter of 2 1/2", it fits perfectly with OE parts such as Carrier Corporation 20-91-7709, Gaff 50056, and Thermo King 91-1404 / 91-2578 / 91-7709. The bolt ID of 5/8" ensures a secure and stable installation. Sold individually, this Vibration Mount offers excellent performance and durability. Reduce vibrations effectively with this high-quality product.