Track Tensioner Nipple for Excavators, 5382211542 fits between the track tensioner cylinder and the support plate. Also order the seal: 1955005109
WARNING: This product can expose you to chemicals including lead and lead compounds, mineral oils, and phthalates which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov