Warner Electric 7600-448-001 Ultrasonic Sensor 7600448001 $1,495.73 https://www.ebay.com/itm/352780774270?hash=item52235f6b7e:g:…
Warner Park Ultrasonic Proximity Sensor 7600-448-003 $1,057.00 https://www.ebay.com/itm/293960367458?hash=item4471673d62:g:…