that goes on the end of the cable from the start solenoid and stator motor in front of the oil filter. Mine has died with old age and is letting grime in. I've looked around and found very little. Anyone got a source?
http://www.remybattery.com/Departments/Cable-and-Connectors/Battery-Terminal-Protectors/Starter-Terminal-Protectors/4-and-6-Gauge-Cable.aspx (http://www.remybattery.com/Departments/Cable-and-Connectors/Battery-Terminal-Protectors/Starter-Terminal-Protectors/4-and-6-Gauge-Cable.aspx)