This starter relay is compatible with excavator models PC-6, PC200LC-6, PC120-6, PC220-6, PC200-7, PC60-7, PC200-6, PC210LC-7, PC200LC-8, PC220-8, PC220LC-8, PC228US-1, PC228US-2, and PC138US-8.It replaces OEM part numbers 600-815-8940, 600-815-8941, and 600-815-2170.Package includes one starter relay.