OTTO Excavator Spare Parts Sh220-3 6Bg1T Relay 1825530510 182553-0510 1-82553051-0 For Isuzu This OTTO Excavator Relay (part number 1825530510) is designed for the Isuzu engine model 6Bg1T in the Sh220-3 excavator. It ensures efficient electrical signaling within the machinery, crucial for operational reliability.