OTTO Excavator Spare Parts Ex300-5 6Sd1T Oil Overflow Valve 1132601110 113260-1110 1-13260111-0 For Isuzu This product is an oil overflow valve designed for the Isuzu 6SD1T engine in the Ex300-5 model of excavators. The part numbers associated with it are 1132601110, 113260-1110, and 1-13260111-0. This valve plays a crucial role in managing oil flow and ensuring efficient operation of the specified equipment.