OTTO Excavator Spare Parts Ex300-3 6Sd1T Oil Pressure Switch 9132620090 913262-0090 9-13262009-0 For Isuzu This product is an oil pressure switch designed for the Isuzu engine model 6SD1T in the Ex300-3 excavator. It is an essential component that helps monitor and regulate the oil pressure within the engine system. The part numbers associated with this product are 9132620090, 913262-0090, and 9-13262009-0.