OTTO Excavator Spare Parts Zx450 6Wg1 Oil Overflow Valve 1132690090 113269-0090 1-13269009-0 For Isuzu This product is an oil overflow valve designed for the Isuzu engine model 6WG1 in the ZX450 excavator. It is crucial for regulating oil flow and maintaining optimal performance in the specific equipment. The part numbers associated with this valve are 1132690090, 113269-0090, and 1-13269009-0.