OTTO Excavator Spare Parts Sk045 4Bd1 Oil Overflow Valve 8944634270 894463-4270 8-94463427-0 For Isuzu This product is an oil overflow valve designed for the Isuzu engine model 4BD1 in the SK045 excavator. The part numbers associated with it are 8944634270, 894463-4270, and 8-94463427-0. This valve helps regulate the oil flow within the engine system to prevent overflow and maintain optimal performance in the specified equipment.