适用于三一SY485/550H挖掘机系列，破碎锤液压回油过滤器滤芯，矿山机械设备液压滤芯，装载机液压系统滤芯，工程机械设备液压油滤芯。Suitable for Sany SY485/550H excavator series, crushing hammer hydraulic oil filter element, mining machinery and equipment hydraulic filter element, loader hydraulic system filter element, construction machinery and equipment hydraulic oil filter element.