The Komatsu air filter 12Y-979-1174 12Y-979-1171 for D61EX-23 D37EX-23 D39EX-23 is a filter/regulator from Komatsu. It conditions compressed air or hydraulic fluid by removing contaminants, adding lubrication, or regulating pressure to protect downstream components. It is commonly in OEM equipment and MRO replacement for fluid conditioning systems.
