The Case IH YT30V00039S091 Check Valve is a genuine OEM hydraulic component, also cross-referenced under Kobelco and New Holland. This valve is crucial for maintaining unidirectional fluid flow within hydraulic systems, effectively preventing backflow and ensuring optimal performance. It is a direct replacement part for various Kobelco excavator models, including SK130SR-3, SK135SR-3, SK135SRLC-3, and many others. With a weight of 0.12 kg and compact dimensions of 95 mm length, 51 mm width, and 51 mm height, this check valve provides reliable and durable operation.