... Yuken MS of MSA-01,MSA-03,MSB-01,MSB-03,MSW-01,MSW-03 Hydraulic Modular Throttle Check Valve1. Totally interchangeable with ... original2. For different kinds of hydraulic systems3. Nominal size ... year of warranty Yuken MS of MSA-01,MSA-03,MSB-01,MSB-03,MSW-01,MSW-03 Hydraulic Modular Throttle Check Valve