Dairymaster Hydraulic in-line filter YS31 Ensure your hydraulic power unit on your scraper or manure-removal system runs smoothly and reliably with this genuine replacement in-line filter (part number YS31) for Dairymaster hydraulic units. Clean hydraulic fluid is vital for longevity, minimal downtime and efficient performance. This filter removes debris and contaminants, helping protect valves, pumps and cylinders in the harsh farm environment. With straightforward installation, it’s a must-share spare for every service van and dairy equipment workshop—keeping systems running, not waiting. Key Features of the Dairymaster Hydraulic in-line filter YS31 Genuine Dairymaster Hydraulic in-line filter YS31 Designed for use within Dairymaster hydraulic power units – ideal for scrapers, backing gates or similar applications. Effective filtration to prolong system life and reduce wear on hydraulic components. Simple fitment: inline filter design means minimal downtime during replacement. A smart maintenance component for busy dairy farms—helps you keep your systems reliable. Fitment & Notes Confirm the part number on your hydraulic unit (filter element should be YS31) before ordering. Regul