OEM Numbers Are Provided for Reference Only. Please Verify Fit Prior To Ordering. Please Note: Some Listings Use Stock Images for Reference and May Differ from the Actual Product. This Aftermarket Part Is Made to Meet or Exceed Manufacturer (OEM) Specifications. All OEM part numbers and logos are to be used for identification purposes only. Two New Aftermarket Hydro Oil Filters Fits Ferris Zero Turn Mower Models: IS Z series, Pro Cut Z Tech Info: Quantity: 2 Anti-Drain No Height 3 1/2" Micron 10 Outside Diameter 3" Relief Pressure 18-22 PSI Thread Size 3/4"-16 Replaces Part Number(s): 1719168, 1719168SM, 1719168YP, 1719168X1