Compatibility: This oil filter is designed specifically for for for Hydrostat for transmissions, replacing part numbers 1A646088211 and 1A646088210, a for your ride-on mower. Materials: Constructed from high-quality material, this filter is built to withstand the demands of your mower's hydrostatic system while providing reliable performance. Enhanced Filtration: The design of the filter promotes optimal oil flow while effectively capturing impurities, that your transmission runs smoothly and efficiently. Compact Dimensions: With Height 24.4mm, Outer Diameter 62.4mm, Inner Diameter 42.1mm centimeters, this filter is compact and easy to install, making maintenance straightforward for all users. Replacement Part: As a reliable replacement component, this filter helps maintain the and performance of your mower's hydrostatic transmission system, keeping it in top working condition. Product Name:Filter Oil Filter for K55 K56 1A646088211 / 1A646088210 Size:Height 24.4mm, Outer Diameter 62.4mm, Inner Diameter 42.1mm Color: As Shown Material: Metal Package Contents: 1 * Filter Oil Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.