Keep your running smoothly with this essential spacer component. Part number 138-3244 serves as a direct replacement for the older 120-9490 spacer, compatibility with Toro 30" Timemaster mower models including 21199HD, 21810, 21811, 21200, 21199, 21816, 21220, and 21219. This precision-engineered spacer maintains proper spacing between components, helping to prevent wear and maintain optimal performance of your mowing equipment. Installing the correct spacer is crucial for the proper operation of your mower's cutting system