UNIVERSAL FIT: This idler pulley is designed to replace models 532196106, 532197379, and 196106. It ensures compatibility with a wide range of lawn mowers. Built to Last: Engineered to meet or exceed original specifications. This idler provides reliable performance and extended service life, reducing the need for frequent replacements. Easy to Install: Designed for straightforward installation, this idler can be replaced quickly and easily, minimizing downtime and getting your equipment back in operation fast. Improve Mower Efficiency: Helps maintain proper belt tension and alignment, contributing to smooth operation and efficient power transmission, enhancing mower performance and longevity. Replaces Part Numbers: 21546440, AYP 196106, 197379, 532196106 Inner Diameter: 3/8 Inch Height: 1-5/8 Inch Outer Diameter: 5-3/8 Inch Color: Black Material: Iron Package Contents: 1 x Idler Pulley Replacement Part Note: The package includes only the items listed above. Other products are not included. Light reflection and differences in display screens may cause slight variations between the color shown in the image and the actual product. Measurement may vary by +/- 1-3 cm.