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: Maintains 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: Light reflection and different display settings may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.