The HRepair 131-4529 Mower Idler Pulley Kit is meticulously designed for Toro TimeMaster 30” idler pulleys with belts. This kit ensures that your mower operates optimally and efficiently, saving you time and effort. By using the right size kit, you can expect an improvement in the mower's performance, extending its lifespan and reducing the need for repairs. The kit is made from high-quality materials, making it robust and resistant to wear and tear. It includes a 120-3335 belt, ensuring a perfect fit for your mower, regardless of the model year. This kit is compatible with several Toro mower models, including 20199, 20200, 20975, and 20977, making it a versatile and practical addition to any lawn care equipment. Invest in this HRepair kit for a seamless and comfortable mowing experience.