The Flat Idler Pulley for Mowers is designed for machinery with 42 to 48 inch decks and is a perfect fit for models GY22172 and GY20067. Built to handle heavy-duty composite belts, this part ensures smooth and seamless operation of your lawn equipment. Constructed with precision machining, it guarantees tension precision and smooth belt movement. Its smooth surface makes for easy installation and maintenance. This reliable product from our extensive lineup stands the test of time, providing you with consistent performance and care for your lawn equipment.