Maintain dependable mower performance with the Mr Mower Parts Lawn Mower Idler Pulley, compatible with Great Dane D28105. Manufactured to OEM specifications, this pulley is designed for accurate fit and reliable belt alignment in mower deck systems. This replacement idler pulley features precise dimensions of 3/8" inner diameter (ID), 5-7/8" outer diameter (OD), and 3-1/8" height, ensuring proper installation and consistent operation. Built from durable materials for long-term use, this pulley supports smooth belt movement and dependable mowing performance. Ideal for maintenance and repair, it helps restore proper deck function in compatible Great Dane mower applications. Trust Mr Mower Parts for high-quality lawn mower replacement components designed for reliability and performance.