This MTD Idler V is part of the drive system that helps keep belt movement smooth and consistent. A new pulley can help correct tracking issues and reduce noise from a worn original component.
This MTD Idler V is a service replacement part for compatible equipment. Check the part number and the original component details before ordering so the replacement matches your application.
Not sure if 1727978 is the right MTD part for your model? Search your part or engine model number in our MTD Parts Lookup Tool.