Durable 756-04129 Idler Pulley for Troy-Bilt & Cub Cadet, Easy Installation
Specifically designed for Troy Bilt models: GT50, GT54, RZT 42, RZT 50, TB42, TB2142, TB2246, TB2450, including Pony, Bronco, Super Bronco, Horse, Big Red Horse, Range Rider, Mustang, Mustang XP, and Colt XP.