Bolens Lawn Tractor Pulleys

Genuine OEM Idler Mandrel Pulley Kit which includes: pulley, spacer/washer and a bushing. This part spins the blade on the mower deck of the tractor. The bearing for this pulley is not sold separately. If part is damaged or the bearing inside of it is not spinning freely then this part needs to be replaced.

This flat idler pulley maintains proper belt tension and alignment within the drive system. It supports smooth rotation and reduced belt wear.

This is an authentic replacement part manufactured for use with riding lawnmowers. The special pulley is used to guide the transmission belt around part assemblies. This pulley is sold as an individual replacement part, please see model diagram for associative parts.

This genuine OEM variable speed pulley is designed for riding lawn equipment to help control ground speed by dynamically adjusting belt tension during operation. Built from durable metal, it supports smooth acceleration and consistent torque while reducing strain on the engine and drive system. Replacing a worn or damaged pulley can correct issues such as belt slipping, squealing noises, sluggish ...

This variable-speed drive V-pulley with hub is designed to guide and support the drive belt within a riding lawn tractor’s transmission system. Constructed from durable spun steel, it helps ensure smooth belt movement, consistent speed control, and reliable power transfer under load. Ideal for replacing a worn, bent, or noisy pulley, it restores proper variable-speed operation and dependable drive...

The idler pulley attaches to the idler bracket and helps to apply tension to the v-belt. It is an authentic OEM sourced item which is specially produced for use with MTD and Yard Man lawn tractors. This high-quality part is sold individually. It is made of metal and may require a wrench to install this part.

This is an original MTD replacement part. The engine pulley is commonly found in lawn tractors. This part is made of metal, and is connected to the engine to spin the drive belt. You will require a wrench when replacing this part. This item is sold individually.

This is an original MTD replacement part. The idler pulley is commonly found in lawn mowers and garden tractors. This part is made of metal, and is used to adjust the tension on the drive belt. You will require a wrench when replacing this part. This item is sold individually.