Parts for Bolens 551: Frame Parts

Hex screw fastener for securing lawn mower components. Replace if stripped, rusted, or missing to ensure proper assembly and equipment stability.

This hex screw and lock washer are commonly used with lawn mowers and other small engines to secure a motor to the housing of the equipment. It is machined in such a way that it binds the manifold and frame permanently. There are occasions when these bolts have to be removed, typically when major repairs are performed on the engine. In those cases, users often find it advisable to replace the hex bolts and washers with new ones. It happens as well that these screws are so tightly fastened that they cannot be unscrewed and must be cut off. In those cases, it is necessary to replace the original screws. These replacement screws and lock washers are genuine OEM certified replacements that are manufactured to be identical to the hardware they are replacing. In addition to mowers, these hex screws are used to secure engines to devices such as log splitters, edgers, shredders, trimmers, and snowblowers. This screw is compatible with devices made by Husky, Yard-Man, Cub Cadet, Troy-Bilt, Ryobi, Bolens, and Yard Machines.

Hex lock nut secures bolted joints on outdoor lawn equipment. Replace if threads are stripped, nut is missing, or won't hold proper tension.

This is a bell-shaped washer used on lawn tractors to distribute load and provide a secure fit for bolts or fasteners. Its curved design helps maintain tension and prevents loosening due to vibration during mowing. Replace this washer if it is deformed, cracked, or missing, which can lead to loose hardware and component instability.

Engine pulley for gas line trimmers and wheeled trimmers. Mounts to engine shaft to drive belts. Replace if cracked, worn grooves, or missing.