151S Parts

Metal clevis pin secures parts on lawn tractors and riding mowers. Replace if bent, worn, or missing to restore proper attachment and connection.

Ferrule fastener for lawn tractors and riding mowers. Replaces worn or damaged ferrules that secure components through circular ring seals. Confirm fit with your model number.

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

The lock nut is a piece of standard hardware that may have a variety of applications on lawn and garden equipment, including on engines, housings, and other components. The lock nut offers a secure fit by tightening into a flange that prevents the nut from loosening like a regular nut might. Over time, the flange or the nut can become worn or damaged. In some cases, lock nuts may be lost during the process of other repairs or maintenance. Replacing them with genuine OEM parts like this lock nut is the best solution. This lock nut is compatible with hundreds of machines, including mowers, snowblowers, and chippers from MTD, Troy-Bilt, Cub Cadet, RYOBI, Yard-Man, Yard Machines, Bolens, and Husky. The ¼-inch lock nut has multiple locations and applications, so owners should consult their parts diagram for exact placement and part number identification. This lock nut is made of durable metal and sold as a single unit. Those who need additional pieces will have to order multiple quantities. This part will require a wrench or a socket to replace, as well as pliers and/or a screwdriver to hold the bolt or screw in place.

This replacement part is a cotter pin. It is a genuine replacement part made by MTD. Cotter pins are also sometimes known as clevis pins and are responsible for fastening two metals together. This allows the machine to work properly and operate smoothly. A new cotter pin might be needed if the current ones are damaged in any way or even missing. This part is small so it can be misplaced after years of normal wear and tear. It is possible that this part become stripped or lodged in place over time. The repair should be fairly easy and only require common tools. Be sure the engine is completely powered down before beginning this repair. This pin is sold individually. This is a genuine OEM replacement part sourced directly from the manufacturer to ensure a proper fit.

This is an internal snap ring that can be found in many types of lawn and garden equipment. It is located between the spacer and bearing and is made of durable metal. The ring holds items steady and has an exposed area that functions like a shoulder to keep the assembly in place. Over time, the internal snap ring can become damaged through wear and tear or corrosion. It can also break and will no longer operate the way it should.If the internal snap ring is broken, corroded, or damaged, it will need to be replaced. Make sure the equipment is turned off and placed on a flat surface for the replacement process. A pair of snap ring pliers will be needed to remove the original internal snap ring. There is a plastic wheel cap located on top of the snap ring that needs to be removed first.This internal snap ring is an authentic OEM replacement part that is sourced directly from the manufacturer. It is sold as an individual part. The snap ring is compatible with lawnmowers, chainsaws, and snowblowers manufactured by Yard-Man, Montgomery Wards, Huskee, MTD, Yard Machines, Troy-Bilt, and Cub Cadet.

Deck height adjustment gear for lawn tractors and riding mowers. Replaces broken or worn gears that control cutting deck position and leveling.

Uneven cut or vibration? This blade spindle assembly restores proper blade rotation on riding mowers. Intermediate repair with basic tools required.

Engine seal prevents oil and fluid leaks in lawn tractors and riding mowers. Replace if you notice leaking fluids or unusual engine sounds. Verify fit with your model number before ordering.

Spring switch for lawn tractors and riding mowers. Mounts near the switch button. Replace if worn, broken, or damaged from regular use over time.

Light socket for lawn tractors and outdoor power equipment. Replace when socket is cracked, corroded, or bulb won't stay secure. Verify fit with your model.

Fix a lawn tractor that won't start with a new safety switch. This interlock switch prevents starting unless safety conditions are met. Easy DIY repair.

Battery does NOT contain battery acid

If your mower won't start or turns over but won't crank, the ignition switch may be faulty. This key-operated switch controls electrical power.