721-0804400 Parts

Fix a mower that won't start or has loose throttle cable control with a new throttle housing. This plastic grip component secures the throttle cable.

This is a genuine replacement flywheel spacer that is used on select outdoor lawn and garden engines. The flywheel spacer is used to connect the flywheel in line trimmers and provide adequate spacing so that the line can rotate properly to provide the trimming required. This spacer is made of durable metal but it can be damaged or become worn over time. If it is not functioning properly, the part will need to be replaced so that the unit is safe to use. This part can provide an exact fit for compatible models. This genuine OEM flywheel spacer is manufactured by MTD. It can be used in units from the brand, as well as compatible units from Troy-Bilt, Cub Cadet, and Craftsman. The spacer is made of durable metal and sold individually. Other parts will require an additional purchase. The line trimmer should be disconnected from power and the spark plug should be disconnected before doing any repairs. Wear gloves for hand protection whenever working on internal components on line trimmers and other outdoor power equipment.

24.932" boom assembly for gas line trimmers. Includes internal drive shaft. Replace if boom tube is bent, cracked, or damaged from impact or wear.

Replace a broken recoil spring when your gas trimmer, edger, or blower won't pull-start or the cord won't retract. Simple DIY repair in under 30 minutes.

This part is a replacement piston ring kit. This is a genuine OEM part made by MTD and has been sourced directly from the manufacturer. This part can be used to replace broken or defective piston rings in a variety of line trimmer models. The piston rings are important as they seal the gap in between the cylinders and pistons to prevent leaks. Piston rings are subject to wear and tear and thus should be replaced with regularity. When working on or near an engine, it's important to make sure the equipment is powered off and completely cooled down before starting any repairs. For more accurate information on how and where to install this piston ring kit, the appropriate owner's manual and equipment diagrams should be utilized.As an authentic replacement part, this piston ring kit is suitable for use on several different models of line trimmer manufactured by MTD, Craftsman, and other brands. This is a genuine part made of high-quality, durable materials and is sold individually.

This genuine MTD replacement part is a crankcase cover O-ring for use with trimmers, blowers, tillers, edgers, string trimmers, and cultivators. A properly functioning O-ring is essential for the safe and reliable use of the equipment. The crankcase houses the crankshaft, and the O-ring is used to ensure a seal on the case. A damaged or worn out O-ring may cause oil to leak, leading to unsafe operation. The O-ring may become worn out or damaged with extended use, necessitating replacement. Remember to check the O-ring periodically to spot any wear or damage. This part is an identical replacement for an O-ring that is missing, worn out, or damaged. Prior to working with this part, please refer to the original product manual for installation instructions. Additional tools may be required for installation of this part. For safety, always wear gloves and ensure unit is powered down prior to performing any installation or repair.This high quality OEM replacement part is sourced directly from the manufacturer, and it is sold individually. This part is compatible with a variety of Craftsman, Cub Cadet, Troy-Bilt, Yard Machines, MTD, and more trimmers, blowers, tillers, edgers, string trimmers, and cultivators.

This fuel tank support is a genuine MTD part, sold individually. A fuel tank support can be used as a replacement part for outdoor appliances including tillers, string trimmers, leaf blowers, and edgers. This genuine OEM part is made out of high quality, durable materials that are specifically designed to last and hold up to possible general wear and tear over long-term usage.The fuel tank support might be subject to various forms of damage that can reduce or negate the efficacy of its function. If this occurs, the fuel tank support should be removed and replaced by this genuine OEM replacement part in order to guarantee safe continued usage of the appliance over its typical lifespan.This is a genuine OEM replacement part sourced directly from the manufacturer. It is sold individually. This fuel tank support is compatible with the following outdoor appliance brands: MTD, Craftsman, Cub Cadet, Troy-Bilt, and Yard Machines.

This replacement part is an ignition coil. This is a genuine replacement part made by MTD. This part is commonly found in line trimmers or edgers. This part ensures that the trimmer is able to start and stop according to the user's needs.A new ignition coil might be needed if the starting and stopping functions in the line trimmer are not working as effectively as during prior uses. This can be due to a faulty ignition coil, and if this is the case, it should be replaced. Be sure the engine is completely turned off before attempting to replace this part. Refer to the proper user manual for more information on this repair. This is a genuine OEM replacement part. This part is sold individually and is sourced directly from the manufacturer.

This is a fastener bolt designed for use in string trimmers and other outdoor power equipment. It secures internal components to maintain structural integrity during operation. Replace this bolt if it is stripped, corroded, or missing - which can cause excessive vibration, loose parts, or unsafe operating conditions.

Blade guard assembly for line trimmers. Protects operator from debris and rotating components. Replace if cracked, broken, or missing for safe operation.

Fastener hardware set for line trimmers. Replace missing, stripped, or damaged screws and nuts that secure internal components. Sold as individual set.

This flywheel is an authentic OEM replacement part sourced directly from the manufacturer. It is part of the starter assembly on trimmers and other small engines that use a pull-start system. If the engine is misfiring, overheating, or not starting, the flywheel should be checked and replaced if necessary. Normal wear and tear can lead to the breakdown of the flywheel. The flywheel is located behind the recoil starter assembly and is attached to the engine. When the starter cord is pulled, the flywheel spins to start the engine. If the flywheel is damaged and doesn't spin fully or is seized and won't spin at all, it should be replaced. A Phillips screwdriver, spark plug wrench, Torx wrench, long-nosed pliers, and a rubber hammer are needed to complete this project. A bowl or other receptacle for storing drained fuel and work gloves are also suggested. Make sure the engine is cool, and the spark plug is removed before making this repair.This flywheel is a solid metal part that is sold individually. This flywheel is designed for tillers, cultivators, and other small engines manufactured by Craftsman and Troy-Bilt.

Fix a trimmer that won't start with this complete starter housing assembly. Includes housing, pulley, spring, rope and grip for easy pull-start.

This short block assembly is a genuine MTD part, sold individually. This short block assembly can be used as a replacement part for a string trimmer, a tiller, or an edger. The short block includes the crankshaft, piston, rod, camshaft, valves, and governor. A short block assembly might be necessary if there is damage to a wide range of parts in the equipment's engine. Check for frequent stalling, misfires, or an inability to power on. Remember to always wear gloves when handling, repairing, and operating outdoor equipment. This is an OEM part sourced directly from the manufacturer, and it is sold individually. This short block assembly is compatible with the following brands: MTD, Craftsman, and Cub Cadet.

Fix a loose or damaged split-boom connection with this drive shaft coupler. Includes knob, coupler body, and mounting screws for secure shaft attachment.

Replacement fuel cap for lawn tractors, trimmers, blowers, and tillers. Prevents fuel leaks and evaporation. Replace if cracked, broken, or missing.