Parts for Mtd 478-SU: Engine Parts

The purpose of the fuel nipple in a small engine is to clean the fuel before it reaches the carburetor. If the fuel is dirty, it could cause issues with the carburetor and other parts of the engine. If the engine misfires, has a fuel odor, leaks, or has problems with dirty fuel getting into the carburetor, it may be time to replace the fuel nipple. It is an easy replacement, but be sure to work in a well-ventilated area. Drain the fuel tank and disconnect the spark plug before beginning this repair. This OEM fuel nipple is a genuine part right from the manufacturer. This fuel nipple can work well for snowblowers, snow throwers, chippers, tillers, and log splitters. It is compatible with a range of models from brands like Craftsman, Yard Machines, Yard-Man, MTD, and Troy-Bilt.

This is a genuine replacement ignition key that is manufactured by MTD for use in select models of outdoor power equipment. The ignition key is a plastic piece that is inserted into the ignition cylinder to start the machine. Turning the plastic key will signal to the engine to fire. This is a durable plastic piece, but it can become damaged or lost over time, which will render the machine unable to start. Replacing it will be necessary in order to operate the unit. This genuine OEM ignition key is manufactured to exact standards. It can be used in snowblowers and snow throwers from MTD, Yard Machines, Troy-Bilt, Cub Cadet, Yard-Man, and Husky. The durable plastic key is sold as an individual unit and does not require any tools for installation. This is a simple replacement that should only take a couple of minutes. In the event that the old key is damaged or stuck in the ignition, it may take more effort. It is important to disconnect the power supply for safety before performing any repairs, as well as to wear gloves for hand protection.

This replacement part is a flange bolt and is intended for use in different types of lawn equipment. This is a genuine replacement part made by MTD. This flange bolt is small but an important part to many machines and appliances. Bolts are able to keep things and place and hold other parts secure so that the entire appliance is able to operate smoothly. A new flange bolt might be needed if the user notices that the current one is damaged or missing. This could mean that parts of the appliance are coming off or becoming loose overtime. This replacement should be fairly simple and should only require a screwdriver and possibly pliers if the previous bolt is lodged in the appliance. Be sure to reference the specific owner's manual before replacing this part. This bolt is sold as a single piece. This is a genuine OEM part and is sourced directly from the manufacturer.

This is a small engine spark plug positioned in the engine cylinder head. It supplies the spark that will ignite the air-fuel mixture to enable an engine to produce power. This particular spark plug is designed with superior corrosion resistance and dependable performance. Small but mighty, this component allows for increased conductivity and heat control. If the spark plug is damaged or in poor condition, many problems may arise in equipment, including sudden stop while running, overheating, and excessive gas consumption. Replace the spark plug by disconnecting the spark plug wire first, then use a socket driver or wrench to remove the spark plug. Install the new spark plug by turning it by hand initially to avoid cross-threading. If it doesn't twist anymore, use a deep socket wrench or socket driver to tighten the plug until snug. The spark plug can also be used to tune up outdoor power equipment or improve a small engine. This part is recommended to be replaced once per season. This part works with lawn mowers, snowblowers, tillers, leaf blowers, log splitters, wood chippers, and others with small engines. It is compatible with brands such as Craftsman, Cub Cadet, Troy-Bilt, Murray, Yard Machines, MTD, Huskee, Bolens, Yard-Man, and MasterCut. This is a genuine OEM part directly from the manufacturer and is sold individually.

This is a valve adjusting nut that is an integral part of many different types of lawn and garden equipment, such as lawnmowers, trimmers, and snowblowers. The location of the part will vary based on the model. Users can refer to the equipment's diagram to determine where the component is located. The nut acts as a fastener and is made of durable metal. However, it can be damaged, may break, or become lost and will need to be replaced.If the valve adjusting nut is damaged or missing, it will need to be replaced. A pair of work gloves and basic tools will be needed for the process. Take the lawn and garden equipment and place it on a level surface before removing the spark plug wire. Access the location of the nut and remove it before installing the new replacement part.This is a genuine OEM replacement part that is directly sourced from the manufacturer. The valve adjusting nut is sold as an individual item. The part is made to be compatible with snowblowers, lawnmowers, string trimmers, leaf blowers, edgers, log splitters, wood chippers, and tillers manufactured by MTD, Troy-Bilt, Yard Machines, Craftsman, Cub Cadet, Huskee, MasterCut, and Yard-Man.

The carburetor insulator gasket, or intake gasket, sits between the carburetor and the combustion chamber of a gasoline powered engine. This gasket provides a perfect seal that serves two purposes: to keep the fuel/air mix in the carburetor from experiencing too much heat before entering the combustion chamber and to prevent air or fuel from leaking. This particular gasket is used in a variety of small gasoline powered tools, including one- and two-stage snow blowers, log splitters, and other engine applications. This gasket continually experiences air, fuel, and heat extremes during use, and over time, the gasket may become warped or so worn that it becomes ineffective, allowing leaks to develop. When an insulation gasket begins to leak, there are some typical signs, including a very hot engine, stalling, sputtering, lack of power, and unusually high gas consumption. The carburetor must be removed in order to replace this gasket, which sits between the carburetor and intake manifold. When replacing this part, it is best to use a gasket such as this one, which is a genuine OEM replacement part, manufactured to be identical to the original part. This gasket is compatible with machines offered by Craftsman, Cub Cadet, Yard Machines, MTD, and Troy-Built.

This carburetor gasket is located between the insulator and the carburetor, creating a strong seal between the two to allow for optimal compression and engine performance. Over time and due to constant heat exposure, gaskets can degrade or become damaged. This can result in leaks in the system, which will impact performance and could cause the engine to fail completely if not properly addressed. If the carburetor gasket becomes faulty in any capacity, it needs to be replaced as soon as possible. This genuine OEM gasket replacement is manufactured to exact standards and is compatible with several models of snowblower engines from Troy-Bilt, MTD, Yard Man, Yard Machines, Cub Cadet, and Husky. This gasket is made of durable material, but gaskets could be more prone to damage or breakage during other repairs, so always use caution when working with this part. Allow the engine to cool completely and wear gloves when performing any engine repairs for hand protection.

This is a genuine OEM replacement governor arm sourced directly from the manufacturer for use on various snowblower and snow thrower engines. It is part of the mechanical governor system that controls the carburetor throttle to maintain steady speed regardless of how much stress the engine is under. The governor arm is located on the governor cross shaft. One end is connected to the governor spring and the other is connected to the throttle linkage. The governor arm is pushed in one direction and pulled in another to increase and decrease the throttle speed. If the throttle will not rev or gets stuck in one position, the throttle arm may be the cause. This part could be damaged in impact, for example of the blower is dropped or tips over. If this occurs, the throttle arm will need replaced.Remove the spark plug and drain the fuel before working on the governor. Remove the governor spring and detach the governor arm from the linkage. Install the new governor arm and reattach the spring. Replace the blower parts. Fuel the blower and test. Adjust the governor as needed.The governor arm is a metal part that is sold as an individual unit. It is compatible with snow blowers and snow throwers manufactured by MTD, Yard Machines, Troy-Bilt, and Cub Cadet.

This throttle return spring is a genuine MTD part, sold individually. This throttle return spring can be used as a replacement part in a snowblower or a log splitter. The purpose of a throttle return spring for one of these small engine outdoor appliances is to facilitate the opening and closing of the throttle in conjunction with the operator releasing or engaging the gas pedal of the appliance.If the throttle return spring can no longer facilitate the opening and closing of the throttle, the throttle return spring should be removed and replaced by this genuine OEM replacement part before the log splitter or snowblower is used again.Sourced directly from the manufacturer, this component is a genuine replacement part that is sold individually. This throttle return spring is compatible with the following outdoor appliance brands: MTD, Craftsman, Cub Cadet, Troy-Bilt, Yard Machines, and Yard Man.

This replacement part is a nut and is intended for use in different types of lawn equipment. This is a genuine replacement part made by MTD. A nut is a common part and is found in many types of machinery and appliances. These nuts help hold certain parts in place and secure so that the engine can run properly and smoothly.A new nut might be needed if the current one is visibly damaged or missing. Nuts can become stripped overtime due to normal wear and tear. This is common as nuts are heavily used inside the machine. If parts are falling apart or becoming loose, it might be time to replace the nuts. This part is sold individually but many machines require more than one. Be sure to purchase the correct amount. This is an OEM replacement part and is sourced directly from the manufacture to ensure a proper fit in many appliances.

This genuine replacement part is a fuel tank, also known as a fuel tank assembly. This part is the gas tank for a snow blower. This fuel tank holds gas, and is required for proper operation of a snow blower. A faulty or damaged fuel tank can leak gas, leading to improper or dangerous operation of the product. Shut off the snowblower, allow the engine to cool, and ensure the tank is empty before installation. Wear work gloves to protect the hands and work in a well-ventilated area during installation.This high quality OEM replacement part is sourced directly from the manufacturer, and is sold individually. This part is compatible with a variety of MTD, Yard Machines, Troy-Bilt, Yard Man, Cub Cadet, Husky snow blowers. Please note: original part number 751-11201 is now obsolete, and manufacturer has replaced the original part number with this part.

This is a genuine MTD fuel cap replacement made for use on select snowblowers. It features a molded gasket for secure sealing and less risk of losing parts. The fuel cap is responsible for securing the fuel in the fuel tank during operation so that it doesn't spill out. There is an air hole in the cap to prevent pressurization of the fuel, ensuring safe operation at all times. This cap is made of plastic and it can become cracked or stripped with regular use. If it is damaged, the fuel will not be secure and the machine will not be safe to use. That will require an immediate replacement. This OEM fuel cap is made to exact standards by MTD and is compatible with several models of snow blowers and snow throwers. It is also capable of fitting select models from Yard Machines, Troy-Bilt, Cub Cadet, Yard-Man, and Husky. It features an easy plastic grip and a seal to prevent spillage. It can be installed with no tools and is sold as an individual unit. It is easy to screw the new cap into place, but be sure to thread the screw properly to prevent accidental stripping or misthreading that can cause the cap to get stuck.

This flange bolt is a genuine MTD part, sold individually. This flange bolt can be used as a replacement part for a variety of small engine outdoor appliances including lawn mowers, snowblowers, string trimmers, leaf blowers, edgers, log splitters, wood chippers, and tillers. The purpose of a flange bolt is to serve as a fastening component, in conjunction with a nut, so components can be secured and affixed to one another over time.The flange bolt might have to be replaced at some point within the standard lifespan of the appliance if it is lost, misplaced, or damaged. The flange bolt can be gradually stripped over time, in which case it should be removed and replaced by this genuine OEM replacement part. Remember to always wear gloves when handling, repairing, and operating outdoor equipment. Always unplug the appliance before performing any kind of repair or replacement.This is an OEM part sourced directly from the manufacturer. It is sold individually. This flange bolt is compatible with the following outdoor appliance brands: MTD, Troy-Bilt, Cub Cadet, Craftsman, Yard-Man, Yard Machines, MasterCut, and Huskee.

The flywheel key keeps the engine flywheel and the crankshaft connected. In the event that the engine is forced to a sudden stop, the flywheel key could be sheared off, making it impossible for the engine to start back up again. Replacing the flywheel key is a part of routine maintenance for many modern engines, so it should be inspected and replaced as needed. This sturdy metal flywheel key is easy to install, but remember to choose the right torque setting when doing the replacement. Always disengage the spark plug and wear gloves when replacing engine parts. This genuine flywheel key is designed to be used in a number of lawn and garden equipment products from MTD, Troy-Bilt, Yard Machines, Cub Cadet, Yard-Man, Husky, and Bolens. It can be used as a replacement for many models of snowblowers, lawnmowers, and log splitters. Sold individually.

A gas powered engine often requires priming before it can run, which means injecting some of the fuel into the engine's carburetor. Here, a careful balance of air and gas will receive a spark that causes combustion. The most common way to prime an engine is to use a primer assembly that is activated by a bulb that is pressed to create suction and draw fuel into a reservoir or carburetor. This replacement fuel bulb is for snowblowers that rely on gas powered engines to run. The fuel bulb is very flexible and made to endure seasonal conditions. It works with Craftsman, Yard Machines, MTD, Troy Bilt, and Bolens snowblowers. This is an OEM replacement part that fits into the cover assembly and which requires only a wrench to replace and install. It is sold individually, and other components of the priming assembly may be needed.

The fuel drain plug gasket creates a solid, leak-proof seal in the fuel drain. The gasket goes into the connection between the drain and the fuel tank. In the event that this gasket fails, there could be fuel leakage from the equipment that could be costly or even dangerous. Make sure to inspect and replace all gaskets regularly to ensure that the engine is working efficiently. This gasket is made of durable rubber material and is simple to install. drain the fuel to provide access to the drain plug and the fuel line without spilling fuel everywhere. Always wear gloves and make sure to disconnect the spark plug or disable the engine before working on any outdoor power equipment. This OEM replacement fuel drain plug is compatible with several tillers, snowblowers, lawnmowers, tractors, and other outdoor power equipment made by Craftsman, Cub Cadet, Troy-Bilt, Yard Machines, MTD, Huskee, Yard-Man, and MasterCut. Sold individually.

The fuel bowl gasket provide an airtight seal to the fuel bowl. This will ensure that air, along with dirt and debris, do not make their way into the fuel. Gaskets will wear out over time. They will start to crack and fall apart, and they will no longer be capable of providing you with the necessary seal for the fuel bowl. The repair is easy and should only take between half an hour and an hour. This is an OEM replacement fuel bowl gasket part that is made from high-quality, durable rubber. Each of the fuel bowl gaskets is sold individually. The gasket can work well with many different types of outdoor power equipment, including snowblowers, chipper-shredders, tillers, lawn tractors, mowers, and other small engines. The fuel bowl gasket is compatible with many brands, including MTD, Yard Machines, Yard-Man, Troy-Bilt, Huskee, Cub Cadet, and Mastercut.

This is a genuine OEM replacement fuel bowl bolt for a snowblower, tiller, or chipper engine. The fuel bowl is a part of the fuel filtration system designed to prevent sediment from clogging up the carburetor. Fuel moves from the fuel tank and passes through the fuel bowl to catch any debris. It is essentially a particle filter. This bolt mounts the fuel bowl in place. The two most likely reasons why a fuel bowl bolt might need replacing are general wear and tear or loss. This bolt is located fairly close to the outside of the engine, making it more susceptible to the elements. Over time, the bolt may corrode and will need replacing. If lost while making a repair to the fuel bowl itself, the fuel bowl bolt will need to be replaced. Use a wrench to make the repair. This fuel bowl bolt is a top of the line replacement part for Bolens, Yard Machines, MTD, Troy-Bilt, Huskee, and Yard Man appliances. This part does not include any additional hardware, as it ships individually.