Parts for Craftsman 41ADZ40C799: Engine Assembly Parts

Replacement screw for outdoor power equipment including lawn tractors, tillers, leaf blowers, and trimmers. Replace stripped, missing, or damaged screws.

Fastener screw for tillers and lawn equipment. Secures components together for stable operation. Replace if stripped, missing, or damaged during maintenance.

This breather hose is a component that makes up part of the ventilation system for the crankcase with lawn and garden tools. It has a single way valve that prevents excess exhaust gases from transferring to the engine. A reed is included to help lubricate the piston as the hose moves oil to the crankcase. The tube is made with special fibers that filter and cool the air to prevent the engine from overheating.If oil is leaking from lawn and garden equipment, this can indicate that the breather hose needs to be cleaned or has been damaged. If it is dirty, it will often create blue smoke that leaves the exhaust pipe. If the smoke is dark, this is a sign that the breather hose may be damaged and need replacement. Inspect the hose to see if it looks dirty or damaged so a replacement can be made if needed.This breather hose is an OEM replacement component directly sourced from the manufacturer. It is a single individual hose. The breather tube can be used with lawnmowers, tillers, string trimmers, edgers, and leaf blowers by Yard-Man, Craftsman, Cub Cadet, Bolens, Ryobi, Troy-Bilt, Murray, MTD, and Yard Machines.

This is a genuine replacement oil plug that is found in certain trimmers, edgers, and blowers designed for outdoor use. The oil plug is used to seal and fill the oil in the engine. This part is a high-quality plastic piece that features threads for screwing it into place and an O-ring to create a strong seal to prevent leaks and ensure optimal engine pressure. The oil cap may become stripped or damaged over time, or the O-ring could become faulty. In either case, replacing the entire cap/plug is the easiest solution.This genuine OEM replacement oil plug is compatible with machines from Troy-Bilt, MTD, Yard-Man, Yard Machines, and Cub Cadet. The plug is sold individually and comes with the O-ring. There are no other parts or hardware included. No tools are required to replace this plug. Simply unscrew the old one and screw the new one into place once the O-ring has been put on the new plug. Wear gloves whenever engine work is being performed to ensure hand protection. The oil should be checked regularly in all machines, which is a good time to check the cap to ensure it isn't damaged or in need of replacement.

This replacement part is an oil plug ring. It is a genuine replacement part made by MTD. This specific part is typically found in machines and appliances that have an oil tank. This ring is used to make sure that the oil from the machine does not escape during use.A new oil plug ring might be needed if the current one is allowing oil to escape from the tank. If there are oil drips near the engine it is possible that the ring is damaged or broken. This part is small but important to the overall use of many machines. Be sure to reference the specific user manual for more information on how to replace this part. This part is sold individually. It is a genuine OEM replacement part and is sourced directly from the manufacturer to ensure a proper fit and long-lasting use.

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 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.

This part is a replacement lead wire kit. This is a genuine OEM part made by MTD and has been sourced directly from the manufacturer. This part's intended use is to replace a broken or defective lead wire in line trimmers.Lead wires are critical for the line trimmer to work as they connect the electrical system required to power the equipment. Wires can become stripped, broken, stretched, or otherwise defective over time and thus will require replacement. It's important when working on or near to an engine to make sure the equipment is powered off and completely cooled down before starting any repairs. Take caution when working with electrical wiring. For more accurate information on how and where to install these lead wires, reference the appropriate owner's manual and specific equipment diagrams.This is an authentic OEM replacement part made of high-quality materials. These lead wires can be used with different models of line trimmers that have been manufactured by MTD, Craftsman, Troy-Bilt, and other brands. Part sold individually.

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.

Replacement muffler screw that secures the muffler cover in place on lawn equipment. Needed when original screw is stripped, missing, or damaged.

Engine won't start or runs rough? This spark plug provides reliable ignition for small engines in trimmers, blowers, and tillers. Easy DIY replacement.

This gasket is a genuine MTD part. It is an insulator gasket meant as a replacement part on tillers, string trimmers, leaf blowers, edgers, and cultivators. The insulator gasket seals the connection between the insulator and cylinder. This gasket is made of durable, heat-resistant plastic. To replace the insulator gasket, a pair of work gloves, wrench, and screwdrivers are necessary. This gasket is a genuine OEM part sourced directly from the manufacturer. It is sold individually. It is compatible with machines made by Craftsman, Cub Cadet, MTD Pro, Troy-Bilt, Yard Machines, and Yard-Man.

Replace your missing or stripped 10-32 hex nut for tillers and lawn tractors. Secures panels, guards, and components. Essential hardware replacement.

Complete carburetor assembly for gas string trimmers. Mixes air and fuel for engine combustion. Replace if cracked, corroded, or leaking fuel.

This is a genuine replacement O-ring, which is a standard part on a number of engines. This O-ring is specifically designed as a replacement for the one found in the carburetor on select lawn and garden engines. The O-ring is designed to create a seal in the carburetor to ensure optimal performance and prevent leaks. It is also designed to help create the right amount of pressure. Over time, O-rings can become corroded, worn, or damaged due to their exposure to pressure and high heat. If they become broken or damaged, they can result in poor engine performance or even total engine failure. This genuine OEM O-ring is manufactured by RYOBI and compatible with a number of tillers, trimmers, and blowers from this brand. It is also designed for use with select models from Bolens, Yard Man, MTD, and Troy-Bilt. There are more than 150 models that can use this specific O-ring. It is made of durable materials and sold as an individual unit. Keep in mind that because O-rings have multiple applications and engines may have more than one type, it is important to double-check the location and application of the part to ensure the right one is being used.

This is a genuine OEM replacement air filter and housing designed for select outdoor trimmers. The air filter and housing are important to keeping the engine clean. The filter helps to keep debris and dirt from getting into the engine while the filter housing protects it from excess debris or impact damage. Together, they ensure that the engine only gets clean, filtered air for optimal performance. Over time, the filter will become clogged and checking and replacing it should be part of routine maintenance. It is a good idea to inspect the cover assembly when replacing air filters or doing other maintenance to identify potential repairs or issues that need attention. Be sure to wear gloves when performing this repair. Replacing the filter is easy, but there are some instances where the entire unit needs replaced. This genuine OEM part can provide the perfect fit for select trimmers from Craftsman and MTD. It is sold as a complete assembly with the filter and housing. No hardware is included. There are no tools required to install this part.

Foam air filter prevents debris from entering your engine. Replace if dirty, clogged, or causing black smoke and high fuel consumption. Verify fit.

Replacement fuel tank assembly for gas trimmers and handheld outdoor equipment. Installs to house fuel safely. Replace if cracked, leaking, or damaged.

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

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.

Fixes trimmer that won't start or has a stuck pull cord. This starter housing assembly restores reliable starting on gas line trimmers.

Tractor won't move or drives when disengaged? The clutch assembly engages and disengages power from engine to wheels. Moderate DIY repair.

This is a genuine replacement screw designed for use in select MTD engines on lawn and garden equipment. Specifically, this is an anti-rotation screw, which is used to stop the drive shaft housing from turning inside of the main housing assembly. This screw is a small part that is subject to constant vibrations, pressure, and high temperatures. It can sometimes become worn or damaged as a result or even break off entirely, which would mean that the inner housing would no longer be held in place accordingly. If this screw is damaged or lost, it needs to be replaced with a genuine OEM replacement as soon as possible. This MTD anti-rotation screw is manufactured with high-quality materials and designed for use in select trimmers from MTD, RYOBI, Yard-Man, Troy-Bilt, Murray, Cub Cadet, Yard Machines, and Bolens. This replacement will require a screwdriver. Simply remove the damaged screw, if it is not already missing, from the clutch cover assembly, and then install the new screw. It should only take a few minutes to perform the replacement. Be sure to wear gloves to protect the hands. This screw is sold individually and does not include any additional parts or hardware.

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.

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.