41AD780C799 MTD Trimmer - Overview

This genuine bump head knob assembly, sometimes known simply as the bump head, is black and approximately 2 inches long. Sold individually, this plastic part releases the cutting line. Over time, this part may break due to wear, and you will know it is broken because it will completely stop functioning. A troubleshooting tip is to tap t...Read morehe part on theg round to see if the cutting line advances. This is an easy repair to make, and does not require any tools. You will need to look for the bump head attachment point on the bottom of the cutting head assembly.

This gearbox is for line trimmers. Gearbox contains the gears that turn the line spool for cutting.

Fuel tanks are responsible for storing and supplying fuel, like gasoline, for an engine. This fuel tank assembly is designed for and compatible with various models of trimmers and includes the plastic fuel tank and fuel cap, securing screws, and 2 fuel lines. To best maintain your fuel tank, make sure to inspect the fuel filter regularly ...Read morefor any clogs that could affect equipment performance, and replace it when necessary. Over time and through aging, fuel tanks themselves can wear down and crack, or get severely clogged, leading to issues like contamination rendering the tank unsafe to use, and in need of replacement. You must drain the fuel from the tank before you replace it, and you will need a screwdriver or wrench to remove any panels and securing screws containing the tank.

This is an authentic Craftsman replacement part that has been sourced from the original manufacturer to be used with trimmers and blowers. The gasket is used to seal the connection between the carburetor and the air cleaner assembly. It is recommended to replace gaskets when servicing the motor to ensure proper seals when the parts are reassembled. This item is available as an individual replacement part.

This clutch assembly is a genuine OEM replacement kit for outdoor lawn equipment. The kit includes the clutch drum, clutch, clutch washer, and screw. The clutch assembly transfers power from the engine to the cutting attachment which allows you to operate the equipment. Over time, the clutch assembly may malfunction due to normal wear and...Read more tear or accidental damage. If the small clutch assembly fails, the engine will likely stall, and the cutting attachment will not be able to engage. To remove the clutch assembly, first bind the piston to prevent it from rotating. You can do this by removing the spark plug and inserting a length of rope into the cylinder with a few inches remaining outside. Remove the clutch cover and use a clutch removal tool to remove the nut that secures the assembly. Pull the old assembly from the crankshaft and position the new assembly in its place, ensuring it is securely fitted.

This plastic throttle trigger measures 2.5-inches in length and controls the power, speed, and intensity of the motor for your lawn equipment through the throttle cable and carburetor it is attached to. Sold as an individual part without any securing hardware, this trigger, although made of durable plastic, is a high-use part that will ne...Read moreed to be replaced more often than other parts. Check the user manual for your model for exact placement and installation location of this trigger.

This is a manufacturer approved O-Ring designed for lawn and garden equipment. This is the O-Ring that provides an Air Tight seal between Carburetor and Cylinder Head. If doing maintenance on carburetor it is recommended to replace the O-Ring instead of re-using the old one. Over time rings and seals tend to dry out and would no longer provide proper seal compromising engines performance.

This spool is for line trimmers. Spool houses the cutting line and fits inside the cutting head to cut grass and weeds. Wear work gloves to protect your hands when installing this part.

This air filter is an original sourced directly from Craftsman. The filters purpose is to keep dirt, dust and other contaminants from entering the carburetor and engine. You can clean this foam filter by putting it in a clean plastic bag with a little oil and rub the oil into the filter, then remove the filter and squeeze it in a paper towel to remove the excess oil. This is an individually sold part.

Lower boom assembly

Genuine OEM replacement part, this item is sold individually. This spring is used on all of the trimmers listed below. It is installed between the inner reel and the outer spool assembly. Its purpose is to keep pressure on the Bump Head Knob Assembly.

This is a genuine anti-rotation screw from the Ryobi manufacturer. The metal screw is compatible with many lawn and garden trimmers. This item works to help secure the clutch cover assembly. This part is sold individually. A screwdriver is needed in making the repair.