MS2550SE (41ADZ33C768) MTD Trimmer - Overview

This manufacturer-certified primer and hose assembly includes the primer bulb, the primer bulb housing, and the fuel line. Any or all of the clear plastic parts in this assembly may experience wear and tear over time that cause fuel to leak due to cracking or blockages. If they are not functioning, these parts will fail in their functio...Read moren of supplying fuel from the tank to the carburetor. This is an easy repair, which can be made by identifying the location of the parts, between the fuel tank and the carburetor, and reinstalling them with no special tools required. When installing, make sure the fuel lines are tight to prevent leaks and fire hazards.

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 Switch is a black, plastic on/off switch for a trimmer. Installation of this manufacturer-certified switch is rated as "Easy" and requires a screwdriver, wrench set and socket set. Refer to your make, model, and diagrams to ensure this switch is correct for you.

The manufacturer-certified Air Cleaner Filter is a grey foam filter used to prevent debris and dirt from entering the carburetor and engine, causing damage. Installation is rated as "Easy". This filter may become clogged and cause the engine to run rough due the restricted air flow, at which time the filter should be replaced. This filter is placed inside the air cleaner housing.

This Spark Plug is inserted into the cylinder head and is rated as "Easy" to install. The spark plug ignites the air fuel mixture inside the combustion chamber. If the part doesn't work, or is missing then the engine will not start and the spark plug must be replaced. This part should also be replaced annually as a part of proper engine maintenance. Tip: Gap to manufacturer's specs before installing.

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.

The lower drive shaft housing has been OEM sourced to ensure a high level of quality. This item is intended to be used with trimmers from MTD, Troy-Bilt, Yard-Man, and Cub Cadet. The lower drive shaft is used to link the upper shaft with the cutting head assembly. This part will include the housing and the inner drive shaft and it is pre-assembled. This item is priced as a single part.

This is a genuine replacement part is designed for use with handheld trimmers. It is sourced from original manufacturer and it is sold individually. This split boom coupler includes metal coupler, knob and screws needed to fasten the upper shaft housing to the lower boom assembly. To complete this repair you would need a phillips head screwdriver.

This is a genuine manufacturer approved replacement mulching door torsion spring designed for use with handheld trimmers/edgers. This spring helps the throttle trigger to retract. It is made out of metal and it is sold individually. Replacing this item you would need a screwdriver and pliers.

Discover the Ryobi Upper Drive Shaft and Housing Assembly designed specifically for line trimmers. With a shaft height of 25-1/8" this durable assembly is crafted to house and protect the drive shaft ensuring seamless operation for your trimming works. This genuine Ryobi item is engineered to not only withstand rigorous use but also provi...Read morede optimal fit and performance. To safeguard your hands and ensure a secure installation it is recommended that you wear work gloves during the assembly process. Trust in the quality of Ryobi for a reliable solution that ensures your line trimmer is working at its best.

This is a high quality OEM supplied replacement hardware that is specially produced for use with lawn and garden equipment. It is a standard hardware that has multiple uses depending on the unit, please make sure to check appropriate diagrams for correct location and use of this screw. Please note one durable metal torx screw is included per order.