Shop replacement repair parts for MTD String Trimmer model MS2550SE

Small engine primer bulb with hose, large diameter. If the engine does not start the primer bulb may be defective and unable to draw additional fuel in to the carburetor to assist with starting the engine.

Champion Spark Plug (RDJ7Y). The spark plug ignites the fuel and air mixture in the engine's cylinder to power the engine. If the spark plug is has fouled (if the tip of the spark plug is burnt or damaged), the engine may not start or may run rough.

Throttle trigger

On-Off Switch

Replacement clutch kit

Gasket carburetor

Filter air cleaner

Scr 8-32 x .312 ph

Assembly split boom coupler

Screw 10-32 x .250 Tap

Piston ring set

Scr:10-32x.562:#8ph:

Throttle trigger spring

Line cutting blade kit

Trimmer guard with blade