Shop replacement repair parts for Toro String Trimmer model 51950A

Small engine primer bulb. The primer bulb draws additional fuel into the carburetor to help start the engine.

Champion spark plug (RCJ6Y). 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.

Homelite compression spring. Pushes bump knob back out after string is released.

Homelite fuel line clip.

Throttle cable

Homelite primer fuel line.

Steel ring- piston

Clip

Switch,pressure


Button-off lock




Cylinder