Shop replacement repair parts for Toro String Trimmer model 51970A

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.

String trimmer bump knob (or spool retainer) with left-hand threads. Color: red.

String trimmer gear head assembly

Homelite fuel line clip.

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

Throttle cable

String trimmer head kit. This kit includes the stringhead, bump knobs, and spring.

Homelite primer fuel line.

Gasket-carburetor

Clip

M5 x0.8 x16mm torx recess pan

Screw,1/4-20 x 1 1/4 hex washe

Muffler Assembly

Hex nut m6.3 x 1 black oxide