Shop replacement repair parts for Toro String Trimmer model 51972

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

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

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

Homelite fuel line clip.

Champion Spark Plug (RCJ4)

Screw,m5 x 50mm

String trimmer gear head assembly

Throttle cable

Homelite primer fuel line.

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

Phenolicheat damtoro

Clip

Lever-choke

Switch,pressure

Spring-compression