According to the WeedEater user manual, the main trimmer parts include the throttle trigger, assist handle, shield, trimmer head and line limiter blade. The key parts of the motor are the starter rope, spark plug, on/off switch, choke lever, primer bulb and fuel mix fill cap.
Replacement parts are available for purchase directly from the manufacturer, at WeedEater's website. There, consumers can purchase fuel, lubricants, trimmer heads and spools, trimmer lines and other parts and accessories. The specifications are included in the description for each part, and compatible WeedEater models are listed as well, to ensure that shoppers purchase the right part to go with their specific machines.