Parts for Weedeater MX557: Driveshaft / Handle / Shield Parts

Replace a broken or unresponsive throttle trigger that prevents speed control on your line trimmer. Controls engine speed through the throttle cable.

This replacement part is a screw. This part is a genuine replacement part made by Husqvarna. Screws are small but important in many different types of machinery. Screws are able to hold different parts in place and help them stay secure during use so that the machine can operate smoothly and efficiently. A new screw might be needed if the current one is missing or damaged in any way. It is possible that the screw can become stripped over time and therefore not stay in place properly. If this is the case it is recommended that it be replaced. This repair should be fairly easy and only require a screwdriver and possible pliers. This part is sold individually and is sourced directly from the manufacturer to ensure proper fit and long-lasting use. Note that This is a genuine OEM replacement part.

Replacement D-handle nut for brush cutters and trimmers. Secures the D-handle to the shaft assembly. Replace if stripped, cracked, or missing.

Shield bracket secures the debris deflector to your trimmer shaft. Replace if cracked, broken, or missing to properly mount the shield and protect you.

Carburetor adaptor mounting screw for trimmers and outdoor power equipment. Replace if stripped, missing, or damaged to secure carb adaptor properly.

Tapping screw for outdoor power equipment engines. Replaces missing, stripped, or damaged mounting screws. Consult your parts diagram for location.

Fix a line trimmer that won't spin or makes grinding noises with this gearbox. Moderately difficult repair requiring basic tools and disassembly.

Replacement D-handle nut for brush cutters and trimmers. Secures the D-handle to the shaft assembly. Replace if stripped, cracked, or missing.

Replacement tension spring for gas and grass line trimmers. Install this spring if your current one is broken, stretched, or missing to restore proper function.

Outer cover for string trimmer housing that clips into the reel bottom and secures behind the center button. Replace if cracked, broken, or missing.

Outer cover for string trimmer housing that clips into the reel bottom and secures behind the center button. Replace if cracked, broken, or missing.

Replacement bump knob for line trimmers. Secures the spool on the trimmer head. Replace if cracked, broken, stuck, or seized. Easy installation component.

Choke lever for gas line trimmers. Mounts on the engine control housing. Replace if the lever is broken, cracked, or missing to restore choke operation.

Primer bulb pushes fuel into the carburetor for easier cold starts. Replace if cracked, stiff, or not pumping fuel. Verify fit with your model number.