840R (102084332) Ryobi Trimmer - Overview

Primer and Hose Assembly This manufacturer-certified primer and hose assembly includes the primer bulb, the primer bulb housing, and the fuel line. Any or all of the clear plastic parts in this assembly may experience wear an... Add to cart

Trimmer Bump Head Knob

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This genuine bump head knob assembly, sometimes known simply as the bump head, is black and approximately 2 inches long. Sold individually, this plastic part releases the cutting line. Over time, this... Add to cart

Line, Fuel Return

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The OEM fuel return line, or fuel return tube, is a clear plastic line that returns fuel from the primer bulb back into the fuel tank of your engine. You will know your fuel return line is in need of ... Add to cart

Lawn Mower Hex Washer Head Screw This is an original replacement part sourced directly from the manufacturer. The screw is commonly found in yard equipment from Craftsman, such as lawn tractors, snow blowers, and edgers. This part ... Add to cart

Spark Plug This Spark Plug is inserted into the cylinder head and is rated as "Easy" to install. The spark plug ignites the air fuel mixture inside the combustion chamber. If the part doesn't work, or is missing... Add to cart

Spring-spool Genuine OEM replacement part, this item is sold individually. This spring is used on all of the trimmers listed below. It is installed between the inner reel and the outer spool assembly. Its purpose... Add to cart

4-Tooth Blade This is an original replacement part manufactured for use with trimmers. This coated steel blade is used to get more use out of trimmers. The strong blade is used to cut tall grass and brush when clea... Add to cart

Shoulder Strap Harness This shoulder strap is an authentic manufacturer-sourced part that is designed for use in a variety of lawn and garden equipment. It is an adjustable strap made of durable synthetic material that is w... Add to cart

Fuel Cap Assembly It is a genuine replacement part which is supplied directly from the original equipment manufacturer for use with handheld lawn and garden equipment. The purpose of this special cap is to keep the fue... Add to cart

Cutoff Blade Assembly This is an original replacement part manufactured for use with trimmers. The metal blade assembly attaches to the trimmer guard with two nuts and bolts, the hardware will come with the blade assembly.... Add to cart

Upper Clamp Assembly It is a genuine manufacturer-sourced replacement part that is supplied for use with handheld trimmers and tillers. This is the special clamp assembly which is used to secure the gearbox assembly to th...

Throttle Trigger Spring This throttle trigger spring is an OEM part guaranteed to fit the trimmers listed below. It attaches to the throttle trigger (part # 791-181807). When dismantling the handle, be sure to take detailed ... Add to cart