OEM Ryobi Trimmer Parts & Accessories

BUMP FEED TRIMMER HEAD ASSEMBL

$36.14

Fix Number: FIX18784505
Manufacturer Part Number: 314608005

COMPRESSION SPRING

$6.51

Fix Number: FIX18788656
Manufacturer Part Number: 679034001

This is a compression spring for trimmers and edgers. The purpose of the compression spring is to provide tension to the trimmer head feed assembly. It is common for this spring to weaken to the point that it is no longer supplying tension. This may become obvious when the trimmer head is feeding line even when it has not been bumped to the ground. For this repair, you will need to remove the head knob, spool, and plastic slider. This should be a fairly quick and simple process that can be done with a screwdriver.

GUARD ASSEMBLY

$13.33

Fix Number: FIX18784941
Manufacturer Part Number: 351122001

This authentic OEM guard assembly, also known as the grass deflector or guard blade, plays a crucial role in your handheld lawn equipment. It shields the user from debris, grass, and dirt that can be thrown during operation. This assembly is usually positioned around the cutting head and includes the cutting blade. If you notice visible cracks, breaks, or any form of damage on the guard, if it becomes loose or detached, or if it fails to block debris effectively, it is time to replace it. To install the new assembly, remove the existing guide wheel and replace it on the new trimmer guard. Simply take off the retaining washer for the wheel, slide it off, replace the guard, and then put the wheel and retention washer back in place. Keep in mind that this replacement kit does not include accompanying hardware.

Trimmer Bump Head Knob

$21.24

Fix Number: FIX9306452
Manufacturer Part Number: 791-153066B

This bump knob assembly fits lawn and gardening tools, usually trimmers. This part bumps on the ground to advance the cutting line from the spool. With time and use, this part can wear out easily. It is recommended to order an extra knob assembly to always have on hand. Refer to the manual provided by the manufacturer for installation instructions and safety practices.

Fixes these symptoms

Cutting line does not come out
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SPARK PLUG 4 CYCL

$11.59

Fix Number: FIX19298356
Manufacturer Part Number: 794-00082

Trimmer Head

$32.57

Fix Number: FIX12643974
Manufacturer Part Number: 308210009

This trimmer gear head assembly is designed to transfer power from the drive shaft to the cutting head, allowing the string trimmer or brush cutter to operate smoothly and efficiently. Housed in a durable gearcase, it supports reliable rotation and helps maintain consistent cutting performance during use. Replacing a worn or damaged gear head can resolve issues such as loss of power to the cutting head, excessive noise, or erratic operation, restoring dependable performance. A properly functioning gear head also helps reduce strain on the drive system, contributing to longer service life and more efficient trimming results.

Spool Retainer (Red-LH Thread)

$6.51

Fix Number: FIX9937840
Manufacturer Part Number: 308042003

This is an OEM replacement part. It has a left hand threaded screw to remove and attach it to the trimmer head. Its purpose is to hold the spool with the cutting line, in the spool housing. It also acts as the bumper to advance the line from the spool. This is a well used and abused part of the trimmer. It may be a good idea to order an extra one.

Watch the install video

Primer and Hose Assembly

$36.31

Fix Number: FIX9150700
Manufacturer Part Number: 791-683974B

This is a primer and hose assembly, and it is used on various lawn equipment. The assembly comes with two parts. The first is the hose which is almost 5 inches long, and less than a 1/4 inch thick. The second part is the primer bulb or primer pump, and that is 2 inches long, and 1 inch wide, with a round bulb head. Together, the primer and hose assembly fill the carburetor with fuel to give your machine a quicker start. After time, your hose will crack and your primer will lose elasticity. Both will have to be replaced when this happens. Before starting this repair make sure to drain the fuel from the tank, and remove the spark plug.

Fixes these symptoms

Will Not Start
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Plastic Slider w/Metal Insert

$6.51

Fix Number: FIX9939457
Manufacturer Part Number: 310920001

This is the plastic slider for your trimmer. It is made of plastic and metal and is white and color. It measures approximately 2 ½ inches long and 1 inch wide. The slide works with the spool and uses centrifugal force to automatically release the cutting line from the spool. The main reason to replace the slider is if it is damaged or missing, or if the cutting line is not being automatically released. This part is sold individually and is an OEM part sourced directly from the manufacturer.

Watch the install video

Line, Fuel Return

$11.30

Fix Number: FIX9137685
Manufacturer Part Number: 791-181086

This is a fuel return line, and it is used with various outdoor lawn equipment. Fuel travels through the return line into the carburetor, and from the primer bulb/pump into the fuel system. The line returns the extra fuel back into the tank. This part will crack and become brittle over time. If your fuel line is leaking, you will need to replace it. Before you begin repair work on your equipment make sure you drain the fuel from the tank, and remove the spark plug.

Fixes these symptoms

Will Not Start
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