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Popular Troy-Bilt String Trimmer Parts

Your Price
$11.94
Bump Head Knob Assembly
(2)
PartSelect Number PS9306452
Manufacturer Part Number 791-153066B
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 part may break due to wear, and you will know it is broken because it will completely stop functioning. A troubleshooting tip is to tap the part on theg round to see if the cutting line advances. This is an easy repair to make, and does not require any tools. You will need to look for the bump head attachment point on the bottom of the cutting head assembly.
Fixes these symptoms
No Symptoms for this part
Your Price
$4.87
Throttle Trigger
PartSelect Number PS11839169
Manufacturer Part Number 753-04119
Fixes these symptoms
No Symptoms for this part
Your Price
$7.36
Switch
PartSelect Number PS10014381
Manufacturer Part Number 791-182405
This Switch is a black, plastic on/off switch for a trimmer. Installation of this manufacturer-certified switch is rated as "Easy" and requires a screwdriver, wrench set and socket set. Refer to your make, model, and diagrams to ensure this switch is correct for you.
Fixes these symptoms
No Symptoms for this part
Your Price
$15.35
Primer and Hose Assembly
PartSelect Number PS10014772
Manufacturer Part Number 791-683974B
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 and tear over time that cause fuel to leak due to cracking or blockages. If they are not functioning, these parts will fail in their function of supplying fuel from the tank to the carburetor. This is an easy repair, which can be made by identifying the location of the parts, between the fuel tank and the carburetor, and reinstalling them with no special tools required. When installing, make sure the fuel lines are tight to prevent leaks and fire hazards.
Fixes these symptoms
No Symptoms for this part
Your Price
$5.26
Fuel Return Line
(2)
PartSelect Number PS9137685
Manufacturer Part Number 791-181086
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 replacement if cracks or leaks have begun appearing, and fuel is leaking from your carburetor. This part is sold individually, and you will know if it is right for your engine by checking your model number or owners manual. One end of the line will attach to the primer bulb, and the other to the fuel tank; make sure all fuel lines are tight when completing this repair, to prevent leaks and fire hazard risks. Most customers rated this repair as easy.
Fixes these symptoms
No Symptoms for this part
Installation Instructions
Howard from NEWBURGH, IN says,

Dry rot hoses
Took off old and new parts went right in place....read more

Your Price
$17.19
Clutch Assembly, Small
(2)
PartSelect Number PS9303676
Manufacturer Part Number 753-05860
Fixes these symptoms
No Symptoms for this part
Your Price
$9.31
Blade Retainer Kit
PartSelect Number PS10013398
Manufacturer Part Number 791-180014B
Fixes these symptoms
No Symptoms for this part
Your Price
$18.59
Line Trimmer Spool
(1)
PartSelect Number PS9119496
Manufacturer Part Number 753-1155
This spool is for line trimmers. Spool houses the cutting line and fits inside the cutting head to cut grass and weeds. Wear work gloves to protect your hands when installing this part.
Fixes these symptoms
No Symptoms for this part
Your Price
$12.58
Bump Head Knob Assembly
(3)
PartSelect Number PS10013974
Manufacturer Part Number 791-181468B
This OEM bump head knob assembly, known simply as the bump head assembly sometimes, advances the line on your trimmer in the spool. Black in color, it is made of plastic and steel and is sold individually. Tap your trimmer on the ground to see if the cutting line advances to determine if there is a problem with this part. If it will no longer feed, it is likely that this part needs to be replaced. Most of our customers rated this repair as easy. You can attach your new part to the cutting head with no special tools required to complete the repair.
Fixes these symptoms
No Symptoms for this part
Your Price
$10.29
Spark Plug
PartSelect Number PS10014637
Manufacturer Part Number 791-610311B
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 then the engine will not start and the spark plug must be replaced. This part should also be replaced annually as a part of proper engine maintenance. Tip: Gap to manufacturer's specs before installing.
Fixes these symptoms
No Symptoms for this part