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Popular Troy-Bilt String Trimmer Parts

Bump Head Knob Assembly – Part Number: 791-153066B
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
Throttle Trigger – Part Number: 753-04119
Your Price
$4.87
Throttle Trigger
PartSelect Number PS11839169
Manufacturer Part Number 753-04119
Fixes these symptoms
No Symptoms for this part
Primer and Hose Assembly – Part Number: 791-683974B
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
Switch – Part Number: 791-182405
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
Clutch Assembly, Small – Part Number: 753-05860
Your Price
$17.19
Clutch Assembly, Small
(2)
PartSelect Number PS9303676
Manufacturer Part Number 753-05860
Fixes these symptoms
No Symptoms for this part
Fuel Return Line – Part Number: 791-181086
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

Bump Head Knob Assembly – Part Number: 791-181468B
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
Line Trimmer Spool – Part Number: 753-1155
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
Carburetor – Part Number: 753-06190
Your Price
$18.78
Carburetor
(3)
PartSelect Number PS9119300
Manufacturer Part Number 753-06190
It is an authentic manufacturer-sourced replacement part that i supplied for Craftsman trimmers. The function of a carburetor is to mix the air and the gas into a highly combustible mix before it goes into the engine, over time components may wear out eventually requiring a replacement to ensure peak performance. It is a high-quality metal body carburetor with included rubber primer bulb, please note this assembly is sold individually. When replacing a carburetor it is advised to replace the gaskets as well to ensure the proper seal, keep in mind gaskets are sold separately.
Fixes these symptoms
Will Not Start


Installation Instructions
William from PALMETTO, FL says,

Carburetor replacement
Removed 2 screws securing the air cleaner and carburetor to the engine using a T25 Torx driver. then removed the throttle cable from the carb.Then removed the o ring gasket from the engine and replace...read more

Blade Retainer Kit – Part Number: 791-180014B
Your Price
$9.31
Blade Retainer Kit
PartSelect Number PS10013398
Manufacturer Part Number 791-180014B
Fixes these symptoms
No Symptoms for this part