TB425CS (41ADT42C711) Troy-Bilt Trimmer - Overview
Sections of the TB425CS
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Trimmer Bump Feed Knob
PartSelect #: PS10013974
Manufacturer #: 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 individu...
No Longer Available

Throttle Trigger
PartSelect #: PS11839169
Manufacturer #: 753-04119
This plastic throttle trigger measures 2.5-inches in length and controls the power, speed, and intensity of the motor for your lawn equipment through the throttle cable and carburetor it is attached t...
No Longer Available

Edger Fuel Tank Pick-Up Line & Filter
PartSelect #: PS10014339
Manufacturer #: 791-182353
The Fuel Pick Up Line with Filter is an OEM plastic part used to filter and deliver fuel to the carburetor. If broken, the engine will not get fuel and the part should be replaced. This part is rated ...
$12.52
Special Order

Trimmer Switch
PartSelect #: PS10014381
Manufacturer #: 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 ...
$12.77
In Stock

Trimmer Fuel Return Line
PartSelect #: PS10014337
Manufacturer #: 791-182352
The Fuel Return line is a blue plastic tube which attaches to the purge bulb and fuel tank in order to return fuel back to the tank after the primer bulb is pressed. It is rated "Easy" to install and ...
$9.48
Special Order

Trimmer Small Speed Spool Spring
PartSelect #: PS10013968
Manufacturer #: 791-181459
No Longer Available

Trimmer Air Filter
PartSelect #: PS10014105
Manufacturer #: 791-181757
This is a foam air filter designed for use within various models of outdoor power equipment like trimmers and leaf blowers. This foam filter measures approximately 3-inches in length and fits within t...
$5.95
In Stock

Trimmer Throttle Housing and Trigger Assembly
PartSelect #: PS10009073
Manufacturer #: 753-04234
$26.52
Special Order
Questions And Answers for TB425CS
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Walker
November 11, 2021
Is it possible to replace the primer bulb with out replacing the entire carb?
For model number TB425CS
Hi Walker,
Thank you for your question. The primer bulb is only sold with the carburetor for this model. If you would like to place an order for the carburetor, you may order it either online or by calling our customer service line and anyone will be happy to assist you. We hope this helps! If you have any questions, please let us know.
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