Can't find your part?   Contact us:   +1-309-603-4777
Open Hamburger Menu
Sears Parts Direct
Tips to find your model number
Orders
Your models

Keep track of the models you own in your profile

Sign in or Register to view or add models

Schedule a repair
Gas Line Trimmer

Model # TB425CS Official Troybilt 4-cycle gas trimmer

Here are the diagrams and repair parts for Official Troybilt TB425CS 4-cycle gas trimmer, as well as links to manuals and error code tables, if available.

By Schematic
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts forTB425CS Line Trimmers

  • Nut 791-181815
    #12

    Boom and trimmer diagram

    Nut

    Part #791-181815

    The manufacturer no longer makes this part, and there's no substitute part

  • Dipstick 753-04041
    #78

    Engine parts diagram

    Dipstick

    Part #753-04041

    The manufacturer no longer makes this part, and there's no substitute part

  • Line Trimmer Motor Compression Spring 791-612468
    #87

    Engine parts diagram

    Line trimmer motor compression spring

    Part #791-612468

    The manufacturer no longer makes this part, and there's no substitute part

  • Pal Nut 791-181247
    #45

    Engine parts diagram

    Pal nut

    Part #791-181247

    The manufacturer no longer makes this part, and there's no substitute part

  • Trigger 753-04119
    #2

    Boom and trimmer diagram

    Trigger

    Part #753-04119

    The manufacturer no longer makes this part, and there's no substitute part

  • Strap 791-682075

    #NI08

    All parts diagram

    Strap

    Part #791-682075

    The manufacturer no longer makes this part, and there's no substitute part

  • Kit 753-1248

    #NI05

    All parts diagram

    Kit

    Part #753-1248

    The manufacturer no longer makes this part, and there's no substitute part

  • Spool Assembly 791-181457
    #30

    Boom and trimmer diagram

    Spool assembly

    Part #791-181457

    The manufacturer no longer makes this part, and there's no substitute part

  • Guide Rod 791-182102
    #12

    Engine parts diagram

    Guide rod

    Part #791-182102

    The manufacturer no longer makes this part, and there's no substitute part

  • Flywheel 753-04299
    #64

    Engine parts diagram

    Flywheel

    Part #753-04299

    The manufacturer no longer makes this part, and there's no substitute part

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings…

Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…

Main causes: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank…

Repair guides for gas line trimmers

These step-by-step repair guides will help you safely fix what’s broken on your grass line trimmer.

How to rebuild a line trimmer carburetor

How to rebuild a line trimmer carburetor

If the line trimmer engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow…

Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer carburetor

How to replace a line trimmer carburetor

If the line trimmer won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these …

Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer fuel line

How to replace a line trimmer fuel line

The fuel line on a grass line trimmer deteriorates with time and eventually can split or crack. You can replace it yours…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your line trimmers

Use the advice and tips in these articles and videos to get the most out of your grass line trimmer.

Line trimmer: Preventing fuel vapor lock in hot summer conditions

Line trimmer: Preventing fuel vapor lock in hot summer conditions

Vapor lock can stop your trimmer cold in summer heat. Learn how to prevent it and keep your lawn looking sharp…

Straight shaft vs curved shaft trimmers: What’s the difference?

Straight shaft vs curved shaft trimmers: What’s the difference?

Trying to decide between a straight shaft and curved shaft trimmer? This guide compares both designs to help you underst…

Can you cut grass with a weed whacker?

Can you cut grass with a weed whacker?

Wondering if your weed whacker can pick up the slack for your broken lawn mower? You're not alone. In this guide, we bre…

Parts & More

Bottom-Mount Refrigerator
Canister Vacuum
Central Air Conditioner
Chainsaw
Dryer
Front-Engine Lawn Tractor
Gas Line Trimmer
Lawn & Garden Engine
Line Trimmer
Parts
Range
Refrigerator
Side-By-Side Refrigerator
Washer