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Troybilt TB4000 trimmer Parts

Here are the diagrams and repair parts for Troybilt TB4000 trimmer, as well as links to manuals and error code tables, if available.

Troybilt TB4000 trimmer
By Schematic
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This is the number corresponding to the part on the diagram / schematic

Browse Parts forTB4000 Line Trimmers

  • Square Nut for Troybilt TB4000 - Part 182121

    Engine parts diagram

    Square Nut

    Part #182121

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

  • Line Trimmer Ratchet for Troybilt TB4000 - Part 181745

    Engine parts diagram

    Line Trimmer Ratchet

    Part #181745

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

  • Screw for Troybilt TB4000 - Part 182200

    Boom and trimmer diagram

    Screw

    Part #182200

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

  • Strap Clip for Troybilt TB4000 - Part 610327

    Boom and trimmer diagram

    Strap Clip

    Part #610327

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

  • Clutch for Troybilt TB4000 - Part 181730

    Engine parts diagram

    Clutch

    Part #181730

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

  • Guide Rod for Troybilt TB4000 - Part 182102

    Engine parts diagram

    Guide Rod

    Part #182102

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

  • Wrist Pin for Troybilt TB4000 - Part 181006

    Engine parts diagram

    Wrist Pin

    Part #181006

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

  • Spark Arrestor Screen for Troybilt TB4000 - Part 182153

    #NI04

    All parts diagram

    Spark Arrestor Screen

    Part #182153

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

  • Gasket for Troybilt TB4000 - Part 182099

    Engine parts diagram

    Gasket

    Part #182099

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

  • Snap Ring for Troybilt TB4000 - Part 182128

    Engine parts diagram

    Snap Ring

    Part #182128

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

Most common symptoms to help you fix your line trimmers

Choose a symptom to see related grass line trimmer repairs.

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

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

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 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 time and Difficulty

 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 time and Difficulty

 15 minutes or less
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 time and Difficulty

 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...

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