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Troybilt TB20CS trimmer Parts

Here are the diagrams and repair parts for Troybilt TB20CS trimmer, as well as links to manuals and error code tables, if available.

Troybilt TB20CS trimmer
By Schematic
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Browse Parts for TB20CS Line Trimmers

  • Line Trimmer Guard Mounting Screw for Troybilt TB20CS - Part 753-04282

    Boom and trimmer diagram

    Line Trimmer Guard Mounting Screw

    Part #753-04282
    This item is not returnable
    In Stock
    $35.05
    15% OFF Phone Price : $41.05Info Icon
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  • Mtd Yard Machines Line Trimmer Primer Bulb And Hose Assembly for Troybilt TB20CS - Part 791-683974B

    Engine diagram

    Hose

    Part #791-683947B

    Replaced by #791-683974B

    Info Icon
    Manufacturer substitution
    This part replaces 791-683947B. Substitute parts can look different from the original.
    In Stock
    $36.81
    14% OFF Phone Price : $42.81Info Icon
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  • Mtd Line Trimmer Spool Case And Eyelet for Troybilt TB20CS - Part 753-04284

    Boom and trimmer diagram

    Mtd Line Trimmer Spool Case And Eyelet

    In Stock
    $37.91
    14% OFF Phone Price : $43.91Info Icon
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  • Boom Assembly for Troybilt TB20CS - Part 753-04508

    Boom and trimmer diagram

  • Spacer for Troybilt TB20CS - Part 791-182369

    Engine diagram

    Spacer

    Part #791-182369

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

  • Knob Retaiining Nut for Troybilt TB20CS - Part 753-04386

    Boom and trimmer diagram

    Knob Retaiining Nut

    Part #753-04386

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

  • Washer for Troybilt TB20CS - Part 791-182368

    Engine diagram

    Washer

    Part #791-182368

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

  • Cylinder Gasket for Troybilt TB20CS - Part 753-04182

    Engine diagram

    Cylinder Gasket

    Part #753-04182

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

  • Screw for Troybilt TB20CS - Part 791-182519

    Engine diagram

    Screw

    Part #791-182519

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

  • Flywheel for Troybilt TB20CS - Part 791-182736

    Engine diagram

    Flywheel

    Part #791-182736

    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, 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…

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

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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