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Troybilt TB70SS trimmer

Troybilt TB70SS trimmer Parts

Here are the diagrams and repair parts for Troybilt TB70SS trimmer, as well as links to manuals and error code tables, if available.

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Browse Parts for TB70SS Line Trimmers

  • Mtd Yard Machines Line Trimmer Primer Bulb And Hose Assembly for Troybilt TB70SS - Part 791-683974B

    Engine diagram

    Hose

    Part #791-683947B

    Replaced by #791-683974B

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    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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  • Handle for Troybilt TB70SS - Part 791-180869

    Boom and trimmer diagram

    Handle

    Part #791-180869

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

  • Ground Tab for Troybilt TB70SS - Part 791-611063

    Engine diagram

    Ground Tab

    Part #791-611063

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

  • Screw for Troybilt TB70SS - Part 791-180351

    Engine diagram

    Screw

    Part #791-180351

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

  • Spring for Troybilt TB70SS - Part 753-04286

    Engine diagram

    Spring

    Part #753-04286

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

  • Screw for Troybilt TB70SS - Part 791-181345

    Engine diagram

    Screw

    Part #791-181345

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

  • Gearbox for Troybilt TB70SS - Part 791-180549

    Boom and trimmer diagram

    Gearbox

    Part #791-180549

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

  • Piston Rod for Troybilt TB70SS - Part 753-04367

    Engine diagram

    Piston Rod

    Part #753-04367

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

  • S/b,cltch for Troybilt TB70SS - Part 753-04812

    #NI02

    All parts diagram

    S/b,cltch

    Part #753-04812

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

  • Screw for Troybilt TB70SS - Part 791-145569

    Boom and trimmer diagram

    Screw

    Part #791-145569

    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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