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Toro 51974 (310000001 AND UP) trimmer

Toro 51974 (310000001 AND UP) trimmer Parts

Here are the diagrams and repair parts for Toro 51974 (310000001 AND UP) trimmer, as well as links to manuals and error code tables, if available.

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Browse Parts for 51974 (310000001 AND UP) Line Trimmers

  • Screw for Toro 51974 (310000001 AND UP) - Part 660344003

    Muffler/carburetor/fuel tank/housing diagram

    Screw

    Part #660344003

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

  • Curved Was for Toro 51974 (310000001 AND UP) - Part 690696001

    Muffler/carburetor/fuel tank/housing diagram

    Curved Was

    Part #690696001

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

  • Line Trimmer Carburetor for Toro 51974 (310000001 AND UP) - Part 308480001

    Muffler/carburetor/fuel tank/housing diagram

    Line Trimmer Carburetor

    Part #308480001

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

  • Wire-lead, Black for Toro 51974 (310000001 AND UP) - Part 290143001

    Muffler/carburetor/fuel tank/housing diagram

    Wire-lead, Black

    Part #290143001

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

  • Line Trimmer Air Filter Housing for Toro 51974 (310000001 AND UP) - Part 308478001

    Muffler/carburetor/fuel tank/housing diagram

    Line Trimmer Air Filter Housing

    Part #308478001

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

  • Trigger for Toro 51974 (310000001 AND UP) - Part 518124001

    Powerhead/upper shaft/handle diagram

    Trigger

    Part #518124001

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

  • Lower Ss A for Toro 51974 (310000001 AND UP) - Part 308035013

    Trimmer head/straight shaft/guard diagram

    Lower Ss A

    Part #308035013

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

  • Cover-handle, Rear for Toro 51974 (310000001 AND UP) - Part 518123001

    Powerhead/upper shaft/handle diagram

    Cover-handle, Rear

    Part #518123001

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

  • Label Trim for Toro 51974 (310000001 AND UP) - Part 940627020

    Trimmer head/straight shaft/guard diagram

    Label Trim

    Part #940627020

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

  • Starter Label for Toro 51974 (310000001 AND UP) - Part 940686064

    Powerhead/upper shaft/handle diagram

    Starter Label

    Part #940686064

    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.

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Why won't my gas line trimmer start?

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

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Why does my gas line trimmer leak gas?

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

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Why does my gas line trimmer run rough?

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

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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.

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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…

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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 …

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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…

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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.

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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…

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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…

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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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