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McCulloch MC125 trimmer

McCulloch MC125 trimmer Parts

Here are the diagrams and repair parts for McCulloch MC125 trimmer, as well as links to manuals and error code tables, if available.

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Browse Parts for MC125 Line Trimmers

  • Lawn & Garden Equipment Bolt for McCulloch MC125 - Part 530015820

    Handle/drive shaft/shield diagram

    Lawn & Garden Equipment Bolt

    Part #530015820
    This item is not returnable
    In Stock
    $27.62
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  • Craftsman Line Trimmer Drive Shaft Coupler for McCulloch MC125 - Part 587119302

    Handle/drive shaft/shield diagram

    Knob Screw Kit

    Part #575291801

    Replaced by #587119302

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    Manufacturer substitution
    This part replaces 575291801. Substitute parts can look different from the original.
    In Stock
    $11.97
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  • Line Trimmer Engine Flywheel for McCulloch MC125 - Part 577235901

    Cylinder/crankshaft/crankcase diagram

    Grass Line Trimmer Engine Flywheel

    Part #530039243

    Replaced by #577235901

    Info Icon
    Manufacturer substitution
    This part replaces 530039243. Substitute parts can look different from the original.
    In Stock
    $38.58
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  • Line Trimmer Recoil Starter Spring for McCulloch MC125 - Part 545008011

    Cylinder/crankshaft/crankcase diagram

    Start Spring

    Part #545213601

    Replaced by #545008011

    Info Icon
    Manufacturer substitution
    This part replaces 545213601. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $33.92
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  • Lawn & Garden Equipment Engine Start/stop Switch for McCulloch MC125 - Part 545049301

    Handle/drive shaft/shield diagram

    Switch

    Part #545030601

    Replaced by #545049301

    Info Icon
    Manufacturer substitution
    This part replaces 545030601. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $33.92
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    Qty
    Plus Item
  • Lawn & Garden Equipment Fuel Tank Screw for McCulloch MC125 - Part 536317601

    Cylinder/crankshaft/crankcase diagram

    Lawn & Garden Equipment Fuel Tank Screw

    Part #530016445

    Replaced by #536317601

    Info Icon
    Manufacturer substitution
    This part replaces 530016445. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $3.97
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  • Assy Crankshaft for McCulloch MC125 - Part 545145802

    Cylinder/crankshaft/crankcase diagram

    Crankshaft

    Part #530012579

    Replaced by #545145802

    Info Icon
    Manufacturer substitution
    This part replaces 530012579. Substitute parts can look different from the original.
    In Stock
    $98.92
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  • Lawn & Garden Equipment Screw for McCulloch MC125 - Part 503214974

    Lawn & Garden Equipment Screw

    Part #530015814

    Replaced by #503214974

    Info Icon
    Manufacturer substitution
    This part replaces 530015814. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $5.97
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    Qty
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  • Connecting Rod Assy for McCulloch MC125 - Part 530049817

    Cylinder/crankshaft/crankcase diagram

    Kit Assy Con

    Part #530069945

    Replaced by #530049817

    Info Icon
    Manufacturer substitution
    This part replaces 530069945. Substitute parts can look different from the original.
    In Stock
    $23.97
    Minus Item
    Qty
    Plus Item
  • Assy Fixed Line Head for McCulloch MC125 - Part 545053902

    Handle/drive shaft/shield diagram

    Cutting Head

    Part #545049401

    Replaced by #545053902

    Info Icon
    Manufacturer substitution
    This part replaces 545049401. Substitute parts can look different from the original.
    In Stock
    $51.31
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    Qty
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Most common symptoms to help you fix your line trimmers

Choose a symptom to see related grass line trimmer repairs.

View all

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?

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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