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Makita DCS540-21 chainsaw

Makita DCS540-21 chainsaw Parts

Here are the diagrams and repair parts for Makita DCS540-21 chainsaw, as well as links to manuals and error code tables, if available.

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Browse Parts for DCS540-21 Chainsaws

  • Chain, 18-in for Makita DCS540-21 - Part 72V064G

    Cylinder, piston and accessories diagram

    Chain 18"

    Part #523-102-064

    Replaced by #72V064G

    Info Icon
    Manufacturer substitution
    This part replaces 523-102-064. Substitute parts can look different from the original.
    In Stock
    $62.96
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    Qty
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  • Rewind Spring for Makita DCS540-21 - Part 020-163-031

    Ignition electronics, starter diagram

    Rewind Spring

    Part #020-163-031

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

  • Rubber Bush for Makita DCS540-21 - Part 965-401-024

    Hood, air filter, muffler diagram

    Rubber Bush

    Part #965-401-024

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

  • Pressure Line for Makita DCS540-21 - Part 0520-245-020

    Oil pump diagram

    Pressure Line

    Part #0520-245-020

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

  • Gasket for Makita DCS540-21 - Part 965-525-032

    Hood, air filter, muffler diagram

    Gasket

    Part #965-525-032

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

  • Cylinder/piston Cpl. for Makita DCS540-21 - Part 033-130-010

    Cylinder, piston and accessories diagram

    Cylinder/piston Cpl.

    Part #033-130-010

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

  • Pump Diaphragm, Rubber for Makita DCS540-21 - Part 021-151-150

    Carburetor diagram

    Pump Diaphragm, Rubber

    Part #021-151-150

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

  • Spring Ring for Makita DCS540-21 - Part 930-916-160

    Oil pump diagram

    Spring Ring

    Part #930-916-160

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

  • Felt for Makita DCS540-21 - Part 963-601-240

    Fuel tank, tubular grip diagram

    Felt

    Part #963-601-240

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

  • Brake Spring for Makita DCS540-21 - Part 027-213-050

    Chain brake, hand guard diagram

    Brake Spring

    Part #027-213-050

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

Most common symptoms to help you fix your chainsaws

Choose a symptom to see related chainsaw repairs.

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

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

Main causes: bad gas, engine needs tune up, cracked fuel lines, dirty carburetor…

Repair guides for gas chainsaws

These step-by-step repair guides will help you safely fix what’s broken on your chainsaw.

How to replace a chainsaw carburetor

How to replace a chainsaw carburetor

If the engine won't start even though there's fuel in the chainsaw, the carburetor could be the problem. Sometimes, it's…

Repair time and Difficulty

 15 minutes or less
How to replace chainsaw fuel lines

How to replace chainsaw fuel lines

The fuel line on a chainsaw becomes brittle over time and can crack. Replacing it doesn't require a lot of DYI experienc…

Repair time and Difficulty

 15 minutes or less
How to rebuild a chainsaw carburetor

How to rebuild a chainsaw carburetor

If your chainsaw isn't running well, a dirty carburetor could be the problem. You can take it apart, clean it and rebuil…

Repair time and Difficulty

 15 minutes or less

Effective articles & videos to help repair your chainsaws

Use the advice and tips in these articles and videos to get the most out of your chainsaw.

When to replace a chainsaw bar

When to replace a chainsaw bar

Chainsaw bar wear leads to crooked cuts and chain damage. Learn the signs of wear and how to choose the right replacemen…

How to tune-up a gas chainsaw

How to tune-up a gas chainsaw

Tuning up a chainsaw is easier than you think. Follow these steps to clean, inspect, and replace key parts to keep your …

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Top questions about Sears and Sears PartsDirect

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