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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

  • Spring for Makita DCS540-21 - Part 027-213-120

    Chain brake, hand guard diagram

    Spring

    Part #027-213-120

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

  • Starter Rope for Makita DCS540-21 - Part 108-164-020

    Ignition electronics, starter diagram

    Starter Rope

    Part #108-164-020

    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

  • Pump Cover for Makita DCS540-21 - Part 118-151-165

    Carburetor diagram

    Pump Cover

    Part #118-151-165

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

  • Tubular Handle Assembly for Makita DCS540-21 - Part 957-310-027

    Fuel tank, tubular grip diagram

    Tubular Handle Assembly

    Part #957-310-027

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

  • Brake Assembly for Makita DCS540-21 - Part 027-213-651

    Chain brake, hand guard diagram

    Brake Assembly

    Part #027-213-651

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

  • Insulating Hose (4.92") for Makita DCS540-21 - Part 970-502-110

    Ignition electronics, starter diagram

    Insulating Hose (4.92")

    Part #970-502-110

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

  • Screw M5x65 (2) for Makita DCS540-21 - Part 908-205-658

    Hood, air filter, muffler diagram

    Screw M5x65 (2)

    Part #908-205-658

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

  • Fillister Screw for Makita DCS540-21 - Part 908-005-305

    Fillister Screw

    Part #908-005-305

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

  • Rubber Buffer for Makita DCS540-21 - Part 965-403-490

    Fuel tank, tubular grip diagram

    Rubber Buffer

    Part #965-403-490

    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 …

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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