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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

  • Starter Assembly for Makita DCS540-21 - Part 026-160-640

    Ignition electronics, starter diagram

    Starter Assembly

    Part #026-160-640

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

  • Nut W/pivot for Makita DCS540-21 - Part 001-213-020

    Crankcase diagram

    Nut W/pivot

    Part #001-213-020

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

  • Safety Goggl for Makita DCS540-21 - Part 191686-2

    Cylinder, piston and accessories diagram

    Safety Goggl

    Part #191686-2

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

  • Screw (3) for Makita DCS540-21 - Part 915-135-100

    Screw (3)

    Part #915-135-100

    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

  • Cylindrical Pin (3) for Makita DCS540-21 - Part 935-932-320

    Fuel tank, tubular grip diagram

    Cylindrical Pin (3)

    Part #935-932-320

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

  • Throttle Shutter for Makita DCS540-21 - Part 021-151-320

    Carburetor diagram

    Throttle Shutter

    Part #021-151-320

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

  • Guide Bar (dcs540-18) for Makita DCS540-21 - Part 443-045-661

    Cylinder, piston and accessories diagram

    Guide Bar (dcs540-18)

    Part #443-045-661

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

  • Heatshield for Makita DCS540-21 - Part 020-174-170

    Hood, air filter, muffler diagram

    Heatshield

    Part #020-174-170

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

  • Gasket for Makita DCS540-21 - Part 965-524-022

    Hood, air filter, muffler diagram

    Gasket

    Part #965-524-022

    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

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

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