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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 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

  • Piston Assembly for Makita DCS540-21 - Part 033-132-010

    Cylinder, piston and accessories diagram

    Piston Assembly

    Part #033-132-010

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

  • Ignition Coil Cpl. for Makita DCS540-21 - Part 020-143-030

    Ignition electronics, starter diagram

    Ignition Coil Cpl.

    Part #020-143-030

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

  • Pre-filter for Makita DCS540-21 - Part 020-173-011

    Crankcase diagram

    Pre-filter

    Part #020-173-011

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

  • Disc for Makita DCS540-21 - Part 924-108-400

    Ignition electronics, starter diagram

    Disc

    Part #924-108-400

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

  • Universal Wrench for Makita DCS540-21 - Part 941-719-131

    Cylinder, piston and accessories diagram

    Universal Wrench

    Part #941-719-131

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

  • Cable Drum for Makita DCS540-21 - Part 027-162-070

    Ignition electronics, starter diagram

    Cable Drum

    Part #027-162-070

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

  • Spring (l) for Makita DCS540-21 - Part 021-151-480

    Carburetor diagram

    Spring (l)

    Part #021-151-480

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

  • Chain Catch for Makita DCS540-21 - Part 202-111-082

    Crankcase diagram

    Chain Catch

    Part #202-111-082

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

  • Starter Rope 3.5x100mm for Makita DCS540-21 - Part 985-000-155

    Ignition electronics, starter diagram

    Starter Rope 3.5x100mm

    Part #985-000-155

    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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