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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.

Makita DCS540-21 chainsaw
By Schematic
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Browse Parts forDCS540-21 Chainsaws

  • Shoulder Nut for Makita DCS540-21 - Part 027-213-500

    Crankcase diagram

    Shoulder Nut

    Part #027-213-500

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

  • Spring Ring (2) for Makita DCS540-21 - Part 020-132-050

    Cylinder, piston and accessories diagram

    Spring Ring (2)

    Part #020-132-050

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

  • Gasket for Makita DCS540-21 - Part 965-525-002

    Crankcase diagram

    Gasket

    Part #965-525-002

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

  • Disengaging Lever for Makita DCS540-21 - Part 027-213-221

    Chain brake, hand guard diagram

    Disengaging Lever

    Part #027-213-221

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

  • Cover For Prefilter for Makita DCS540-21 - Part 020-173-610

    Crankcase diagram

    Cover For Prefilter

    Part #020-173-610

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

  • Guide Disc for Makita DCS540-21 - Part 001-182-060

    Oil pump diagram

    Guide Disc

    Part #001-182-060

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

  • Fuel Tank Plug Assembly for Makita DCS540-21 - Part 965-451-901

    Fuel tank, tubular grip diagram

    Fuel Tank Plug Assembly

    Part #965-451-901

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

  • Set Of Control Parts for Makita DCS540-21 - Part 957-150-040

    Carburetor diagram

    Set Of Control Parts

    Part #957-150-040

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

  • Carb. Screwdriver for Makita DCS540-21 - Part 944-340-001

    Cylinder, piston and accessories diagram

    Carb. Screwdriver

    Part #944-340-001

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

  • Pressure Spring (s) for Makita DCS540-21 - Part 021-151-230

    Carburetor diagram

    Pressure Spring (s)

    Part #021-151-230

    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: bad gas, engine needs tune up, cracked fuel lines, dirty carburetor...

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

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

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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