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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

  • 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
    $63.07
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    Qty
    Plus Item
  • Oil Pump Cpl. for Makita DCS540-21 - Part 027-245-160

    Oil pump diagram

    Oil Pump Cpl.

    Part #027-245-160

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

  • Fan Housing Cpl. for Makita DCS540-21 - Part 020-112-630

    Ignition electronics, starter diagram

    Fan Housing Cpl.

    Part #020-112-630

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

  • Safety Disc for Makita DCS540-21 - Part 929-108-080

    Ignition electronics, starter diagram

    Safety Disc

    Part #929-108-080

    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

  • Gasket for Makita DCS540-21 - Part 963-100-050

    Crankcase diagram

    Gasket

    Part #963-100-050

    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

  • Plug Cap for Makita DCS540-21 - Part 957-604-260

    Ignition electronics, starter diagram

    Plug Cap

    Part #957-604-260

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

  • Fuel Line for Makita DCS540-21 - Part 965-404-460

    Fuel tank, tubular grip diagram

    Fuel Line

    Part #965-404-460

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

  • Protection Cover for Makita DCS540-21 - Part 027-213-280

    Chain brake, hand guard diagram

    Protection Cover

    Part #027-213-280

    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 ...

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Top questions about Sears and Sears PartsDirect

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