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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

  • Spark Arrester Screen for Makita DCS540-21 - Part 020-174-110

    Hood, air filter, muffler diagram

    Spark Arrester Screen

    Part #020-174-110

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

  • Gasket for Makita DCS540-21 - Part 965-522-032

    Hood, air filter, muffler diagram

    Gasket

    Part #965-522-032

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

  • Packing Ring for Makita DCS540-21 - Part 963-232-045

    Fuel tank, tubular grip diagram

    Packing Ring

    Part #963-232-045

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

  • Screw M5x9 for Makita DCS540-21 - Part 908-005-095

    Screw M5x9

    Part #908-005-095

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

  • 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

  • Friction Ball for Makita DCS540-21 - Part 118-151-170

    Carburetor diagram

    Friction Ball

    Part #118-151-170

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

  • Shaft For Brake Lever for Makita DCS540-21 - Part 027-213-130

    Chain brake, hand guard diagram

    Shaft For Brake Lever

    Part #027-213-130

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

  • Throttle Lever for Makita DCS540-21 - Part 020-117-290

    Fuel tank, tubular grip diagram

    Throttle Lever

    Part #020-117-290

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

  • Hex. Head Screw for Makita DCS540-21 - Part 027-213-520

    Crankcase diagram

    Hex. Head Screw

    Part #027-213-520

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

  • Cylinder/piston Cpl. for Makita DCS540-21 - Part 033-130-010

    Cylinder, piston and accessories diagram

    Cylinder/piston Cpl.

    Part #033-130-010

    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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