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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 for DCS540-21 Chainsaws

  • Rubber Buffer for Makita DCS540-21 - Part 965-403-490

    Fuel tank, tubular grip diagram

    Rubber Buffer

    Part #965-403-490

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

  • Vent Valve for Makita DCS540-21 - Part 010-245-010

    Crankcase diagram

    Vent Valve

    Part #010-245-010

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

  • Sleeve for Makita DCS540-21 - Part 001-151-580

    Carburetor diagram

    Sleeve

    Part #001-151-580

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

  • Guide Plate for Makita DCS540-21 - Part 027-111-041

    Chain brake, hand guard diagram

    Guide Plate

    Part #027-111-041

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

  • Gasket for Makita DCS540-21 - Part 965-404-520

    Fuel tank, tubular grip diagram

    Gasket

    Part #965-404-520

    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

  • 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

  • Special Screw M12x1 (3) for Makita DCS540-21 - Part 001-111-011

    Crankcase diagram

    Special Screw M12x1 (3)

    Part #001-111-011

    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

  • 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

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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