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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

  • Guide Bar (dcs540-21) for Makita DCS540-21 - Part 443-053-661

    Cylinder, piston and accessories diagram

    Guide Bar (dcs540-21)

    Part #443-053-661

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

  • Spring for Makita DCS540-21 - Part 027-213-120

    Chain brake, hand guard diagram

    Spring

    Part #027-213-120

    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

  • Stop Ring for Makita DCS540-21 - Part 001-245-320

    Oil pump diagram

    Stop Ring

    Part #001-245-320

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

  • Pressure Line for Makita DCS540-21 - Part 0520-245-020

    Oil pump diagram

    Pressure Line

    Part #0520-245-020

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

  • Spring for Makita DCS540-21 - Part 020-117-273

    Fuel tank, tubular grip diagram

    Spring

    Part #020-117-273

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

  • Rubber Bush for Makita DCS540-21 - Part 965-401-011

    Rubber Bush

    Part #965-401-011

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

  • Label for Makita DCS540-21 - Part 980-113-841

    Crankcase diagram

    Label

    Part #980-113-841

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

  • Air Valve Cpl. for Makita DCS540-21 - Part 957-114-010

    Fuel tank, tubular grip diagram

    Air Valve Cpl.

    Part #957-114-010

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

  • Cover Assembly for Makita DCS540-21 - Part 020-118-121

    Hood, air filter, muffler diagram

    Cover Assembly

    Part #020-118-121

    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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