Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number
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.

By Schematic
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for DCS540-21 Chainsaws

  • 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

  • Starter Grip for Makita DCS540-21 - Part 965-402-262

    Ignition electronics, starter diagram

    Starter Grip

    Part #965-402-262

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

  • Hex. Nut M8 for Makita DCS540-21 - Part 923-208-004

    Chain brake, hand guard diagram

    Hex. Nut M8

    Part #923-208-004

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

  • Screw 4.7 X13 (3) for Makita DCS540-21 - Part 913-447-134

    Fuel tank, tubular grip diagram

    Screw 4.7 X13 (3)

    Part #913-447-134

    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

  • Connecting Muff for Makita DCS540-21 - Part 020-171-100

    Hood, air filter, muffler diagram

    Connecting Muff

    Part #020-171-100

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

  • Lever for Makita DCS540-21 - Part 001-151-330

    Carburetor diagram

    Lever

    Part #001-151-330

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

  • Ring for Makita DCS540-21 - Part 027-213-510

    Crankcase diagram

    Ring

    Part #027-213-510

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

  • Screw 5.5x18 for Makita DCS540-21 - Part 905-005-184

    Chain brake, hand guard diagram

    Screw 5.5x18

    Part #905-005-184

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

  • Fillister Screw for Makita DCS540-21 - Part 908-005-305

    Fillister Screw

    Part #908-005-305

    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.…

Parts & More

Boiler
Bottom-Mount Refrigerator
Canister Vacuum
Dishwasher
Dump Cart Attachment
Electric Range
Front-Engine Lawn Tractor
Gas Line Trimmer
Gas Walk-Behind Mower
Microwave/Hood Combo
Office Equipment
Parts
Riding Mowers & Tractors
Table Saw
Television
Washer