Makita
Gas Chainsaw

Model # DCS540-18 Official Makita chainsaw

Here are the diagrams and repair parts for Official Makita DCS540-18 chainsaw, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 194 parts  |

Chain 18" 523-102-064
#401

Cylinder, piston and accessories diagram

Chain 18"

Part #523-102-064

Replaced by #72V064G

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Manufacturer substitution
This part replaces 523-102-064. Substitute parts can look different from the original.
In Stock
Radial Ring 962-900-052
#7

Crankcase diagram

Radial ring

Part #962-900-052

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

Spring Ring 930-916-160
#4

Oil pump diagram

Spring ring

Part #930-916-160

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

Pump Drive 027-245-010
#3

Oil pump diagram

Pump drive

Part #027-245-010

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

Screw 5.5x18 905-005-184
#9

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

Disc 924-500-049
#34

Chain brake, hand guard diagram

Disc

Part #924-500-049

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

Hex. Head Screw 027-213-520
#14

Crankcase diagram

Hex. head screw

Part #027-213-520

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

Protection Cover 027-213-280
#21

Chain brake, hand guard diagram

Protection cover

Part #027-213-280

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

Fillister Screw 908-005-305
Fillister screw

Part #908-005-305

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

Spring Ring (2) 020-132-050
#5

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

Symptoms for gas 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: 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…

Repair guides for gas chainsaws

These step-by-step repair guides will help you safely fix what’s broken on your chainsaw.

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 difficulty
Time required
 15 minutes or less
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 difficulty
Time required
 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 difficulty
Time required
 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.

What are the most common replacement parts for chainsaws?

What are the most common replacement parts for chainsaws?

Learn about the most common replacement parts for chainsaws and how they can help you fix chainsaw problems.…

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.…