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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.
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Browse Parts forDCS540-21 Chainsaws
Crankcase diagram
C.s. Screw M5x20
Part #908-105-204
The manufacturer no longer makes this part, and there's no substitute part
Oil pump diagram
Suction Line Assembly, Oil
Part #020-245-040
The manufacturer no longer makes this part, and there's no substitute part
Crankcase diagram
Chain Catch
Part #202-111-082
The manufacturer no longer makes this part, and there's no substitute part
Cylinder, piston and accessories diagram
Fuel Mixing Oil
Part #18115-A
The manufacturer no longer makes this part, and there's no substitute part
Oil pump diagram
Oil Pump Cpl.
Part #027-245-160
The manufacturer no longer makes this part, and there's no substitute part
Chain brake, hand guard diagram
Hand Guard Cpl.
Part #027-213-452
The manufacturer no longer makes this part, and there's no substitute part
Carburetor diagram
Throttle Shaft
Part #001-151-301
The manufacturer no longer makes this part, and there's no substitute part
Rubber Bush
Part #965-401-011
The manufacturer no longer makes this part, and there's no substitute part
Crankcase diagram
Cover For Prefilter
Part #020-173-610
The manufacturer no longer makes this part, and there's no substitute part
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: 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...
Main causes: cracked fuel lines, leaky carburetor seals, damaged fuel tank cap, cracked fuel tank...
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
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
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
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.
Chainsaw bar wear leads to crooked cuts and chain damage. Learn the signs of wear and how to choose the right replacemen...
Tuning up a chainsaw is easier than you think. Follow these steps to clean, inspect, and replace key parts to keep your ...
Get answers to frequently asked questions about Sears and Sears PartsDirect....
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