Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Tips to find your model number
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Earthquake
Gas Chainsaw

Model # CS3816 Official Earthquake chainsaw

Here are the diagrams and repair parts for Official Earthquake CS3816 chainsaw, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manual

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

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

Search
ALL PARTS
Showing 10 of 35 parts  |
Guide Bar 845121

#34

All parts diagram

Guide bar

Part #845121

$61.76
In Stock
Chainsaw Chain 845124

#36

All parts diagram

Chainsaw chain

Part #845124

$47.51
In Stock
Clutch Assembly 838113

#8

All parts diagram

Clutch assembly

Part #838113

$31.98
In Stock
Kit Flywheel Replacement 38 And 41cc 838133

#18

All parts diagram

Kit flywheel replacement 38 and 41cc

Part #838133

$27.24
In Stock
Chainsaw Carburetor 838118

#11

All parts diagram

Chainsaw carburetor

Part #838118

$41.40 | 
13% OFF Phone Price : $47.40
In Stock
Recoil Kit 838107

#6

All parts diagram

Recoil kit

Part #838107

$33.27
In Stock
Assembly Oil Cap 38 And 41cc 838112

#5

All parts diagram

Assembly oil cap 38 and 41cc

Part #838112

$11.06
In Stock
Kit Chain Catcher 38 And 41cc 838138

#26

All parts diagram

Kit chain catcher 38 and 41cc

Part #838138

This item is not returnable
$5.06
In Stock
Screw M4.8-1.6 Type B X 25 Blk Ox 838154

#31

All parts diagram

Screw m4.8-1.6 type b x 25 blk ox

Part #838154

This item is not returnable
$2.77
In Stock
Assembly Cylinder Shroud 38 And 41cc 838106

#2

All parts diagram

Assembly cylinder shroud 38 and 41cc

Part #838106

$24.09
In Stock

Symptoms for gas chainsaws

Choose a symptom to see related chainsaw repairs.

View all

Why won't my chainsaw start?

Main causes: stale gasoline, cracked fuel lines, dirty carburetor, damaged spark plug, worn piston rings…

Read more

Why does my chainsaw run roughly?

Main causes: bad gas, engine needs tune up, cracked fuel lines, dirty carburetor…

Read more

What should I do if my chainsaw leaks gas?

Main causes: cracked fuel lines, leaky carburetor seals, damaged fuel tank cap, cracked fuel tank…

Read more

Repair guides for gas chainsaws

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

View all
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…

Read more
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…

Read more
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…

Read more
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.

View all
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.…

Read more
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.…

Read more

Parts & More