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Homelite
Gas Chainsaw

Model # Z3850-18 INCH Official Homelite chainsaw

Here are the diagrams and repair parts for Official Homelite Z3850-18-INCH 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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ALL PARTS
Showing 10 of 116 parts  |
Rocker Switch 07920
#9

Fuel tank-oil tank diagram

Rocker switch

Part #07920

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

Hndle Kit Rr 06870
#1

Handles diagram

Hndle kit rr

Part #06870

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

Carburetor Screw 06852
#16

Carburetor-muffler-air filter diagram

Carburetor screw

Part #06852

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

Screw 95922
#7

Carburetor-muffler-air filter diagram

Screw

Part #95922

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

Screw 82623
#18

Chain brake-drive case cover diagram

Screw

Part #82623

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

Bll Brng/cse A04931
#15

Engine internal diagram

Bll brng/cse

Part #A04931

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

Drum Sprocket A06867
#23A

Chain brake-drive case cover diagram

Drum sprocket

Part #A06867

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

Ring 58409
#9

Handles diagram

Ring

Part #58409

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

Pre-filter 07407
Pre-filter

Part #07407

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

Sprk Ar Scrn 07394
#5

Carburetor-muffler-air filter diagram

Sprk ar scrn

Part #07394

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.

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Why won't my chainsaw start?

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

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Why does my chainsaw run roughly?

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

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What should I do if my chainsaw leaks gas?

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

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Repair guides for gas chainsaws

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

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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…

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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…

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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.

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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.…

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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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