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Homelite
Gas Chainsaw

Model # Z3850BC Official Homelite chainsaw

Here are the diagrams and repair parts for Official Homelite Z3850BC 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 139 parts  |
Duck Bill Vl 03134
#13

Engine housing, fuel tank, oil tank diagram

Duck bill vl

Part #03134

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

Filter 49422
#18

Engine housing, fuel tank, oil tank diagram

Filter

Part #49422

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

Piston 7 Pin A08668
#7

Engine internal, oil pump diagram

Piston 7 pin

Part #A08668

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

Needle Bearing 04921
#13

Engine internal, oil pump diagram

Needle bearing

Part #04921

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

Thrust Washer 04940
#24

Clutch/chain brake/drive case cover diagram

Thrust washer

Part #04940

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

Gasket 06840A
Gasket

Part #06840A

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

Lawn & Garden Equipment Truss Head Screw 82621
Lawn & garden equipment truss head screw

Part #82621

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

Chainsaw Spring Retainer 01812A
#16

Handles diagram

Chainsaw spring retainer

Part #01812A

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

Oil Cap DA07591
#20

Engine housing, fuel tank, oil tank diagram

Oil cap

Part #DA07591

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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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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Why does my chainsaw run roughly?

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

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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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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 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
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

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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