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Homelite
Gas Chainsaw

Model # UT10870 Official Homelite chainsaw

Here are the diagrams and repair parts for Official Homelite UT10870 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 140 parts  |
Cylinder A08666A
#7

Engine internal-oil pump diagram

Cylinder

Part #A08666A

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

Plate 04937
#24

Carb./muffler/air filter diagram

Plate

Part #04937

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

Throttle W PS01591
Throttle w

Part #PS01591

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

Fuel Line 0745434
Fuel line

Part #0745434

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

Socket Screw 82527
Socket screw

Part #82527

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

Oil Tube PA01037
Oil tube

Part #PA01037

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

Piston Ring 06857
#9A

Engine internal-oil pump diagram

Piston ring

Part #06857

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

Clutch Hardware UP06727A
Clutch hardware

Part #UP06727A

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

Air Filter 04938
#20

Carb./muffler/air filter diagram

Air filter

Part #04938

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

Spacer 04916
#13

Carb./muffler/air filter diagram

Spacer

Part #04916

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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