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Kubota
Gas Walk-Behind Mower

Model # W5021SCE Official Kubota lawn mower

Here are the diagrams and repair parts for Official Kubota W5021SCE lawn mower, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

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

Model diagram and schematic

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ALL PARTS
Showing 10 of 431 parts  |
Knob 12681-6167-0
#120

Recoil starter diagram

Knob

Part #12681-6167-0

Replaced by #31-904

?
Manufacturer substitution
This part replaces 12681-6167-0. Substitute parts can look different from the original.
This item is not returnable
$3.80
In Stock
Label 65678-5537-0
#220A

Electrical system diagram

Label

Part #65678-5537-0

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

Label 65678-5522-0
#80

Electrical system diagram

Label

Part #65678-5522-0

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

Cover 65678-5521-0
#70

Electrical system diagram

Cover

Part #65678-5521-0

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

Bolt 01754-5061-2
#110

Joint cover - discharge guard diagram

Bolt

Part #01754-5061-2

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

Spring 12681-5729-0
#210

Governor diagram

Spring

Part #12681-5729-0

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

Gasket 12681-1151-0
#70

Air cleaner - muffler - carburetor diagram

Gasket

Part #12681-1151-0

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

Sponge 54821-2163-0
#40

Fuel tank diagram

Sponge

Part #54821-2163-0

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

Band 44366-6837-0
#210

Electrical system diagram

Band

Part #44366-6837-0

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

Bolt 13921-9104-0
Bolt

Part #13921-9104-0

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

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

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Why does my lawn mower run rough?

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

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Why does my lawn mower cut unevenly?

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

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Why does my lawn mower vibrate a lot?

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

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Why won't my lawn mower start?

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

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Why does my lawn mower stall?

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

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Why won't my lawn mower move?

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

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Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

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How to replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

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Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower blade

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

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Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

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Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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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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