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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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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 65678-5522-0
#80

Electrical system diagram

Label

Part #65678-5522-0

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

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

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

Seal 12681-5691-0
#80

Governor diagram

Seal

Part #12681-5691-0

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

Screw 03614-5051-2
#240

Cable - lever diagram

Screw

Part #03614-5051-2

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

Bracket Front 12688-6303-0
#20

Starter (component parts) diagram

Bracket front

Part #12688-6303-0

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

Gasket 12681-1452-0
#50

Rocker arm - camshaft diagram

Gasket

Part #12681-1452-0

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

Holder 65601-3221-0
#40

Rear wheel (8 x 2.0) diagram

Holder

Part #65601-3221-0

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 vibrate a lot?

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

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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 run rough?

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

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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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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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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 rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…

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Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

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

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

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Repair difficulty
Time required
 15 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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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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Types of walk-behind mower blades video

Types of walk-behind mower blades video

Learn about the different kinds of mower blades and how to maintain them.…

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