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Snapper
Gas Walk-Behind Mower

Model # 5900702 Official Snapper sw20 series mower

Here are the diagrams and repair parts for Official Snapper 5900702 sw20 series 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 298 parts  |
Switch 5022180
#13

Handle bar/instrument control diagram

Switch

Part #5022180

Replaced by #1722887SM

?
Manufacturer substitution
This part replaces 5022180. Substitute parts can look different from the original.
$37.79 | 
14% OFF Phone Price : $43.79
In Stock
Key 5022789
#18

Handle bar/instrument control diagram

Key

Part #5022789

Replaced by #1717163SM

?
Manufacturer substitution
This part replaces 5022789. Substitute parts can look different from the original.
This item is not returnable
$13.31 | 
13% OFF Phone Price : $15.31
In Stock
Nut 5025057
#1

Engine/pto - 13 /17 hp kawasaki diagram

Nut

Part #5025057

Replaced by #703902

?
Manufacturer substitution
This part replaces 5025057. Substitute parts can look different from the original.
This item is not returnable
$5.56 | 
15% OFF Phone Price : $6.56
In Stock
Fan, 7 , 10 5101026X6
#120

Transmission service parts diagram

Fan, 7 , 10

Part #5101026X6

$44.11
In Stock
Spindle Cap 5100882
#12

Front frame diagram

Spindle cap

Part #5100882

$11.94
In Stock
Nut 5025139
#2

Motion control-lower diagram

Nut

Part #5025139

Replaced by #5025139SM

?
Manufacturer substitution
This part replaces 5025139. Substitute parts can look different from the original.
This item is not returnable
$6.09
In Stock
Nut 5025392
Nut

Part #5025392

Replaced by #703115

?
Manufacturer substitution
This part replaces 5025392. Substitute parts can look different from the original.
This item is not returnable
$6.23
In Stock
Key 5050407X8
#5

Pump drive diagram

Key

Part #5050407X8

Replaced by #5050407X8SM

?
Manufacturer substitution
This part replaces 5050407X8. Substitute parts can look different from the original.
This item is not returnable
$6.94
In Stock
Bearing 5101026X5
#95

Transmission service parts diagram

Bearing

Part #5101026X5

Replaced by #5101026X5SM

?
Manufacturer substitution
This part replaces 5101026X5. Substitute parts can look different from the original.
$51.22
In Stock
Collar 5010580
#6

Motion control-lower diagram

Collar

Part #5010580

Replaced by #5023241SM

?
Manufacturer substitution
This part replaces 5010580. Substitute parts can look different from the original.
$23.96
In Stock

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

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

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

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