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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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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 298 parts  |
Wheel 1714760
#5

48" mower deck-rollers diagram

Wheel

Part #1714760

Replaced by #1714760SM

?
Manufacturer substitution
This part replaces 1714760. Substitute parts can look different from the original.
$10.77 | 
16% OFF Phone Price : $12.77
In Stock
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 | 
12% OFF Phone Price : $42.79
In Stock
Washer 5025154
Washer

Part #5025154

Replaced by #703332

?
Manufacturer substitution
This part replaces 5025154. Substitute parts can look different from the original.
This item is not returnable
$7.09 | 
12% OFF Phone Price : $8.09
In Stock
Spindle Cap 5100882
#12

Front frame diagram

Spindle cap

Part #5100882

$11.94
In Stock
Fan, 7 , 10 5101026X6
#120

Transmission service parts diagram

Fan, 7 , 10

Part #5101026X6

$44.11
In Stock
Kit, Input S 5101026X9
#210

Transmission service parts diagram

Kit, input s

Part #5101026X9

Replaced by #5101026X9SM

?
Manufacturer substitution
This part replaces 5101026X9. Substitute parts can look different from the original.
$364.67
In Stock
Washer 5025188
#4

Engine/pto - 13 /17 hp kawasaki diagram

Washer

Part #5025188

Replaced by #5025188SM

?
Manufacturer substitution
This part replaces 5025188. Substitute parts can look different from the original.
This item is not returnable
$7.14
In Stock
Oil Adapter 5022234
#15

Engine/pto - 13 /17 hp kawasaki diagram

Oil adapter

Part #5022234

Replaced by #5022234SM

?
Manufacturer substitution
This part replaces 5022234. Substitute parts can look different from the original.
$22.78
In Stock
Nut 5025029
#5

Engine deck diagram

Nut

Part #5025029

Replaced by #703895

?
Manufacturer substitution
This part replaces 5025029. Substitute parts can look different from the original.
$7.77
In Stock
9x350-4 Tube 5021181X2
#4

Tire and wheel diagram

9x350-4 tube

Part #5021181X2

Replaced by #5021181X2SM

?
Manufacturer substitution
This part replaces 5021181X2. Substitute parts can look different from the original.
$34.71
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…

Read more

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…

Read more
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. …

Read more
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…

Read more
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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Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

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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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