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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5900702 Walk-Behind Mowers
Switch 5022180
#13

Handle bar/instrument control diagram

Switch

Part #5022180

Replaced by #1722887SM

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Manufacturer substitution
This part replaces 5022180. Substitute parts can look different from the original.
$37.79
14% OFF Phone Price : $43.79
In Stock
Nut 5025057
#1

Engine/pto - 13 /17 hp kawasaki diagram

Nut

Part #5025057

Replaced by #703902

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Manufacturer substitution
This part replaces 5025057. Substitute parts can look different from the original.
This item is not returnable
$5.71
15% OFF Phone Price : $6.71
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
Washer 5025170
#5

Front frame diagram

Washer

Part #5025170

Replaced by #5025170SM

?
Manufacturer substitution
This part replaces 5025170. Substitute parts can look different from the original.
This item is not returnable
In Stock
Bolt 5025010X6
Bolt

Part #5025010X6

Replaced by #5025010X6SM

?
Manufacturer substitution
This part replaces 5025010X6. Substitute parts can look different from the original.
This item is not returnable
In Stock
Lawn & Garden Equipment Bolt 5025013X16
Lawn & garden equipment bolt

Part #5025013X16

Replaced by #703589

?
Manufacturer substitution
This part replaces 5025013X16. Substitute parts can look different from the original.
$7.69
12% OFF Phone Price : $8.69
In Stock
Fan, 7 , 10 5101026X6
#120

Transmission service parts diagram

Fan, 7 , 10

Part #5101026X6

In Stock
Spindle Cap 5100882
#12

Front frame diagram

Spindle cap

Part #5100882

In Stock
Pin 5025213X8
#10

Parking brake diagram

Pin

Part #5025213X8

Replaced by #5025213X8SM

?
Manufacturer substitution
This part replaces 5025213X8. Substitute parts can look different from the original.
In Stock
Bearing 5021098
#21

Motion control-lower diagram

Bearing

Part #5021098

Replaced by #5021098SM

?
Manufacturer substitution
This part replaces 5021098. Substitute parts can look different from the original.
In Stock

Symptoms for gas walk-behind mowers

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

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

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

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

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

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

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

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.

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…

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

How to replace a lawn mower drive cable

The drive cable engages the transmission to spin the drive wheels and move the mower across the grass. Replace the drive…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower starter rope

How to replace a lawn mower starter rope

These step-by-step instructions show how to replace a broken starter pull rope on a walk-behind lawn mower.…

Repair difficulty
Time required
 30 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.…

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

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