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
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
Wheel 1714760
#5

48" mower deck-rollers diagram

Wheel

Part #1714760

Replaced by #1714760SM

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Manufacturer substitution
This part replaces 1714760. Substitute parts can look different from the original.
$10.77
16% OFF Phone Price : $12.77
In Stock
Washer 5025156
Washer

Part #5025156

Replaced by #703590

?
Manufacturer substitution
This part replaces 5025156. Substitute parts can look different from the original.
This item is not returnable
$5.99
14% OFF Phone Price : $6.99
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

In Stock
Collar 5010580
#6

Motion control-lower diagram

Collar

Part #5010580

Replaced by #5023241SM

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Manufacturer substitution
This part replaces 5010580. Substitute parts can look different from the original.
In Stock
Washer 5025164
#12

Motion control-upper diagram

Washer

Part #5025164

Replaced by #5025164SM

?
Manufacturer substitution
This part replaces 5025164. Substitute parts can look different from the original.
This item is not returnable
In Stock
Clevis, 5/16 5020979
Clevis, 5/16

Part #5020979

Replaced by #5023323SM

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Manufacturer substitution
This part replaces 5020979. Substitute parts can look different from the original.
In Stock
Bolt 5025011X6
Bolt

Part #5025011X6

Replaced by #5025011X6SM

?
Manufacturer substitution
This part replaces 5025011X6. Substitute parts can look different from the original.
This item is not returnable
In Stock
Spacer 5045135
#12

Pump drive diagram

Spacer

Part #5045135

Replaced by #5102004YP

?
Manufacturer substitution
This part replaces 5045135. 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: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

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

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

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

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 blade

How to replace a lawn mower blade

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

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…

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.

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.…

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.…

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.…