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Snapper
Gas Walk-Behind Mower

Model # SPA521-SERIES 1-2 Official Snapper gas walk-behind lawn mower

Here are the diagrams and repair parts for Official Snapper SPA521-SERIES-1-2 gas walk-behind lawn mower, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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Showing 10 of 408 parts  |
Filter 7014359
#8

Fuel tank diagram

Filter

Part #7014359

Replaced by #394358S

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Manufacturer substitution
This part replaces 7014359. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$6.47 | 
13% OFF Phone Price : $7.47
In Stock
Fln 5/16-18 7091601
Fln 5/16-18

Part #7091601

Replaced by #703409

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Manufacturer substitution
This part replaces 7091601. Substitute parts can look different from the original.
$9.27 | 
10% OFF Phone Price : $10.27
In Stock
Nut, Hex Lock, 5/16c Esna Yz 7091298
Nut, hex lock, 5/16c esna yz

Part #7091298

Replaced by #703902

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Manufacturer substitution
This part replaces 7091298. Substitute parts can look different from the original.
This item is not returnable
$5.56 | 
15% OFF Phone Price : $6.56
In Stock
Belleville Washer 7016440
#8

Cutter housing diagram

Belleville washer

Part #7016440

Replaced by #7016440SM

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Manufacturer substitution
This part replaces 7016440. Substitute parts can look different from the original.
This item is not returnable
$13.49 | 
13% OFF Phone Price : $15.49
In Stock
Slw, .445x.7 7091301
#2

Rear deck diagram

Slw, .445x.7

Part #7091301

Replaced by #704007

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Manufacturer substitution
This part replaces 7091301. Substitute parts can look different from the original.
$8.03
In Stock
Hex Head Cap Screw 7091305
Hex head cap screw

Part #7091305

Replaced by #703589

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Manufacturer substitution
This part replaces 7091305. Substitute parts can look different from the original.
$7.69 | 
12% OFF Phone Price : $8.69
In Stock
Hcln 3/8 7091585
Hcln 3/8

Part #7091585

Replaced by #703347

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Manufacturer substitution
This part replaces 7091585. Substitute parts can look different from the original.
This item is not returnable
$8.69
In Stock
Chute, 52 7100623
#36B

48"/52"/61" mower deck diagram

Chute, 52

Part #7100623

Replaced by #7100623YP

?
Manufacturer substitution
This part replaces 7100623. Substitute parts can look different from the original.
$222.16
In Stock
Cotter Pin 7091313
Cotter pin

Part #7091313

Replaced by #704058

?
Manufacturer substitution
This part replaces 7091313. Substitute parts can look different from the original.
This item is not returnable
$6.23
In Stock
Bumper 7029704
#21

Rear deck diagram

Bumper

Part #7029704

Replaced by #7029704YP

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Manufacturer substitution
This part replaces 7029704. Substitute parts can look different from the original.
$33.82
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

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

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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