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Snapper
Gas Walk-Behind Mower

Model # 7800779 Official Snapper lawn mower

Here are the diagrams and repair parts for Official Snapper 7800779 lawn 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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For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 119 parts  |
Nut 1931277
#14

Wheels diagram

Nut

Part #1931277

Replaced by #703409

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Manufacturer substitution
This part replaces 1931277. Substitute parts can look different from the original.
$9.27 | 
10% OFF Phone Price : $10.27
In Stock
Hcln 3/8 7091585
#2

Wheels diagram

Hcln 3/8

Part #7091585

Replaced by #703347

?
Manufacturer substitution
This part replaces 7091585. Substitute parts can look different from the original.
This item is not returnable
$8.69
In Stock
Nut 722398
#26

Mower deck diagram

Nut

Part #722398

Replaced by #15X143MA

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Manufacturer substitution
This part replaces 722398. Substitute parts can look different from the original.
This item is not returnable
$8.49 | 
11% OFF Phone Price : $9.49
In Stock
Decal 7104747
#6

Decals diagram

Decal

Part #7104747

Replaced by #7104747YP

?
Manufacturer substitution
This part replaces 7104747. Substitute parts can look different from the original.
$20.80
In Stock
Cone Washer 7012063
#8

Engine diagram

Cone washer

Part #7012063

Replaced by #703963

?
Manufacturer substitution
This part replaces 7012063. Substitute parts can look different from the original.
$12.51
In Stock
Blade 7103288BZ
#7

Engine diagram

Blade

Part #7103288BZ

Replaced by #7103288YP

?
Manufacturer substitution
This part replaces 7103288BZ. Substitute parts can look different from the original.

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$37.39 | 
14% OFF Phone Price : $43.39
In Stock
Nut 1960593
Nut

Part #1960593

Replaced by #1960593SM

?
Manufacturer substitution
This part replaces 1960593. Substitute parts can look different from the original.
$8.94
In Stock
Lawn & Garden Equipment Bolt 1931333
#5

Handles & controls diagram

Lawn & garden equipment bolt

Part #1931333

Replaced by #703185

?
Manufacturer substitution
This part replaces 1931333. Substitute parts can look different from the original.
This item is not returnable
$5.63 | 
15% OFF Phone Price : $6.63
In Stock
Decal 7104852
#3

Decals diagram

Decal

Part #7104852

Replaced by #7104852YP

?
Manufacturer substitution
This part replaces 7104852. Substitute parts can look different from the original.
$21.86
In Stock
Spring 722507
#7

Mower deck diagram

Spring

Part #722507

Replaced by #166X38MA

?
Manufacturer substitution
This part replaces 722507. Substitute parts can look different from the original.
This item is not returnable
$8.69
In Stock

Symptoms for gas walk-behind mowers

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

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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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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 stall?

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

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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 cut unevenly?

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

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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 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…

Read more
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.…

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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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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

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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