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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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  • In the search box below, enter all or part of the part number or the part’s name.

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  |
Pushnut 1/4 7091020
#5

Mower deck diagram

Pushnut 1/4

Part #7091020

Replaced by #704005

?
Manufacturer substitution
This part replaces 7091020. Substitute parts can look different from the original.
This item is not returnable
$7.29 | 
12% OFF Phone Price : $8.29
In Stock
Lawn Mower Wheel 7500542
#5

Wheels diagram

Lawn mower wheel

Part #7500542

Replaced by #7500542YP

?
Manufacturer substitution
This part replaces 7500542. Substitute parts can look different from the original.
$50.58 | 
11% OFF Phone Price : $56.58
In Stock
Handle Knob 7102990
#10

Handles & controls diagram

Handle knob

Part #7102990

Replaced by #703065

?
Manufacturer substitution
This part replaces 7102990. Substitute parts can look different from the original.
This item is not returnable
$11.89 | 
14% OFF Phone Price : $13.89
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
Retaining Ring 7014341
Retaining ring

Part #7014341

Replaced by #703976

?
Manufacturer substitution
This part replaces 7014341. Substitute parts can look different from the original.
This item is not returnable
$7.09 | 
12% OFF Phone Price : $8.09
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
Hwst, #10c X 7091075
Hwst, #10c x

Part #7091075

Replaced by #7091075SM

?
Manufacturer substitution
This part replaces 7091075. Substitute parts can look different from the original.
$7.60
In Stock
Lawn Mower Bushing 7103511
#12

Wheels diagram

Lawn mower bushing

Part #7103511

Replaced by #7103511YP

?
Manufacturer substitution
This part replaces 7103511. Substitute parts can look different from the original.
$9.40
In Stock
Decal 7013010
#12

Decals diagram

Decal

Part #7013010

Replaced by #7013010SM

?
Manufacturer substitution
This part replaces 7013010. Substitute parts can look different from the original.
This item is not returnable
$16.71
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

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…

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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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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