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Snapper
Gas Walk-Behind Mower

Model # 7800179 Official Snapper lawn mower

Here are the diagrams and repair parts for Official Snapper 7800179 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
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Model diagram and schematic

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ALL PARTS
Showing 10 of 439 parts  |
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
Lawn Mower Cable 7101399
#25

Handles/controls diagram

Lawn mower cable

Part #7101399

Replaced by #7101399YP

?
Manufacturer substitution
This part replaces 7101399. Substitute parts can look different from the original.
This item is not returnable
$31.78
| 
16% OFF Phone Price : $37.78
In Stock
Blade 7100242
#15

Engine & blade diagram

Blade

Part #7100242

Replaced by #7100242AYP

?
Manufacturer substitution
This part replaces 7100242. Substitute parts can look different from the original.

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$36.69
| 
14% OFF Phone Price : $42.69
In Stock
Hcln 3/8 7091585
#12

Front & rear 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
Wheel 7500647
#8

Front & rear wheels diagram

Wheel

Part #7500647

Replaced by #7500647YP

?
Manufacturer substitution
This part replaces 7500647. Substitute parts can look different from the original.
$65.69
| 
8% OFF Phone Price : $71.69
In Stock
Torx St 722848
#5

Deck diagram

Torx st

Part #722848

Replaced by #703961

?
Manufacturer substitution
This part replaces 722848. Substitute parts can look different from the original.
This item is not returnable
$6.89
| 
13% OFF Phone Price : $7.89
In Stock
Weldment 7400203D
Weldment

Part #7400203D

Replaced by #7400275YP

?
Manufacturer substitution
This part replaces 7400203D. Substitute parts can look different from the original.
$132.89
| 
8% OFF Phone Price : $144.89
In Stock
Cable Bail 7102606
#25B

Handles/controls diagram

Cable bail

Part #7102606

Replaced by #7102606YP

?
Manufacturer substitution
This part replaces 7102606. Substitute parts can look different from the original.
$43.40
In Stock
Plug 720723
#25

Deck diagram

Plug

Part #720723

Replaced by #71250MA

?
Manufacturer substitution
This part replaces 720723. Substitute parts can look different from the original.
$125.02
In Stock
Weldment 7400204D
Weldment

Part #7400204D

Replaced by #7400276YP

?
Manufacturer substitution
This part replaces 7400204D. Substitute parts can look different from the original.
$164.46
| 
7% OFF Phone Price : $176.46
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 vibrate a lot?

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

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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 run rough?

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

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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 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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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 rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks....

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Repair difficulty
Time required
60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope....

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

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix....

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Repair difficulty
Time required
15 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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Top questions about Sears and Sears PartsDirect

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

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Types of walk-behind mower blades video

Types of walk-behind mower blades video

Learn about the different kinds of mower blades and how to maintain them....

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