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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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Owner’s manual
  View engine

Model diagram and schematic

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ALL PARTS
Showing 10 of 439 parts  |
Pushnut 1/4 7091020
#2

Deck diagram

Pushnut 1/4

Part #7091020

Replaced by #704005

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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
Hln 10 7091290
#34

Deck diagram

Hln 10

Part #7091290

Replaced by #703412

?
Manufacturer substitution
This part replaces 7091290. Substitute parts can look different from the original.
This item is not returnable
$7.09 | 
12% OFF Phone Price : $8.09
In Stock
Knob 7035744
#23

Handles/controls diagram

Knob

Part #7035744

Replaced by #703065

?
Manufacturer substitution
This part replaces 7035744. Substitute parts can look different from the original.
This item is not returnable
$11.89 | 
14% OFF Phone Price : $13.89
In Stock
Rhssnb, 5/16-18 X 3/4 Gr5 Yz 7091508
Rhssnb, 5/16-18 x 3/4 gr5 yz

Part #7091508

Replaced by #703185

?
Manufacturer substitution
This part replaces 7091508. Substitute parts can look different from the original.
This item is not returnable
$5.63 | 
15% OFF Phone Price : $6.63
In Stock
Belt 7100883
Belt

Part #7100883

Replaced by #7100883YP

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Manufacturer substitution
This part replaces 7100883. Substitute parts can look different from the original.
This item is not returnable

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$27.07
In Stock
Retaining Ring 7014341
#6

Front & rear wheels diagram

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
Switch Key 7011138
#9

Handles/controls diagram

Switch key

Part #7011138

Replaced by #7011138YP

?
Manufacturer substitution
This part replaces 7011138. Substitute parts can look different from the original.
This item is not returnable
$12.69 | 
14% OFF Phone Price : $14.69
In Stock
Knob 7101202
#20

Handles/controls diagram

Knob

Part #7101202

Replaced by #7101202YP

?
Manufacturer substitution
This part replaces 7101202. Substitute parts can look different from the original.
This item is not returnable
$12.29
In Stock
Pulley 7100240
#6

Transmission (21") diagram

Pulley

Part #7100240

Replaced by #7100240YP

?
Manufacturer substitution
This part replaces 7100240. Substitute parts can look different from the original.
$33.51
In Stock
Decal 7101394
#8

Decals diagram

Decal

Part #7101394

Replaced by #7101394YP

?
Manufacturer substitution
This part replaces 7101394. Substitute parts can look different from the original.
$22.74
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 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 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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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 vibrate a lot?

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

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Repair guides for gas walk-behind mowers

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

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Repair difficulty
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 15 minutes or less
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How to replace a lawn mower transmission

Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.…

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Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower carburetor

How to replace a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Replace the carburetor if it's clogged or damaged.…

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Repair difficulty
Time required
 15 minutes or less

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