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Snapper
Gas Walk-Behind Mower

Model # 7800027 Official Snapper lawn mower

Here are the diagrams and repair parts for Official Snapper 7800027 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.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 658 parts  |
Washer 7090122
#31

Drive system self-propelled diagram

Washer

Part #7090122

Replaced by #703590

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Manufacturer substitution
This part replaces 7090122. Substitute parts can look different from the original.
This item is not returnable
$5.99
| 
14% OFF Phone Price : $6.99
In Stock
Fw, .28x.63x 7091294
Fw, .28x.63x

Part #7091294

Replaced by #703332

?
Manufacturer substitution
This part replaces 7091294. Substitute parts can look different from the original.
This item is not returnable
$7.09
| 
12% OFF Phone Price : $8.09
In Stock
Washer, 11/32 X 11/16 X 1/16-in 7090188
Washer, 11/32 x 11/16 x 1/16-in

Part #7090188

Replaced by #703350

?
Manufacturer substitution
This part replaces 7090188. Substitute parts can look different from the original.
This item is not returnable
$7.60
In Stock
Pushnut 1/4 7091020
#38

Handles/controls 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
Cover 7029149
Cover

Part #7029149

Replaced by #7029149YP

?
Manufacturer substitution
This part replaces 7029149. Substitute parts can look different from the original.
$44.59
| 
12% OFF Phone Price : $50.59
In Stock
Rhssnb, 1/4c 7091530
#18

Thatcherizer assembly diagram

Rhssnb, 1/4c

Part #7091530

Replaced by #703101

?
Manufacturer substitution
This part replaces 7091530. Substitute parts can look different from the original.
This item is not returnable
$6.89
| 
13% OFF Phone Price : $7.89
In Stock
Cotter Pin 7090555
#37

Drive system self-propelled diagram

Cotter pin

Part #7090555

Replaced by #703312

?
Manufacturer substitution
This part replaces 7090555. Substitute parts can look different from the original.
This item is not returnable
$7.14
In Stock
Knob 7035744
#31

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
Chute 7042965
#2

Side chute adapter diagram

Chute

Part #7042965

Replaced by #7042965YP

?
Manufacturer substitution
This part replaces 7042965. Substitute parts can look different from the original.
$74.77
| 
7% OFF Phone Price : $80.77
In Stock
Wingnut.312- 720727
#31A

Handles/controls diagram

Wingnut.312-

Part #720727

Replaced by #703065

?
Manufacturer substitution
This part replaces 720727. Substitute parts can look different from the original.
This item is not returnable
$11.89
| 
14% OFF Phone Price : $13.89
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

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How to rebuild a lawn mower carburetor

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Repair difficulty
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60 minutes or less
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Time required
15 minutes or less
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Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix....

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Types of walk-behind mower blades video

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

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