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Snapper
Gas Walk-Behind Mower

Model # 7800174 Official Snapper lawn mower

Here are the diagrams and repair parts for Official Snapper 7800174 lawn mower, as well as links to manuals and error code tables, if available.

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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 296 parts  |
Washer 7090122
#31

Drive system self-propelled diagram

Washer

Part #7090122

Replaced by #703590

?
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
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
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
Rod Tine 7018499
#3

Thatcherizer assembly diagram

Rod tine

Part #7018499

Replaced by #7018499YP

?
Manufacturer substitution
This part replaces 7018499. Substitute parts can look different from the original.
$10.94
In Stock
Spacer 7024340
Spacer

Part #7024340

Replaced by #7024340SM

?
Manufacturer substitution
This part replaces 7024340. Substitute parts can look different from the original.
This item is not returnable
$8.26
In Stock
R/b 90799 R 7091026
R/b 90799 r

Part #7091026

Replaced by #703447

?
Manufacturer substitution
This part replaces 7091026. Substitute parts can look different from the original.
This item is not returnable
$7.09
| 
12% OFF Phone Price : $8.09
In Stock
Bracket 7073822
#15

Handles/controls diagram

Bracket

Part #7073822

Replaced by #7073822YP

?
Manufacturer substitution
This part replaces 7073822. Substitute parts can look different from the original.
$26.69
In Stock
Bushing 7017696
#38

Drive system self-propelled diagram

Bushing

Part #7017696

Replaced by #703971

?
Manufacturer substitution
This part replaces 7017696. Substitute parts can look different from the original.
$10.49
In Stock
Pulley 7024228
#19

Grass bag components diagram

Pulley

Part #7024228

Replaced by #7024228SM

?
Manufacturer substitution
This part replaces 7024228. Substitute parts can look different from the original.
This item is not returnable
$8.94
In Stock
Grip, Height Latch 7100633
Grip, height latch

Part #7100633

Replaced by #7103793YP

?
Manufacturer substitution
This part replaces 7100633. Substitute parts can look different from the original.
This item is not returnable
$7.37
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 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 transmission

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

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

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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