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Snapper
Gas Walk-Behind Mower

Model # 7800169 Official Snapper lawn mower

Here are the diagrams and repair parts for Official Snapper 7800169 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.

Model diagram and schematic

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Showing 10 of 147 parts  |
Hln, 1/4c Bz 7076978
#5

Handles/controls diagram

Hln, 1/4c bz

Part #7076978

Replaced by #703232

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Manufacturer substitution
This part replaces 7076978. Substitute parts can look different from the original.
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This item is not returnable
$6.24 | 
14% OFF Phone Price : $7.24
In Stock
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
Hfln 3/8 7091619
#8

Rear deck brackets/idler arm diagram

Hfln 3/8

Part #7091619

Replaced by #703333

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Manufacturer substitution
This part replaces 7091619. Substitute parts can look different from the original.
This item is not returnable
$8.09 | 
11% OFF Phone Price : $9.09
In Stock
Hex Head Cap Screw 7091527
#12

Front wheels diagram

Hex head cap screw

Part #7091527

Replaced by #7091527YP

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Manufacturer substitution
This part replaces 7091527. Substitute parts can look different from the original.
This item is not returnable
$7.37
In Stock
Hhcs 3/8 7090167
#12

Engine/blade diagram

Hhcs 3/8

Part #7090167

Replaced by #7090167SM

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Manufacturer substitution
This part replaces 7090167. Substitute parts can look different from the original.
$10.49
In Stock
Belt Guide 7100022
#4

Engine/blade diagram

Belt guide

Part #7100022

Replaced by #7100022YP

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Manufacturer substitution
This part replaces 7100022. Substitute parts can look different from the original.
$9.40
In Stock
Belt 7100058
#7

Transmission diagram

Belt

Part #7100058

Replaced by #7100058YP

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Manufacturer substitution
This part replaces 7100058. Substitute parts can look different from the original.

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$30.62
In Stock
Rhssnb, 3/8- 7900009
#17

Rear deck brackets/idler arm diagram

Rhssnb, 3/8-

Part #7900009

Replaced by #7900009SM

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Manufacturer substitution
This part replaces 7900009. Substitute parts can look different from the original.
This item is not returnable
$6.49
In Stock
Cone Washer 7012063
#11

Engine/blade diagram

Cone washer

Part #7012063

Replaced by #703963

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Manufacturer substitution
This part replaces 7012063. Substitute parts can look different from the original.
$12.51
In Stock
Lawn Mower Decal 7046357
#6

Decals diagram

Lawn mower decal

Part #7046357

Replaced by #7046357YP

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Manufacturer substitution
This part replaces 7046357. Substitute parts can look different from the original.
$26.80
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.…

Read more
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

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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