Snapper
Gas Walk-Behind Mower

Model # 7800005 Official Snapper 21" steel deck easy line

Here are the diagrams and repair parts for Official Snapper 7800005 21" steel deck easy line, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 163 parts  |

Hln, 1/4c Bz 7076978
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
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Nut 7091070
Nut

Part #7091070

Replaced by #703409

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Manufacturer substitution
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$9.27
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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
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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
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Blade 7100242
#10

Engine/blade diagram

Blade

Part #7100242

Replaced by #7100242AYP

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

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$36.69
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In Stock
Belt Guide 7300196
#11

Rear deck brackets/idler arm diagram

Belt guide

Part #7300196

Replaced by #7300196YP

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Manufacturer substitution
This part replaces 7300196. Substitute parts can look different from the original.
In Stock
Adapter Chain 7100794
#21

Rear wheels (self-propelled) diagram

Adapter chain

Part #7100794

Replaced by #7100794YP

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Manufacturer substitution
This part replaces 7100794. Substitute parts can look different from the original.
In Stock
Chsnb 5/16 7091189
#19

Handles/controls diagram

Chsnb 5/16

Part #7091189

Replaced by #703059

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Manufacturer substitution
This part replaces 7091189. Substitute parts can look different from the original.
In Stock
O-ring 7100626
#11

Rear wheels (self-propelled) diagram

O-ring

Part #7100626

Replaced by #7100626YP

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Manufacturer substitution
This part replaces 7100626. Substitute parts can look different from the original.
This item is not returnable
In Stock
Recessed Pan 7100225
#3

Handles/controls diagram

Recessed pan

Part #7100225

Replaced by #704209

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Manufacturer substitution
This part replaces 7100225. Substitute parts can look different from the original.
This item is not returnable
In Stock

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

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

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

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

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

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.

How to replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

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

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair difficulty
Time required
 45 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

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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Top questions about Sears and Sears PartsDirect

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