Snapper
Gas Walk-Behind Mower

Model # 7800005 (SPV21) Official Snapper lawn mower

Here are the diagrams and repair parts for Official Snapper 7800005-SPV21 lawn mower, 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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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.
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Nut 7091070
Nut

Part #7091070

Replaced by #703409

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Manufacturer substitution
This part replaces 7091070. Substitute parts can look different from the original.
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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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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
Fw, .531x1.2 7100644
#8

Rear wheels (self-propelled) diagram

Fw, .531x1.2

Part #7100644

Replaced by #7100644YP

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Manufacturer substitution
This part replaces 7100644. Substitute parts can look different from the original.
This item is not returnable
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Cap 7100088
Cap

Part #7100088

Replaced by #20107MA

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Manufacturer substitution
This part replaces 7100088. Substitute parts can look different from the original.
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Switch Key 7011138
#28

Handles/controls diagram

Switch key

Part #7011138

Replaced by #7011138YP

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Manufacturer substitution
This part replaces 7011138. Substitute parts can look different from the original.
This item is not returnable
$12.69
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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.
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Walk-behind Lawn Mower Battery Charger 7018834
#20

Rear wheels (self-propelled) diagram

Walk-behind lawn mower battery charger

Part #7018834

Replaced by #770625

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Manufacturer substitution
This part replaces 7018834. Substitute parts can look different from the original.
$66.57
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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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