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Snapper
Gas Walk-Behind Mower

Model # 7800007 Official Snapper lawn mower

Here are the diagrams and repair parts for Official Snapper 7800007 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.

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.
BEST SELLER
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

?
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
Hwst, 3/8c X 7090324
#2

Engine/blade diagram

Hwst, 3/8c x

Part #7090324

Replaced by #704000

?
Manufacturer substitution
This part replaces 7090324. Substitute parts can look different from the original.
$9.17
In Stock
Hex Head Cap Screw 7091527
#12

Front wheels diagram

Hex head cap screw

Part #7091527

Replaced by #7091527YP

?
Manufacturer substitution
This part replaces 7091527. Substitute parts can look different from the original.
This item is not returnable
$7.37
In Stock
Idler Arm 7300020
#10

Rear deck brackets/idler arm diagram

Idler arm

Part #7300020

Replaced by #7300020YP

?
Manufacturer substitution
This part replaces 7300020. Substitute parts can look different from the original.
$26.22
In Stock
O-ring 7100627
#22

Rear wheels diagram

O-ring

Part #7100627

Replaced by #7100627YP

?
Manufacturer substitution
This part replaces 7100627. Substitute parts can look different from the original.
This item is not returnable
$6.06
In Stock
Lawn & Garden Equipment Nut 7091135
Lawn & garden equipment nut

Part #7091135

Replaced by #703948

?
Manufacturer substitution
This part replaces 7091135. Substitute parts can look different from the original.
This item is not returnable
$7.29 | 
12% OFF Phone Price : $8.29
In Stock
Fw, .64x.99x 7092022
#7

Front wheels diagram

Fw, .64x.99x

Part #7092022

Replaced by #7092022YP

?
Manufacturer substitution
This part replaces 7092022. Substitute parts can look different from the original.
This item is not returnable
$6.69
In Stock
Wheel & Pm B 7100184
#1A

Rear wheels diagram

Wheel & pm b

Part #7100184

Replaced by #7104781YP

?
Manufacturer substitution
This part replaces 7100184. Substitute parts can look different from the original.
$57.29
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 run rough?

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

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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 vibrate a lot?

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

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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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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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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 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…

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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. …

Read more
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…

Read more
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.…

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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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