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Snapper
Gas Walk-Behind Mower

Model # 7800190 Official Snapper lawn mower

Here are the diagrams and repair parts for Official Snapper 7800190 lawn mower, as well as links to manuals and error code tables, if available.

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Owner’s manual
  View engine

Model diagram and schematic

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ALL PARTS
Showing 10 of 418 parts  |
Pushnut 1/4 7091020
#3

Deck diagram

Pushnut 1/4

Part #7091020

Replaced by #704005

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Manufacturer substitution
This part replaces 7091020. Substitute parts can look different from the original.
This item is not returnable
$7.29 | 
12% OFF Phone Price : $8.29
In Stock
Cable 7101395
#14

Handles/controls diagram

Cable

Part #7101395

Replaced by #7101395YP

?
Manufacturer substitution
This part replaces 7101395. Substitute parts can look different from the original.
This item is not returnable
$23.39 | 
20% OFF Phone Price : $29.39
In Stock
Lawn Mower Wheel 7500542
#19

Deck diagram

Lawn mower wheel

Part #7500542

Replaced by #7500542YP

?
Manufacturer substitution
This part replaces 7500542. Substitute parts can look different from the original.
$50.58 | 
11% OFF Phone Price : $56.58
In Stock
Retaining Ring 7014341
#31

Deck diagram

Retaining ring

Part #7014341

Replaced by #703976

?
Manufacturer substitution
This part replaces 7014341. Substitute parts can look different from the original.
This item is not returnable
$7.09 | 
12% OFF Phone Price : $8.09
In Stock
Knob 7035744
#10

Handles/controls diagram

Knob

Part #7035744

Replaced by #703065

?
Manufacturer substitution
This part replaces 7035744. Substitute parts can look different from the original.
This item is not returnable
$11.89 | 
14% OFF Phone Price : $13.89
In Stock
Hrss 5/16 7092086
#11

Engine & blade diagram

Hrss 5/16

Part #7092086

Replaced by #7092086YP

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Manufacturer substitution
This part replaces 7092086. Substitute parts can look different from the original.
$8.26
In Stock
Belt 7100913
#3

Transmission (22") diagram

Belt

Part #7100913

Replaced by #7100913YP

?
Manufacturer substitution
This part replaces 7100913. Substitute parts can look different from the original.
This item is not returnable

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$23.79 | 
20% OFF Phone Price : $29.79
In Stock
Hhcs, 3/8-16 X 3/4, Yz 7900054
#34

Deck diagram

Hhcs, 3/8-16 x 3/4, yz

Part #7900054

Replaced by #5025013X6SM

?
Manufacturer substitution
This part replaces 7900054. Substitute parts can look different from the original.
This item is not returnable
$6.49
In Stock
Washer 721890
#14

Engine & blade diagram

Washer

Part #721890

Replaced by #1101989MA

?
Manufacturer substitution
This part replaces 721890. Substitute parts can look different from the original.
$9.34
In Stock
Pin 7101198
#18

Handles/controls diagram

Pin

Part #7101198

Replaced by #7101198YP

?
Manufacturer substitution
This part replaces 7101198. Substitute parts can look different from the original.
This item is not returnable
$9.57
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…

Read more

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.…

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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

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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