Murray
Gas Walk-Behind Mower

Model # 7800258 Official Murray lawn mower

Here are the diagrams and repair parts for Official Murray 7800258 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 159 parts  |

Hln-1/4c-bz 7076978SM
Hln-1/4c-bz

Part #7076978SM

Replaced by #703232

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Manufacturer substitution
This part replaces 7076978SM. Substitute parts can look different from the original.
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Pushnut-1/4 7091020YP
Pushnut-1/4

Part #7091020YP

Replaced by #704005

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Manufacturer substitution
This part replaces 7091020YP. Substitute parts can look different from the original.
This item is not returnable
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Lawn & Garden Equipment Bolt 340720MA
#19

Deck - push, m22550fc diagram

Lawn & garden equipment bolt

Part #340720MA

Replaced by #703225

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Manufacturer substitution
This part replaces 340720MA. Substitute parts can look different from the original.
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$6.29
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Retaining Ring 7014341YP
Retaining ring

Part #7014341YP

Replaced by #703976

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Manufacturer substitution
This part replaces 7014341YP. Substitute parts can look different from the original.
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Blade  22  W 7100851YP
#9

Engine/blade/front cover diagram

Blade 22 w

Part #7100851YP

Replaced by #7100851AYP

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Manufacturer substitution
This part replaces 7100851YP. Substitute parts can look different from the original.
This item is not returnable

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$15.96
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Brkt  Lwr Ha 7300668BIYP
#2

Deck - push, m22550fc diagram

Brkt lwr ha

Part #7300668BIYP

In Stock
Danger Decal 7013010SM
#21

Decals diagram

Danger decal

Part #7013010SM

This item is not returnable
In Stock
Decal Murray 7101932YP
#1

Decals diagram

Decal murray

Part #7101932YP

In Stock
Wire Tie 11 7024649YP
Wire tie 11

Part #7024649YP

In Stock
Decal Cpsc F 7101495YP
#22

Decals diagram

Decal cpsc f

Part #7101495YP

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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.

Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

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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