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Lawn-Boy
Gas Walk-Behind Mower

Model # 10301-4900001-4999999 Official Lawn-Boy walk-behind lawn mower

Here are the diagrams and repair parts for Official Lawn-Boy 10301-4900001-4999999 walk-behind lawn mower, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 213 parts  |
Rope Guide 92-7720
#2

Handle assembly diagram

Rope guide

Part #92-7720

Replaced by #86-9671

?
Manufacturer substitution
This part replaces 92-7720. Substitute parts can look different from the original.
This item is not returnable
$5.74 | 
15% OFF Phone Price : $6.74
In Stock
Primer 66-7460
#22

Fuel tank& blade assembly diagram

Primer

Part #66-7460

Replaced by #66-7460

?
Manufacturer substitution
This part replaces 66-7460. Substitute parts can look different from the original.
This item is not returnable
$8.49
In Stock
Screw Engine 92-1624
#13

Fuel tank& blade assembly diagram

Screw engine

Part #92-1624

Replaced by #95-1726

?
Manufacturer substitution
This part replaces 92-1624. Substitute parts can look different from the original.
This item is not returnable
$3.74
In Stock
Screw 32144-85
#22

Rear axle assembly diagram

Screw

Part #32144-85

Replaced by #32144-85

?
Manufacturer substitution
This part replaces 32144-85. Substitute parts can look different from the original.
This item is not returnable
$3.31
In Stock
Shoulder Bolt 614650
#17

Deck & wheel assy (hand push) diagram

Shoulder bolt

Part #614650

Replaced by #614650

?
Manufacturer substitution
This part replaces 614650. Substitute parts can look different from the original.
This item is not returnable
$5.97
In Stock
Cap Screw 322-3
Cap screw

Part #322-3

Replaced by #322-3

?
Manufacturer substitution
This part replaces 322-3. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Pulley 92-4929
#3

Recoil starter assembly diagram

Pulley

Part #92-4929

Replaced by #92-4929

?
Manufacturer substitution
This part replaces 92-4929. Substitute parts can look different from the original.
$80.53
In Stock
Knob Ht Ajs 92-1008
Knob ht ajs

Part #92-1008

Replaced by #92-1008

?
Manufacturer substitution
This part replaces 92-1008. Substitute parts can look different from the original.
$23.94
In Stock
Danger Decal 92-5428
Danger decal

Part #92-5428

Replaced by #92-5428

?
Manufacturer substitution
This part replaces 92-5428. Substitute parts can look different from the original.
$16.94
In Stock
Nut 3296-73
#16

Handle assembly diagram

Nut

Part #3296-73

Replaced by #3296-73

?
Manufacturer substitution
This part replaces 3296-73. Substitute parts can look different from the original.
$7.51
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…

Read more
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

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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