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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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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 | 
19% OFF Was : $7.09
In Stock
Lock Nut 3296-29
Lock nut

Part #3296-29

The manufacturer no longer makes this part, and there's no substitute part

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
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
Shoulder Bolt 92-1057
#17

Rear axle assembly diagram

Shoulder bolt

Part #92-1057

Replaced by #92-1057

?
Manufacturer substitution
This part replaces 92-1057. Substitute parts can look different from the original.
This item is not returnable
$4.63
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
Start Handle 612825
#3

Handle assembly diagram

Start handle

Part #612825

Replaced by #81-1630

?
Manufacturer substitution
This part replaces 612825. Substitute parts can look different from the original.
$27.31
In Stock
Core Plug 609123
#21

2 cycle engine assembly diagram

Core plug

Part #609123

Replaced by #609123

?
Manufacturer substitution
This part replaces 609123. Substitute parts can look different from the original.
This item is not returnable
$5.57
In Stock
Clip 603145
#12

Carburetor assembly diagram

Clip

Part #603145

Replaced by #92-9697

?
Manufacturer substitution
This part replaces 603145. Substitute parts can look different from the original.
$23.47
In Stock
Tie Strap 614249
#13

Handle assembly diagram

Tie strap

Part #614249

Replaced by #614249

?
Manufacturer substitution
This part replaces 614249. Substitute parts can look different from the original.
This item is not returnable
$2.16
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

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

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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