Lawn-Boy
Gas Walk-Behind Mower

Model # 10323-210000001 + UP Official Lawn-Boy gas lawn mower

Here are the diagrams and repair parts for Official Lawn-Boy 10323-210000001-UP gas 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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Showing 10 of 230 parts  |

Lawn & Garden Equipment Engine Fuel Tank Cap 35355
#13

Engine and blade diagram

Lawn & garden equipment engine fuel tank cap

Part #35355

Replaced by #37845

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Manufacturer substitution
This part replaces 35355. Substitute parts can look different from the original.
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$9.59
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In Stock
Rope Guide 93-7383
#5

Handle and controls diagram

Rope guide

Part #93-7383

Replaced by #86-9671

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Manufacturer substitution
This part replaces 93-7383. Substitute parts can look different from the original.
This item is not returnable
$5.74
15% OFF Phone Price : $6.74
In Stock
Lawn & Garden Equipment Engine Carburetor Primer Bulb 66-7460
#12

Engine and blade diagram

Lawn & garden equipment engine carburetor primer bulb

Part #66-7460

This item is not returnable
In Stock
Lawn Mower Screw 32144-85
#11

Rear axle diagram

Lawn mower screw

Part #32144-85

This item is not returnable
In Stock
Decal Manual 104-7634
#10:12

Housing, handle bracke and wheel diagram

Decal manual

Part #104-7634

In Stock
Muffler 98-1392
#57

Engine - 98-1393 diagram

Muffler

Part #98-1392

In Stock
Connecting Rod 95-7629
#11:2

Short block - 95-7636 diagram

Connecting rod

Part #95-7629

In Stock
Primer Hose 95-1861
#9

Engine - 98-1393 diagram

Primer hose

Part #95-1861

In Stock
Lawn Mower Handle Bracket 104-7639
#10A

Housing, handle bracke and wheel diagram

Lawn mower handle bracket

Part #104-7639

In Stock
Strip 99-1521
#15:5

Engine and blade diagram

Strip

Part #99-1521

In Stock

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.

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.…

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.…

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.…