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.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 230 parts  |

Rope Guide 93-7383
#5

Handle and controls diagram

Rope guide

Part #93-7383

Replaced by #86-9671

?
Manufacturer substitution
This part replaces 93-7383. Substitute parts can look different from the original.
This item is not returnable
$5.74
19% OFF Was : $7.09
In Stock
Stop Nut 3296-29
#30

Housing, handle bracke and wheel diagram

Stop nut

Part #3296-29

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

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 Throttle Control Assembly 100-5987
#17

Handle and controls diagram

Lawn mower throttle control assembly

Part #100-5987

In Stock
Grip Ring 32151-68
#4

Gear case - 104-7672 diagram

Grip ring

Part #32151-68

This item is not returnable
In Stock
Shield 98-1388
#53

Engine - 98-1393 diagram

Shield

Part #98-1388

In Stock
Screw-sems, Pan 95-7621
#9

Engine and blade diagram

Screw-sems, pan

Part #95-7621

This item is not returnable
In Stock
Retainer Hose 95-7615
#67

Engine - 98-1393 diagram

Retainer hose

Part #95-7615

This item is not returnable
In Stock
Washer 3256-24
#5

Gear case - 104-7672 diagram

Washer

Part #3256-24

This item is not returnable
In Stock
Handle 100-2888-05
#9

Handle and controls diagram

Handle

Part #100-2888-05

In Stock

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

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…

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 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.…

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.…

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.…

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.

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.…

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.…

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.…