Lawn-Boy
Gas Walk-Behind Mower

Model #10324-8900001 & UP Lawn-Boy walk-behind lawn mower

Here are the diagrams and repair parts for Lawn-Boy 10324-8900001-UP walk-behind 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.

Save to my profile

Showing 10 of 213 parts

Lawn Mower Handle Knob

#3

Handle assembly Diagram

Lawn mower handle knob

Part #98-7134
This item is not returnable
$2.34

In Stock

Screw

#60

Engine assembly Diagram

Screw

Part #98-1394
This item is not returnable
$2.64

In Stock

Gasket

#41

Engine assembly Diagram

Gasket

Part #95-7613
This item is not returnable
$2.54

In Stock

Gas Tank

#4

Engine and blade assembly Diagram

Gas tank

Part #95-1897
$30.51

In Stock

Guide

#6

Housing assembly Diagram

Guide

Part #95-1732
This item is not returnable
$2.16

In Stock

Primer Hose

#9

Engine assembly Diagram

Primer hose

Part #95-1861
This item is not returnable
$6.04

In Stock

Lock Nut

#35

Housing assembly Diagram

Lock nut

Part #3296-29

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

Lawn Mower Handle

#19

Handle assembly Diagram

Lawn mower handle

Part #614643-05
?
Manufacturer substitution
This part replaces 614643. Substitute parts can look different from the original.
This part replaces 614643
$55.79

In Stock

Ring-friction

#7

Wheel assembly Diagram

Ring-friction

Part #65-4710
?
Manufacturer substitution
This part replaces 65-4710. Substitute parts can look different from the original.
This part replaces 65-4710
This item is not returnable
$2.42

In Stock

Drive Cover

#9

Housing assembly Diagram

Drive cover

Part #95-7413
?
Manufacturer substitution
This part replaces 95-7413. Substitute parts can look different from the original.
This part replaces 95-7413
$12.71

In Stock

Symptoms for gas walk-behind mowers

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

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel
Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade
Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent
Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up
Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key
Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, bad ignition coil

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 flywheel key on an OHV engine

The flywheel key couples the flywheel to the engine crankshaft. Replace the flywheel key if it's broken.

Repair difficulty
Time required
 60 minutes or less
April 1, 2013
By Lyle Weischwill
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
April 1, 2013
By Lyle Weischwill
How to replace a lawn mower safety switch

The safety switch stops the engine when you release the lever on the handle. This repair guide explains how to replace it if it's not working correctly.

Repair difficulty
Time required
 30 minutes or less

Articles and videos common to all walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

October 1, 2019

Types of walk-behind mower blades video

By Sears PartsDirect staff

Learn about the different kinds of mower blades and how to maintain them.