Lawn-Boy
Gas Walk-Behind Mower

Model #10210-4900001 TO 4999999 Lawn-Boy walk-behind lawn mower

Here are the diagrams and repair parts for Lawn-Boy 10210-4900001-TO-4999999 walk-behind lawn mower, as well as links to manuals and error code tables, if available.


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Showing 10 of 263 parts

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Lawn & Garden Equipment Engine Air Filter

#245

Engine tvs115-57901b (71,143) Diagram

Lawn & garden equipment engine air filter

Part #35066
This item is not returnable
$4.89

In Stock

Lawn & Garden Equipment Engine Recoil Starter Rope, 98-in

#12

Rewind starter Diagram

$9.70

In Stock

Lawn & Garden Equipment Engine Oil Seal

#20

Engine tvs115-57901b (71,143) Diagram

$9.89

In Stock

Lawn & Garden Equipment O-Ring

#307

Engine tvs115-57901b (71,143) Diagram

Lawn & garden equipment o-ring

Part #35499
This item is not returnable
$2.27

In Stock

Lawn & Garden Equipment Engine Oil Drain Plug

#72

Engine tvs115-57901b (71,143) Diagram

Lawn & garden equipment engine oil drain plug

Part #36083
This item is not returnable
$4.20

In Stock

Lawn & Garden Equipment Engine Recoil Starter Handle

#13

Rewind starter Diagram

Lawn & garden equipment engine recoil starter handle

Part #590701
This item is not returnable
$5.30

In Stock

Lawn & Garden Equipment Screw

#238

Engine tvs115-57901b (71,143) Diagram

Lawn & garden equipment screw

Part #650932
This item is not returnable
$3.04

In Stock

Lawn & Garden Equipment Engine Carburetor Fuel Inlet Fitting

#26

Carburetor 632078a (71/143) Diagram

$11.45

In Stock

Lawn & Garden Equipment Engine Intake Manifold Gasket

#224

Engine tvs115-57901b (71,143) Diagram

Lawn & garden equipment engine intake manifold gasket

Part #34690A
This item is not returnable
$5.29

In Stock

Lawn & Garden Equipment Screw

#287

Engine tvs115-57901b (71,143) Diagram

Lawn & garden equipment screw

Part #650926
This item is not returnable
$2.39

In Stock

Showing 10 of 263 parts

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.

March 1, 2016
By Lyle Weischwill
How to replace a lawn mower drive cable

The drive cable engages the transmission to spin the drive wheels and move the mower across the grass. Replace the drive cable if it's broken or frozen up inside the sheath.

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.