Gas Walk-Behind Mower

Model # 10321-790001 & UP Official Lawn-Boy lawn mower

Here are the diagrams and repair parts for Official Lawn-Boy 10321-790001 & UP lawn mower, as well as links to manuals and error code tables, if available.

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Browse Parts for
10321-790001 & UP Walk-Behind Mowers
Rope Guide 93-7383
#16

Handle assembly 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
Screw 32144-85
#11

Rear axle assembly diagram

Screw

Part #32144-85

Replaced by #32144-85

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Manufacturer substitution
This part replaces 32144-85. Substitute parts can look different from the original.
This item is not returnable
In Stock
Screw 95-1726
#3

Engine assembly diagram

Screw

Part #95-1726

Replaced by #95-1726

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Manufacturer substitution
This part replaces 95-1726. Substitute parts can look different from the original.
This item is not returnable
In Stock
Bail Brake 93-4184
#12

Handle assembly diagram

Bail brake

Part #93-4184

Replaced by #93-4184-03

?
Manufacturer substitution
This part replaces 93-4184. Substitute parts can look different from the original.
In Stock
Screw 49-2040
#24

Housing assembly diagram

Screw

Part #49-2040

Replaced by #49-2040

?
Manufacturer substitution
This part replaces 49-2040. Substitute parts can look different from the original.
This item is not returnable
In Stock
Spacer 62-6660
#18

Gear assembly diagram

Spacer

Part #62-6660

Replaced by #62-6660

?
Manufacturer substitution
This part replaces 62-6660. Substitute parts can look different from the original.
This item is not returnable
In Stock
Anchor Cable 92-7729
#6

Handle assembly diagram

Anchor cable

Part #92-7729

Replaced by #92-7729

?
Manufacturer substitution
This part replaces 92-7729. Substitute parts can look different from the original.
In Stock
Gear Cover 614668
#1

Gear assembly diagram

Gear cover

Part #614668

Replaced by #614668-03

?
Manufacturer substitution
This part replaces 614668. Substitute parts can look different from the original.
In Stock
Shoulder Bolt 92-1057
#1

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
In Stock
Drive Cover 614671
#27

Housing assembly diagram

Drive cover

Part #614671

Replaced by #92-8649

?
Manufacturer substitution
This part replaces 614671. Substitute parts can look different from the original.
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: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

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: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

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

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 drive cable

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…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower starter rope

How to replace a lawn mower starter rope

These step-by-step instructions show how to replace a broken starter pull rope on a walk-behind lawn mower.…

Repair difficulty
Time required
 30 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

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.…

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Top questions about Sears and Sears PartsDirect

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