Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Briggs & Stratton
Lawn & Garden Engine

Model # 123K02-0479-E1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 123K02-0479-E1 engine, 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 146 parts  |
Lawn & Garden Equipment Engine Air Filter 491588

#445

All parts diagram

Lawn & garden equipment engine air filter

Part #491588

Replaced by #491588S

?
Manufacturer substitution
This part replaces 491588. Substitute parts can look different from the original.
BEST SELLER

Get free shipping with Automatic Reorder

$8.01 | 
11% OFF Phone Price : $9.01
In Stock
Lawn & Garden Equipment Engine Carburetor Rebuild Kit (replaces 493762, 498261) 498260
Lawn & garden equipment engine carburetor rebuild kit (replaces 493762, 498261)

Part #498260

BEST SELLER
$24.53 | 
17% OFF Phone Price : $29.53
In Stock
Gasket Set-c 498261

#977

All parts diagram

Gasket set-c

Part #498261

Replaced by #498260

?
Manufacturer substitution
This part replaces 498261. Substitute parts can look different from the original.
BEST SELLER
$24.53 | 
17% OFF Phone Price : $29.53
In Stock
Cap 699985

#957

All parts diagram

Cap

Part #699985

Replaced by #796577

?
Manufacturer substitution
This part replaces 699985. Substitute parts can look different from the original.
BEST SELLER
$21.31 | 
19% OFF Phone Price : $26.31
In Stock
Fuel Line (red) 691050

#187

All parts diagram

Fuel line (red)

Part #691050

Replaced by #791766

?
Manufacturer substitution
This part replaces 691050. Substitute parts can look different from the original.
BEST SELLER
$9.31 | 
10% OFF Phone Price : $10.31
In Stock
Air Cleaner Gasket 272653

#163

All parts diagram

Air cleaner gasket

Part #272653

Replaced by #795629

?
Manufacturer substitution
This part replaces 272653. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$4.51 | 
18% OFF Phone Price : $5.51
In Stock
Bowl 493640

#975

All parts diagram

Bowl

Part #493640

Replaced by #796611

?
Manufacturer substitution
This part replaces 493640. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$8.24 | 
11% OFF Phone Price : $9.24
In Stock
Lawn & Garden Equipment Engine Recoil Starter Pulley (replaces 263074, 281504, Bs-498144) 498144
Lawn & garden equipment engine recoil starter pulley (replaces 263074, 281504, bs-498144)

Part #498144

BEST SELLER
$25.20 | 
17% OFF Phone Price : $30.20
In Stock
Key 222698

#24

All parts diagram

Key

Part #222698

Replaced by #222698S

?
Manufacturer substitution
This part replaces 222698. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$3.29 | 
23% OFF Phone Price : $4.29
In Stock
Lawn & Garden Equipment Engine Air Vane Spring 790849

#1387

All parts diagram

Lawn & garden equipment engine air vane spring

Part #790849

BEST SELLER
This item is not returnable
$7.51 | 
12% OFF Phone Price : $8.51
In Stock

Symptoms for gas walk-behind mowers

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

View all

Why does my lawn mower stall?

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Read more

Why won't my lawn mower move?

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

Read more

Why won't my lawn mower start?

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

Read more

Why does my lawn mower run rough?

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

Read more

Why does my lawn mower cut unevenly?

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

Read more

Why does my lawn mower vibrate a lot?

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

Read more

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.

View all
How to replace a lawn mower transmission

How to replace a lawn mower transmission

Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.…

Read more
Repair difficulty
Time required
 60 minutes or less
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.…

Read more
Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower ignition coil on a flathead engine

How to replace a lawn mower ignition coil on a flathead engine

If the spark plug doesn't fire when you try to start the mower, you could have a defective ignition coil. Follow these s…

Read more
Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your lawn & garden engines

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

View all
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.…

Read more
What are the main components of a lawn mower?

What are the main components of a lawn mower?

Learn about the main parts of a lawn mower and when to replace parts.…

Read more

Parts & More