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 # 123K02-0478-E1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 123K02-0478-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 282 parts  |
Lawn & Garden Equipment Engine Air Filter 491588

#445A

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

$9.24 | 
10% OFF Phone Price : $10.24
In Stock
Lawn & Garden Equipment Engine Carburetor Rebuild Kit (replaces 493762, 498261) 498260

#121

All parts diagram

Lawn & garden equipment engine carburetor rebuild kit (replaces 493762, 498261)

Part #498260

BEST SELLER
$24.53 | 
20% OFF Phone Price : $30.53
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 | 
20% OFF Phone Price : $30.53
In Stock
Fuel Cap 397974

#957

All parts diagram

Fuel cap

Part #397974

Replaced by #796577

?
Manufacturer substitution
This part replaces 397974. Substitute parts can look different from the original.
BEST SELLER
$20.09 | 
23% OFF Phone Price : $26.09
In Stock
Cap 699985

#957B

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
$20.09 | 
23% OFF Phone Price : $26.09
In Stock
Lawn & Garden Equipment Engine Recoil Starter Rope (replaces 692259) 697316

#58

All parts diagram

Lawn & garden equipment engine recoil starter rope (replaces 692259)

Part #697316

BEST SELLER
$7.50 | 
12% OFF Phone Price : $8.50
In Stock
Fuel Filter (red) 298090

#240

All parts diagram

Fuel filter (red)

Part #298090

Replaced by #298090S

?
Manufacturer substitution
This part replaces 298090. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.31 | 
16% OFF Phone Price : $6.31
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
Ignition Module Armature 790817

#333A

All parts diagram

Ignition module armature

Part #790817

Replaced by #590454

?
Manufacturer substitution
This part replaces 790817. Substitute parts can look different from the original.
BEST SELLER
$53.78 | 
10% OFF Phone Price : $59.78
In Stock
Lawn & Garden Equipment Engine Ignition Coil 802574

#333

All parts diagram

Lawn & garden equipment engine ignition coil

Part #802574

Replaced by #590454

?
Manufacturer substitution
This part replaces 802574. Substitute parts can look different from the original.
BEST SELLER
$53.78 | 
10% OFF Phone Price : $59.78
In Stock

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

Repair guides for electric wall ovens

How to replace a wall oven broil element

How to replace a wall oven broil element

Follow these step-by-step instructions to replace the broiler element in an electric oven.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a temperature sensor on an electric wall oven

How to replace a temperature sensor on an electric wall oven

These step-by-step instructions guide you through replacing a temperature sensing probe on an electric wall oven.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a wall oven hidden bake element

How to replace a wall oven hidden bake element

These step-by-step instructions guide you through replacing the hidden bake element.…

Read more
Repair difficulty
Time required
 30 minutes or less

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

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