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 # 124700 TO 124799 (3603 - 3603) Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 124700-TO-124799-3603-3603 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 305 parts  |
Lawn & Garden Equipment Engine Air Filter 491588

#967

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
Carburetor Kit 493762

#121

All parts diagram

Carburetor kit

Part #493762

Replaced by #498260

?
Manufacturer substitution
This part replaces 493762. Substitute parts can look different from the original.
BEST SELLER
$24.53 | 
20% OFF Phone Price : $30.53
In Stock
Carburetor 490937

#977

All parts diagram

Carburetor

Part #490937

Replaced by #498260

?
Manufacturer substitution
This part replaces 490937. Substitute parts can look different from the original.
BEST SELLER
$24.53 | 
20% OFF Phone Price : $30.53
In Stock
Carburetor 492495

#121A

All parts diagram

Carburetor

Part #492495

Replaced by #498260

?
Manufacturer substitution
This part replaces 492495. Substitute parts can look different from the original.
BEST SELLER
$24.53 | 
20% OFF Phone Price : $30.53
In Stock
Fuel Pipe 492790

#187

All parts diagram

Fuel pipe

Part #492790

Replaced by #791766

?
Manufacturer substitution
This part replaces 492790. Substitute parts can look different from the original.
BEST SELLER
$9.59 | 
9% OFF Phone Price : $10.59
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
Pre-filter 493537

#991

All parts diagram

Pre-filter

Part #493537

Replaced by #493537S

?
Manufacturer substitution
This part replaces 493537. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$11.11 | 
15% OFF Phone Price : $13.11
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
Fuel Tank Assembly 493872

#972Q

All parts diagram

Fuel tank assembly

Part #493872

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

Fuel Tank Assembly 492859

#972E

All parts diagram

Fuel tank assembly

Part #492859

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

Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

View all

Why doesn't my snowblower auger turn?

Main causes: broken shear pins, worn or loose auger drive belt, auger drive cable failure, damaged auger, bad gear case…

Read more

Why won't my snowblower clear snow well?

Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, …

Read more

Why won't my snowblower start?

Main causes: stale gas, clogged carburetor, clogged or broken fuel line, dirty spark plug, bad rewind starter, incorrect…

Read more

What should I do about a damaged snowblower tire?

Main causes: punctured tire, damaged rim…

Read more

Why won't my snowblower throw snow far enough?

Main causes: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems…

Read more

How do I tune up my snowblower?

Things to do: replace the spark plug, change the oil, rebuild the carburetor, adjust valve lash, adjust or replace the b…

Read more

Why does my snowblower engine run rough?

Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…

Read more

Why does my snowblower stop running after a few seconds?

Main causes: dirty carburetor, stale fuel…

Read more

Why doesn't my snowblower self propel?

Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…

Read more

Repair guides for gas snowblowers

These step-by-step repair guides will help you safely fix what’s broken on your snowblower.

View all
How to replace a snowblower fuel filter

How to replace a snowblower fuel filter

Replace the fuel filter on your snowblower if it's clogged or damaged.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to adjust snowblower skid shoes

How to adjust snowblower skid shoes

To prevent snowblower auger and shave plate damage, adjust the skid shoes regularly to keep the shave plate ¼-inch high.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to rebuild a snowblower carburetor

How to rebuild a snowblower carburetor

Rebuild the carburetor on your snowblower if the engine isn't getting fuel.…

Read more
Repair difficulty
Time required
 45 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 snowblower.

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