Briggs & Stratton
Lawn & Garden Engine

Model # 124700 TO 124799 (3102) Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 124700-TO-124799-3102 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 336 parts  |

Lawn & Garden Equipment Engine Air Filter 491588
#967

Base air cleaner assembly and cover 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 Primer 496115
#387

Base air cleaner assembly and cover diagram

Carburetor primer

Part #496115

Replaced by #694395

?
Manufacturer substitution
This part replaces 496115. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.24
16% OFF Phone Price : $6.24
In Stock
Carburetor 490937
#977

Carburetor gasket set/carburetor kit 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 Kit 493762
#121A

Carburetor gasket set/carburetor kit 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 492495
#121B

Carburetor gasket set/carburetor kit 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

Fuel tank assembly 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
Spark Plug 492167
#337C

Cylinder assembly diagram

Spark plug

Part #492167

Replaced by #J19LM

?
Manufacturer substitution
This part replaces 492167. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$4.80
17% OFF Phone Price : $5.80
In Stock
Lawn & Garden Equipment Engine Carburetor Float (replaces Bs-398187) 398187
Lawn & garden equipment engine carburetor float (replaces bs-398187)

Part #398187

This item is not returnable
$11.96
14% OFF Phone Price : $13.96
In Stock
Muffler 490547
#300

Muffler assembly diagram

Muffler

Part #490547

Replaced by #692038

?
Manufacturer substitution
This part replaces 490547. Substitute parts can look different from the original.
$44.59
12% OFF Phone Price : $50.59
In Stock
Oil Fill Cap 493950
#523B

Cylinder assembly diagram

Oil fill cap

Part #493950

Replaced by #499621

?
Manufacturer substitution
This part replaces 493950. Substitute parts can look different from the original.
This item is not returnable
$24.80
19% OFF Phone Price : $30.80
In Stock

Repair guides for front-engine lawn tractors

How to replace a ground drive belt on a riding lawn mower

How to replace a ground drive belt on a riding lawn mower

Replace the ground drive belt if it's broken or too worn to spin the transaxle pulley.…

Repair difficulty
Time required
 45 minutes or less
How to replace a blade clutch cable on a riding lawn mower

How to replace a blade clutch cable on a riding lawn mower

If the blades don't spin on your riding mower when you shift the lever, the blade clutch cable could be broken. Here’s h…

Repair difficulty
Time required
 30 minutes or less
How to replace a riding lawn mower blade drive belt

How to replace a riding lawn mower blade drive belt

Replace the blade drive belt if it's broken or won't spin the cutting blades because of wear.…

Repair difficulty
Time required
 45 minutes or less

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

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.…

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.…