Briggs & Stratton
Lawn & Garden Engine

Model # 124800 TO 124899 (3401-3440) Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 124800-TO-124899-3401-3440 engine, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 274 parts  |

Lawn & Garden Equipment Engine Air Filter 491588
#967

Gasket-air cleaner diagram

Lawn & garden equipment engine air filter

Part #491588

Replaced by #491588S

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Manufacturer substitution
This part replaces 491588. Substitute parts can look different from the original.
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$9.24
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Carburetor 490937
#977

Gasket sets diagram

Carburetor

Part #490937

Replaced by #498260

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Manufacturer substitution
This part replaces 490937. Substitute parts can look different from the original.
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$24.53
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Carburetor Kit 493762
#121

Gasket sets diagram

Carburetor kit

Part #493762

Replaced by #498260

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Manufacturer substitution
This part replaces 493762. Substitute parts can look different from the original.
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Fuel Cap 397974
#957

Line-fuel/tank-fuel diagram

Fuel cap

Part #397974

Replaced by #796577

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Manufacturer substitution
This part replaces 397974. Substitute parts can look different from the original.
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$20.09
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Air Cleaner Gasket 272653
Air cleaner gasket

Part #272653

Replaced by #795629

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Manufacturer substitution
This part replaces 272653. Substitute parts can look different from the original.
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$4.51
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Spark Plug 492167
#337A

Cylinder diagram

Spark plug

Part #492167

Replaced by #861

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Manufacturer substitution
This part replaces 492167. Substitute parts can look different from the original.
This item is not returnable
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Lawn & Garden Equipment Engine Ignition Coil 802574
#333

Muffler-exhaust diagram

Lawn & garden equipment engine ignition coil

Part #802574

Replaced by #590454

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Manufacturer substitution
This part replaces 802574. Substitute parts can look different from the original.
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$53.78
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Tank 495224
#972

Line-fuel/tank-fuel diagram

Tank

Part #495224

Replaced by #699374

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Manufacturer substitution
This part replaces 495224. Substitute parts can look different from the original.
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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
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Seal Int El 270344
Seal int el

Part #270344

Replaced by #270344S

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Manufacturer substitution
This part replaces 270344. Substitute parts can look different from the original.
This item is not returnable
$4.91
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Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

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

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

Main causes: dirty carburetor, stale fuel…

Main causes: punctured tire, damaged rim…

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

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

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

Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly…

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

Repair guides for gas snowblowers

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

How to adjust snowblower engine valve lash

How to adjust snowblower engine valve lash

Adjust the engine valve lash on your snowblower to keep the engine starting and running smoothly.…

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.…

Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower shave plate

How to replace a snowblower shave plate

Follow the 7 easy steps in this repair guide/video to replace a worn out shave plate on your snowblower.…

Repair difficulty
Time required
 15 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.

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Top questions about Sears and Sears PartsDirect

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What are the main components of a lawn mower?

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