Briggs & Stratton
Lawn & Garden Engine

Model # 303777-0332-01 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 303777-0332-01 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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ALL PARTS
Showing 10 of 203 parts  |

Oil Filter 492932

#1027

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Oil filter

Part #492932

Replaced by #492932S

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Manufacturer substitution
This part replaces 492932. Substitute parts can look different from the original.
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$15.30
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Element 271271

#535

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Element

Part #271271

Replaced by #272490S

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Manufacturer substitution
This part replaces 271271. Substitute parts can look different from the original.
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$6.98
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Starter Gear 280104

#783

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Starter gear

Part #280104

Replaced by #695708

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Manufacturer substitution
This part replaces 280104. Substitute parts can look different from the original.
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Motor 399169

#309

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Motor

Part #399169

Replaced by #795121

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Manufacturer substitution
This part replaces 399169. Substitute parts can look different from the original.
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$165.53
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Regulator 394890

#501

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Regulator

Part #394890

Replaced by #845907

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Manufacturer substitution
This part replaces 394890. Substitute parts can look different from the original.
$67.66
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Cartridge 394018

#445

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Cartridge

Part #394018

Replaced by #394018S

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Manufacturer substitution
This part replaces 394018. Substitute parts can look different from the original.
This item is not returnable
$31.49
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Terminal Cable 221798

#851

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Terminal cable

Part #221798

Replaced by #493880S

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Manufacturer substitution
This part replaces 221798. Substitute parts can look different from the original.
This item is not returnable
$4.75
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Clamp 93053

#601

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Clamp

Part #93053

Replaced by #791850

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Manufacturer substitution
This part replaces 93053. Substitute parts can look different from the original.
This item is not returnable
$4.74
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Elbow 805529

#635

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Elbow

Part #805529

Replaced by #692076

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Manufacturer substitution
This part replaces 805529. Substitute parts can look different from the original.
This item is not returnable
$10.29
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Drive 490421

#510

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Drive

Part #490421

Replaced by #696540

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Manufacturer substitution
This part replaces 490421. Substitute parts can look different from the original.
$39.79
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Symptoms for gas walk-behind mowers

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

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

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

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

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

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

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

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.

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....

Repair difficulty
Time required
60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope....

Repair difficulty
Time required
15 minutes or less
How to replace a lawn mower wheel

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix....

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 walk-behind lawn mower.

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....