Briggs & Stratton
Lawn & Garden Engine

Model # 303777-1032-A1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 303777-1032-A1 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 210 parts  |

Fuel Filter 493629

#240

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Fuel filter

Part #493629

Replaced by #84001895

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This part replaces 493629. Substitute parts can look different from the original.
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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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Flat Pump Assembly 491922

#387

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Flat pump assembly

Part #491922

Replaced by #597338

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Manufacturer substitution
This part replaces 491922. Substitute parts can look different from the original.
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Element 272490

#535

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Element

Part #272490

Replaced by #272490S

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This part replaces 272490. Substitute parts can look different from the original.
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Motor 494990

#309

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Motor

Part #494990

Replaced by #795121

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Manufacturer substitution
This part replaces 494990. Substitute parts can look different from the original.
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Starter Gear 280104

#783

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Starter gear

Part #280104

Replaced by #695708

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This part replaces 280104. Substitute parts can look different from the original.
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Magneto 492341

#333

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Magneto

Part #492341

Replaced by #591459

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This part replaces 492341. Substitute parts can look different from the original.
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Clutch 398003

#513

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Clutch

Part #398003

Replaced by #692024

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This part replaces 398003. Substitute parts can look different from the original.
This item is not returnable
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Cartridge 394018

#445

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Cartridge

Part #394018

Replaced by #394018S

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Plug 805048

#15

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Plug

Part #805048

Replaced by #690946

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This part replaces 805048. Substitute parts can look different from the original.
This item is not returnable
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Symptoms for gas walk-behind mowers

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

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

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

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

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

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

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

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 replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

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

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

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 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.…