Lawn & Garden Engine

Model # 21B807-0289-E1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 21B807-0289-E1 engine, as well as links to manuals and error code tables, if available.

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21B807-0289-E1 Engine
Filter 394358

#240

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Filter

Part #394358

Replaced by #394358S

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This part replaces 394358. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Starter Drive Assembly 693699

#510

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Lawn & garden equipment engine starter drive assembly

Part #693699

Replaced by #593934

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This part replaces 693699. Substitute parts can look different from the original.
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$137.13
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Lawn & Garden Equipment Engine Starter Motor 693551

#309

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Lawn & garden equipment engine starter motor

Part #693551

Replaced by #593934

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Manufacturer substitution
This part replaces 693551. Substitute parts can look different from the original.
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Gasket 272475

#1022

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Gasket

Part #272475

Replaced by #272475S

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This part replaces 272475. Substitute parts can look different from the original.
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Camshaft 698492

#46

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Camshaft

Part #698492

Replaced by #84005207

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This part replaces 698492. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Spark Plug (replaces Bs-691043) 691043

#337

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Lawn & garden equipment engine spark plug (replaces bs-691043)

Part #691043

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$7.27
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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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Carburetor 698787

#121

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Carburetor

Part #698787

Replaced by #796184

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Lawn & Garden Equipment Engine Alternator 696459

#474

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Lawn & garden equipment engine alternator

Part #696459

Replaced by #592831

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$98.74
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Lawn & Garden Equipment Engine Intake Gasket (replaces 273650) 692137

#51

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Lawn & garden equipment engine intake gasket (replaces 273650)

Part #692137

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$4.39
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Symptoms for gas walk-behind mowers

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

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

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

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 drive cable

How to replace a lawn mower drive cable

The drive cable engages the transmission to spin the drive wheels and move the mower across the grass. Replace the drive…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower starter rope

How to replace a lawn mower starter rope

These step-by-step instructions show how to replace a broken starter pull rope on a walk-behind lawn mower.…

Repair difficulty
Time required
 30 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.…