Briggs & Stratton
Lawn & Garden Engine

Model # 28N707-0173-01 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 28N707-0173-01 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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Showing 10 of 178 parts  |

Filter 394358

#240

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Filter

Part #394358

Replaced by #394358S

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Manufacturer substitution
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Gasket 272475

#1022

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Gasket

Part #272475

Replaced by #272475S

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Gear Cam 496884

#46

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Gear cam

Part #496884

Replaced by #84005207

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Air Filter 493909

#445

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Air filter

Part #493909

Replaced by #496894S

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This part replaces 493909. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Starter Motor (replaces 392744, 392749, 494325) 497595

#309

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Lawn & garden equipment engine starter motor (replaces 392744, 392749, 494325)

Part #497595

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Armature 495859

#333

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Armature

Part #495859

Replaced by #591459

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Elbow 493496

#611

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Elbow

Part #493496

Replaced by #692317

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Filter 272403

#535

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Filter

Part #272403

Replaced by #272403S

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Key 222698

#24

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Key

Part #222698

Replaced by #222698S

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Starter Gear 280104

#783

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Starter gear

Part #280104

Replaced by #695708

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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 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 transmission

How to replace a lawn mower transmission

Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.…

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

How to replace a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Replace the carburetor if it's clogged or damaged.…

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.…

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