Briggs & Stratton
Lawn & Garden Engine

Model # 31Q777-0036-E1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 31Q777-0036-E1 engine, as well as links to manuals and error code tables, if available.

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Showing 10 of 251 parts  |

Lawn & Garden Equipment Engine Oil Filter (replaces 697547, 795890, Bs-696854) 696854

#1027

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Lawn & garden equipment engine oil filter (replaces 697547, 795890, bs-696854)

Part #696854

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Filter 394358

#240

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Filter

Part #394358

Replaced by #394358S

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Manufacturer substitution
This part replaces 394358. Substitute parts can look different from the original.
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Filter 697153

#445

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Filter

Part #697153

Replaced by #795115

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Manufacturer substitution
This part replaces 697153. 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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Manufacturer substitution
This part replaces 693699. Substitute parts can look different from the original.
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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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Lawn & Garden Equipment Engine Crankcase Gasket 697110

#12

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Lawn & garden equipment engine crankcase gasket

Part #697110

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Gasket 699168

#7

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Gasket

Part #699168

Replaced by #794114

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This part replaces 699168. Substitute parts can look different from the original.
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Oil Seal 690947

#20

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Oil seal

Part #690947

Replaced by #795387

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This part replaces 690947. 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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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.…