Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Briggs & Stratton
Lawn & Garden Engine

Model # 31P677-0804-B1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 31P677-0804-B1 engine, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 139 parts  |
Craftsman Lawn & Garden Equipment Engine Oil Filter (replaces 24603, 492932, 691041, 7045184yp, Bs-492932s) 492932S

#1027

All parts diagram

Craftsman lawn & garden equipment engine oil filter (replaces 24603, 492932, 691041, 7045184yp, bs-492932s)

Part #492932S

BEST SELLER
$15.30 | 
12% OFF Phone Price : $17.30
In Stock
Lawn & Garden Equipment Engine Fuel Filter (replaces 2173206, 2173206sm, 394358, 692064, 7014359, 7014359yp, 75213, Bs-394358s) 394358S

#240

All parts diagram

Lawn & garden equipment engine fuel filter (replaces 2173206, 2173206sm, 394358, 692064, 7014359, 7014359yp, 75213, bs-394358s)

Part #394358S

BEST SELLER
$6.67 | 
13% OFF Phone Price : $7.67
In Stock
Lawn & Garden Equipment Engine Starter Drive Assembly 693699

#510

All parts diagram

Lawn & garden equipment engine starter drive assembly

Part #693699

Replaced by #593934

?
Manufacturer substitution
This part replaces 693699. Substitute parts can look different from the original.
BEST SELLER
$137.37 | 
8% OFF Phone Price : $149.37
In Stock
Lawn & Garden Equipment Engine Starter Motor 693551

#309

All parts diagram

Lawn & garden equipment engine starter motor

Part #693551

Replaced by #593934

?
Manufacturer substitution
This part replaces 693551. Substitute parts can look different from the original.
BEST SELLER
$137.37 | 
8% OFF Phone Price : $149.37
In Stock
Engine Air Filter 698083

#445

All parts diagram

Engine air filter

Part #698083

Replaced by #794422

?
Manufacturer substitution
This part replaces 698083. Substitute parts can look different from the original.
BEST SELLER
$23.03 | 
21% OFF Phone Price : $29.03
In Stock
Lawn & Garden Equipment Engine Crankcase Gasket 697110

#12

All parts diagram

Lawn & garden equipment engine crankcase gasket

Part #697110

BEST SELLER
$9.02 | 
10% OFF Phone Price : $10.02
In Stock
Oil Seal 690947

#20

All parts diagram

Oil seal

Part #690947

Replaced by #795387

?
Manufacturer substitution
This part replaces 690947. Substitute parts can look different from the original.
BEST SELLER
$9.02 | 
10% OFF Phone Price : $10.02
In Stock
Lawn & Garden Equipment Engine Flywheel Key (replaces 222698, 690974, Bs-222698s) 222698S

#24

All parts diagram

Lawn & garden equipment engine flywheel key (replaces 222698, 690974, bs-222698s)

Part #222698S

BEST SELLER
This item is not returnable
$3.29 | 
23% OFF Phone Price : $4.29
In Stock
Lawn & Garden Equipment Engine Camshaft 793880

#46

All parts diagram

Lawn & garden equipment engine camshaft

Part #793880

$101.67 | 
11% OFF Phone Price : $113.67
In Stock
Lawn & Garden Equipment Engine Governor And Oil Slinger (replaces 490815) 691968

#43

All parts diagram

Lawn & garden equipment engine governor and oil slinger (replaces 490815)

Part #691968

$44.07 | 
12% OFF Phone Price : $50.07
In Stock

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

Symptoms for gas ranges

Why won't my range's gas burner spark or ignite?

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

Read more

Why isn't my range's gas burner heating properly?

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

Read more

Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a range spark igniter switch

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual…

Read more
Repair difficulty
Time required
 60 minutes or less
How to replace a range spark igniter electrode

How to replace a range spark igniter electrode

Learn how to replace the spark igniter electrode for the surface burners on a gas range or dual-fuel range.…

Read more
Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your lawn & garden engines

View all
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.…

Read more
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.…

Read more

Parts & More