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 # 31P977-0881-B1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 31P977-0881-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 170 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 Pre-filter (replaces 274874, Bs-697015) 697015

#967

All parts diagram

Lawn & garden equipment engine pre-filter (replaces 274874, bs-697015)

Part #697015

BEST SELLER
$7.21 | 
12% OFF Phone Price : $8.21
In Stock
Lawn & Garden Equipment Engine Rocker Arm Cover Gasket (replaces 272475, 692285) 272475S

#1022

All parts diagram

Lawn & garden equipment engine rocker arm cover gasket (replaces 272475, 692285)

Part #272475S

BEST SELLER
$7.56 | 
12% OFF Phone Price : $8.56
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
Lawn & Garden Equipment Engine Spark Plug (replaces Bs-691043) 691043

#337

All parts diagram

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

Part #691043

BEST SELLER

Get free shipping with Automatic Reorder

$7.27 | 
12% OFF Phone Price : $8.27
In Stock
Gasket 699168

#7

All parts diagram

Gasket

Part #699168

Replaced by #794114

?
Manufacturer substitution
This part replaces 699168. Substitute parts can look different from the original.
BEST SELLER
$25.24 | 
19% OFF Phone Price : $31.24
In Stock
Oil Seal 791892

#20

All parts diagram

Oil seal

Part #791892

Replaced by #795387

?
Manufacturer substitution
This part replaces 791892. 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 Assembly (replaces 697853, 699708, 794436, 796083) 796201

#73

All parts diagram

Lawn & garden equipment engine flywheel assembly (replaces 697853, 699708, 794436, 796083)

Part #796201

BEST SELLER
$34.37 | 
15% OFF Phone Price : $40.37
In Stock
Fan Flywheel 699043

#1005

All parts diagram

Fan flywheel

Part #699043

Replaced by #796201

?
Manufacturer substitution
This part replaces 699043. Substitute parts can look different from the original.
BEST SELLER
$34.37 | 
15% OFF Phone Price : $40.37
In Stock
Lawn & Garden Equipment Engine Carburetor 792768

#125

All parts diagram

Lawn & garden equipment engine carburetor

Part #792768

Replaced by #594605

?
Manufacturer substitution
This part replaces 792768. Substitute parts can look different from the original.
BEST SELLER
$134.66 | 
8% OFF Phone Price : $146.66
In Stock

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

Repair guides for bottom-mount refrigerators

How to replace a flipper mullion on a French-door refrigerator

How to replace a flipper mullion on a French-door refrigerator

If the flipper mullion breaks or its heater quits working, replace it in 15 minutes using these 4 easy steps.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a door gasket in a French-door refrigerator

How to replace a door gasket in a French-door refrigerator

The door gasket, often called a door seal, seals the gap around the door to keep the cold air in and the warm air out. R…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Read more
Repair difficulty
Time required
 15 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