Briggs & Stratton
Lawn & Garden Engine

Model # 31P977-1094-B1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 31P977-1094-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 168 parts  |

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

#1027

All parts diagram

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

Part #696854

BEST SELLER
$17.93
10% OFF Phone Price : $19.93
In Stock
Filter 697153

#445

All parts diagram

Filter

Part #697153

Replaced by #795115

?
Manufacturer substitution
This part replaces 697153. Substitute parts can look different from the original.
BEST SELLER
$25.73
19% OFF Phone Price : $31.73
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 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
Lawn & Garden Equipment Engine Oil Seal (replaces 791892, Bs-795387) 795387

#20

All parts diagram

Lawn & garden equipment engine oil seal (replaces 791892, bs-795387)

Part #795387

BEST SELLER
$9.02
10% OFF Phone Price : $10.02
In Stock
Armature 795315

#333

All parts diagram

Armature

Part #795315

Replaced by #595304

?
Manufacturer substitution
This part replaces 795315. Substitute parts can look different from the original.
BEST SELLER
$51.70
10% OFF Phone Price : $57.70
In Stock
Fan 794438

#1005

All parts diagram

Fan

Part #794438

Replaced by #796201

?
Manufacturer substitution
This part replaces 794438. 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

Symptoms for top-mount refrigerators

Main causes: frozen or clogged defrost drain tube, cracked water system tubing…

Repair guides for top-mount refrigerators

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…

Repair difficulty
Time required
 15 minutes or less
How to replace the evaporator fan motor in a top-freezer refrigerator

How to replace the evaporator fan motor in a top-freezer refrigerator

The evaporator fan motor blows air across the evaporator coils and through the refrigerator cabinet for cooling. Replace…

Repair difficulty
Time required
 15 minutes or less
How to replace the compressor start relay in a top-freezer refrigerator

How to replace the compressor start relay in a top-freezer refrigerator

The compressor start relay starts the compressor and shuts it off if the motor overheats. Replace the start relay if it'…

Repair difficulty
Time required
 15 minutes or less

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

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.…