Briggs & Stratton
Lawn & Garden Engine

Model # 31R977-0043-G1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 31R977-0043-G1 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 250 parts  |

Briggs & Stratton Lawn And Garden Equipment Engine Oil Filter (replaces 697547, 795890, Bs- 696854
#1027

Crankshaft/cylinder/sump diagram

Briggs & stratton lawn and garden equipment engine oil filter (replaces 697547, 795890, bs-

Part #696854

BEST SELLER
$18.47
10% OFF Phone Price : $20.47
In Stock
Lawn & Garden Equipment Engine Starter Drive Assembly 693699
#510

Alternator/motor-starter 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
$141.49
8% OFF Phone Price : $153.49
In Stock
Lawn & Garden Equipment Engine Starter Motor 693551
#309

Alternator/motor-starter 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
$141.49
8% OFF Phone Price : $153.49
In Stock
Lawn & Garden Equipment Engine Rocker Arm Cover Gasket (replaces 272475, 692285) 272475S
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 Fuel Pump Assembly 808656
#387A

Carburetor diagram

Lawn & garden equipment engine fuel pump assembly

Part #808656

Replaced by #597338

?
Manufacturer substitution
This part replaces 808656. Substitute parts can look different from the original.
BEST SELLER
$30.26
17% OFF Phone Price : $36.26
In Stock
Lawn & Garden Equipment Engine Ignition Coil 592841
#333A

Alternator/motor-starter diagram

Lawn & garden equipment engine ignition coil

Part #592841

Replaced by #595304

?
Manufacturer substitution
This part replaces 592841. Substitute parts can look different from the original.
BEST SELLER
$53.25
10% OFF Phone Price : $59.25
In Stock
Lawn & Garden Equipment Engine Carburetor 591734
#125

Carburetor diagram

Lawn & garden equipment engine carburetor

Part #591734

Replaced by #594605

?
Manufacturer substitution
This part replaces 591734. Substitute parts can look different from the original.
BEST SELLER
$134.66
8% OFF Phone Price : $146.66
In Stock
Lawn & Garden Equipment Engine Intake Valve Push Rod (replaces 494432) 692003
#1026

Head-cylinder/muffler diagram

Lawn & garden equipment engine intake valve push rod (replaces 494432)

Part #692003

BEST SELLER
$9.84
9% OFF Phone Price : $10.84
In Stock
Lawn & Garden Equipment Engine Carburetor Rebuild Kit (replaces 698787, 790032, Bs-699521, Bs-796184) 796184
Lawn & garden equipment engine carburetor rebuild kit (replaces 698787, 790032, bs-699521, bs-796184)

Part #796184

BEST SELLER
$61.84
9% OFF Phone Price : $67.84
In Stock
Lawn & Garden Equipment Engine Exhaust Valve Push Rod (replaces 495136) 692011
#1026A

Head-cylinder/muffler diagram

Lawn & garden equipment engine exhaust valve push rod (replaces 495136)

Part #692011

BEST SELLER
This item is not returnable
$13.23
13% OFF Phone Price : $15.23
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 the electronic control board inside a top-freezer refrigerator

How to replace the electronic control board inside a top-freezer refrigerator

The electronic control board is the "brains" of the refrigerator. Replace the electronic control board if it fails.…

Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator temperature control thermostat

How to replace a refrigerator temperature control thermostat

This helpful refrigerator repair guide explains how to replace the temperature control thermostat in a refrigerator.…

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

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

The condenser fan is in the machine compartment of the refrigerator next to the compressor. It moves air across the cond…

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.…