Briggs & Stratton
Lawn & Garden Engine

Model # 31P677-3373-G1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 31P677-3373-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 228 parts  |

Lawn & Garden Equipment Engine Oil Filter (replaces 697547, 795890, Bs-696854) 696854
#1027A

Cylinder/crankshaft/sump 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
Craftsman Lawn & Garden Equipment Engine Oil Filter (replaces 24603, 492932, 691041, 7045184yp, Bs-492932s) 492932S
#1027

Cylinder/crankshaft/sump 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

Carburetor 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

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
$137.37
8% OFF Phone Price : $149.37
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
$137.37
8% OFF Phone Price : $149.37
In Stock
Filter 796031
#445B

Muffler/blower housing diagram

Filter

Part #796031

Replaced by #594201

?
Manufacturer substitution
This part replaces 796031. Substitute parts can look different from the original.
BEST SELLER
$18.84
10% OFF Phone Price : $20.84
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 Crankcase Gasket 697110
#12

Cylinder/crankshaft/sump 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 Oil Seal (replaces 791892, Bs-795387) 795387
#20

Cylinder/crankshaft/sump 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
Lawn & Garden Equipment Engine Flywheel Assembly (replaces 697853, 699708, 794436, 796083) 796201
#1005A

Flywheel 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

Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…

Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…

Main causes: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems…

Things to do: replace the spark plug, change the oil, rebuild the carburetor, adjust valve lash, adjust or replace the b…

Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly…

Main causes: stale gas, clogged carburetor, clogged or broken fuel line, dirty spark plug, bad rewind starter, incorrect…

Main causes: dirty carburetor, stale fuel…

Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, …

Main causes: broken shear pins, worn or loose auger drive belt, auger drive cable failure, damaged auger, bad gear case…

Repair guides for gas snowblowers

These step-by-step repair guides will help you safely fix what’s broken on your snowblower.

How to adjust snowblower engine valve lash

How to adjust snowblower engine valve lash

Adjust the engine valve lash on your snowblower to keep the engine starting and running smoothly.…

Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower auger drive cable

How to replace a snowblower auger drive cable

A loose or snapped auger drive cable can prevent the auger from rotating. Follow this step-by-step guide to replace the …

Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower friction disc

How to replace a snowblower friction disc

The friction disc is one of the components of the drive system. If it's worn or damaged, the snowblower won't self-prope…

Repair difficulty
Time required
 15 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 snowblower.

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.…