Briggs & Stratton
Lawn & Garden Engine

Model # 31P977-0635-E1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 31P977-0635-E1 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 167 parts  |

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

#1027

All parts 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

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
$141.49
8% OFF Phone Price : $153.49
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
$141.49
8% OFF Phone Price : $153.49
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
Magneto 492341

#333

All parts diagram

Magneto

Part #492341

Replaced by #591459

?
Manufacturer substitution
This part replaces 492341. Substitute parts can look different from the original.
BEST SELLER
$50.43
11% OFF Phone Price : $56.43
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
Lawn & Garden Equipment Engine Intake Valve Push Rod (replaces 494432) 692003

#1026

All parts 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 Exhaust Valve Push Rod (replaces 495136) 692011

#1026A

All parts 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
Engine 331877-0036-E1

#1329

All parts diagram

Engine

Part #331877-0036-E1

Replaced by #33S877-0019-G1

?
Manufacturer substitution
This part replaces 331877-0036-E1. Substitute parts can look different from the original.
BEST SELLER
$1188.16
$12.00 OFF Phone Price : $1200.16
In Stock

Repair guides for front-engine lawn tractors

How to replace a blade clutch cable on a riding lawn mower

How to replace a blade clutch cable on a riding lawn mower

If the blades don't spin on your riding mower when you shift the lever, the blade clutch cable could be broken. Here’s h…

Repair difficulty
Time required
 30 minutes or less
How to replace a riding lawn mower blade drive belt

How to replace a riding lawn mower blade drive belt

Replace the blade drive belt if it's broken or won't spin the cutting blades because of wear.…

Repair difficulty
Time required
 45 minutes or less
How to replace a riding lawn mower front tire

How to replace a riding lawn mower front tire

Get your mower moving again by using these instructions when replacing a damaged front tire.…

Repair difficulty
Time required
 60 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.…