Briggs & Stratton
Lawn & Garden Engine

Model # 31M777-0234-E1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 31M777-0234-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 187 parts  |

Filter 394358

#240

All parts diagram

Filter

Part #394358

Replaced by #394358S

?
Manufacturer substitution
This part replaces 394358. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$6.47 | 
13% OFF Phone Price : $7.47
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
$24.96 | 
19% OFF Phone Price : $30.96
In Stock
Gasket 272475

#1022

All parts diagram

Gasket

Part #272475

Replaced by #272475S

?
Manufacturer substitution
This part replaces 272475. Substitute parts can look different from the original.
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
Camshaft 698492

#46

All parts diagram

Camshaft

Part #698492

Replaced by #84005207

?
Manufacturer substitution
This part replaces 698492. Substitute parts can look different from the original.
BEST SELLER
$83.28 | 
7% OFF Phone Price : $89.28
In Stock
Cylinder Head 692410

#7

All parts diagram

Cylinder head

Part #692410

Replaced by #794114

?
Manufacturer substitution
This part replaces 692410. Substitute parts can look different from the original.
BEST SELLER
$25.24 | 
19% OFF Phone Price : $31.24
In Stock
Oil Seal 690947

#20

All parts diagram

Oil seal

Part #690947

Replaced by #795387

?
Manufacturer substitution
This part replaces 690947. Substitute parts can look different from the original.
BEST SELLER
$9.02 | 
10% OFF Phone Price : $10.02
In Stock
Armature 495859

#333

All parts diagram

Armature

Part #495859

Replaced by #591459

?
Manufacturer substitution
This part replaces 495859. Substitute parts can look different from the original.
BEST SELLER
$50.43 | 
11% OFF Phone Price : $56.43
In Stock
Key 222698

#24

All parts diagram

Key

Part #222698

Replaced by #222698S

?
Manufacturer substitution
This part replaces 222698. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$3.29 | 
23% OFF Phone Price : $4.29
In Stock
Kit-valve Ov 690190

#1095

All parts diagram

Kit-valve ov

Part #690190

Replaced by #794152

?
Manufacturer substitution
This part replaces 690190. Substitute parts can look different from the original.
BEST SELLER
$37.02 | 
14% OFF Phone Price : $43.02
In Stock

Repair guides for chest freezers

How to replace a freezer compressor start relay

How to replace a freezer compressor start relay

The compressor start relay starts the compressor. If the compressor won’t start, follow these steps to replace a defect…

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

How to replace a freezer temperature control thermostat

The cold control thermostat regulates the freezer temperature. A defective cold control thermostat can prevent the compr…

Repair difficulty
Time required
 15 minutes or less
How to replace a freezer lid gasket

How to replace a freezer lid gasket

The lid gasket prevents air and moisture from entering the freezer when the lid is closed. Follow these steps to replace…

Repair difficulty
Time required
 30 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.…