Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Briggs & Stratton
Lawn & Garden Engine

Model # 331877-1234-B1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 331877-1234-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 173 parts  |
Lawn & Garden Equipment Engine Fuel Filter (replaces 2173206, 2173206sm, 394358, 692064, 7014359, 7014359yp, 75213, Bs-394358s) 394358S

#240

All parts 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 Pre-filter (replaces Bs-793685) 793685

#967

All parts diagram

Lawn & garden equipment engine pre-filter (replaces bs-793685)

Part #793685

BEST SELLER
This item is not returnable
$6.16 | 
14% OFF Phone Price : $7.16
In Stock
Carburetor 794136

#125

All parts diagram

Carburetor

Part #794136

Replaced by #594601

?
Manufacturer substitution
This part replaces 794136. Substitute parts can look different from the original.
BEST SELLER
$138.70 | 
8% OFF Phone Price : $150.70
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
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
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
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
Lawn & Garden Equipment Engine Flywheel Key (replaces 222698, 690974, Bs-222698s) 222698S

#24

All parts diagram

Lawn & garden equipment engine flywheel key (replaces 222698, 690974, bs-222698s)

Part #222698S

BEST SELLER
This item is not returnable
$3.29 | 
23% OFF Phone Price : $4.29
In Stock
Lawn & Garden Equipment Engine Gasket Set (replaces 690190) 794152

#1095

All parts diagram

Lawn & garden equipment engine gasket set (replaces 690190)

Part #794152

BEST SELLER
$38.17 | 
14% OFF Phone Price : $44.17
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

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

Repair guides for gas wall ovens

How to replace a temperature sensor on a gas wall oven

How to replace a temperature sensor on a gas wall oven

Follow these step-by-step instructions to replace a gas oven temperature sensor.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a gas wall oven igniter

How to replace a gas wall oven igniter

These step-by-step instructions guide you through replacing the igniter in a gas oven.…

Read more
Repair difficulty
Time required
 45 minutes or less

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

View all
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.…

Read more
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.…

Read more

Parts & More