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 # 21B900 (0015-0195) Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 21B900-0015-0195 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 308 parts  |
Lawn & Garden Equipment Engine Oil Filter (replaces 24603, 492932, 691041, 7045184yp, Bs-492932s) 492932S

#1027

All parts diagram

Lawn & garden equipment engine oil filter (replaces 24603, 492932, 691041, 7045184yp, bs-492932s)

Part #492932S

BEST SELLER
$14.84 | 
12% OFF Phone Price : $16.84
In Stock
Lawn & Garden Equipment Engine Fuel Filter (replaces 2173206, 2173206sm, 394358, 692064, 7014359, 7014359yp, 75213, Bs-394358s) 394358S

#240B

All parts diagram

Lawn & garden equipment engine fuel filter (replaces 2173206, 2173206sm, 394358, 692064, 7014359, 7014359yp, 75213, bs-394358s)

Part #394358S

BEST SELLER
$7.12 | 
12% OFF Phone Price : $8.12
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
$137.86 | 
7% OFF Phone Price : $147.86
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
$137.86 | 
7% OFF Phone Price : $147.86
In Stock
Lawn & Garden Equipment Engine Exhaust Gasket (replaces 272293, 91309, Bs-692236) 692236

#883

All parts diagram

Lawn & garden equipment engine exhaust gasket (replaces 272293, 91309, bs-692236)

Part #692236

BEST SELLER
$6.76 | 
13% OFF Phone Price : $7.76
In Stock
Lawn & Garden Equipment Engine Fuel Pump Assembly 808656

#387A

All parts 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
$31.32 | 
14% OFF Phone Price : $36.32
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 | 
9% OFF Phone Price : $55.43
In Stock
Carburetor 790023

#125A

All parts diagram

Carburetor

Part #790023

Replaced by #594605

?
Manufacturer substitution
This part replaces 790023. Substitute parts can look different from the original.
BEST SELLER
$138.14 | 
7% OFF Phone Price : $148.14
In Stock
Carburetor 698787

#121A

All parts diagram

Carburetor

Part #698787

Replaced by #796184

?
Manufacturer substitution
This part replaces 698787. Substitute parts can look different from the original.
BEST SELLER
$64.83 | 
7% OFF Phone Price : $69.83
In Stock

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

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