Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Tips to find your model number
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 # 121700 TO 121799 (0416,0418,0419) Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 121700-TO-121799-041604180419 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 291 parts  |
Spark Plug 293918
#337B

Cylinder/intake - manifold diagram

Spark plug

Part #293918

Replaced by #796112S

?
Manufacturer substitution
This part replaces 293918. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.24 | 
16% OFF Phone Price : $6.24
In Stock
Spark Plug 298809
#337

Cylinder/intake - manifold diagram

Spark plug

Part #298809

Replaced by #796112S

?
Manufacturer substitution
This part replaces 298809. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.24 | 
16% OFF Phone Price : $6.24
In Stock
Fuel Tank Cap 494277
#957B

Seal, o-ring/lin-fuel diagram

Fuel tank cap

Part #494277

Replaced by #796577

?
Manufacturer substitution
This part replaces 494277. Substitute parts can look different from the original.
BEST SELLER
$20.69 | 
22% OFF Phone Price : $26.69
In Stock
Fuel Cap 397974
#957

Seal, o-ring/lin-fuel diagram

Fuel cap

Part #397974

Replaced by #796577

?
Manufacturer substitution
This part replaces 397974. Substitute parts can look different from the original.
BEST SELLER
$20.69 | 
22% OFF Phone Price : $26.69
In Stock
Fuel Tank Cap 493017
#957A

Seal, o-ring/lin-fuel diagram

Fuel tank cap

Part #493017

Replaced by #796577

?
Manufacturer substitution
This part replaces 493017. Substitute parts can look different from the original.
BEST SELLER
$20.69 | 
22% OFF Phone Price : $26.69
In Stock
Air Cleaner Gasket 272653
Air cleaner gasket

Part #272653

Replaced by #795629

?
Manufacturer substitution
This part replaces 272653. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$4.51 | 
18% OFF Phone Price : $5.51
In Stock
Lawn & Garden Equipment Engine Carburetor Float (replaces Bs-398187) 398187
Lawn & garden equipment engine carburetor float (replaces bs-398187)

Part #398187

This item is not returnable
$11.96 | 
14% OFF Phone Price : $13.96
In Stock
Muffler 490547
#300

Gasket-muffler diagram

Muffler

Part #490547

Replaced by #692038

?
Manufacturer substitution
This part replaces 490547. Substitute parts can look different from the original.
$44.59 | 
12% OFF Phone Price : $50.59
In Stock
Fuel Valve 494539
#958A

Seal, o-ring/lin-fuel diagram

Fuel valve

Part #494539

Replaced by #698180

?
Manufacturer substitution
This part replaces 494539. Substitute parts can look different from the original.
This item is not returnable
$19.94 | 
9% OFF Phone Price : $21.94
In Stock
Seal Int El 270344
Seal int el

Part #270344

Replaced by #270344S

?
Manufacturer substitution
This part replaces 270344. Substitute parts can look different from the original.
This item is not returnable
$4.91 | 
17% OFF Phone Price : $5.91
In Stock

Repair guides for electric wall ovens

How to replace a wall oven broil element

How to replace a wall oven broil element

Follow these step-by-step instructions to replace the broiler element in an electric oven.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a temperature sensor on an electric wall oven

How to replace a temperature sensor on an electric wall oven

These step-by-step instructions guide you through replacing a temperature sensing probe on an electric wall oven.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a wall oven hidden bake element

How to replace a wall oven hidden bake element

These step-by-step instructions guide you through replacing the hidden bake element.…

Read more
Repair difficulty
Time required
 30 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