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 # 121700 TO 121799 (0115-0237) Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 121700-TO-121799-0115-0237 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  |
Lawn & Garden Equipment Engine Air Filter 491588
#967

Filter/base - air cleaner diagram

Lawn & garden equipment engine air filter

Part #491588

Replaced by #491588S

?
Manufacturer substitution
This part replaces 491588. Substitute parts can look different from the original.
BEST SELLER

Get free shipping with Automatic Reorder

$9.24 | 
10% OFF Phone Price : $10.24
In Stock
Carburetor Primer 496115
#387

Filter/base - air cleaner diagram

Carburetor primer

Part #496115

Replaced by #694395

?
Manufacturer substitution
This part replaces 496115. 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
Carburetor 492495
#121A

Gasket set/carburetor kit diagram

Carburetor

Part #492495

Replaced by #498260

?
Manufacturer substitution
This part replaces 492495. Substitute parts can look different from the original.
BEST SELLER
$24.53 | 
20% OFF Phone Price : $30.53
In Stock
Carburetor Kit 493762
#121

Gasket set/carburetor kit diagram

Carburetor kit

Part #493762

Replaced by #498260

?
Manufacturer substitution
This part replaces 493762. Substitute parts can look different from the original.
BEST SELLER
$24.53 | 
20% OFF Phone Price : $30.53
In Stock
Carburetor 490937
#977

Gasket set/carburetor kit diagram

Carburetor

Part #490937

Replaced by #498260

?
Manufacturer substitution
This part replaces 490937. Substitute parts can look different from the original.
BEST SELLER
$24.53 | 
20% OFF Phone Price : $30.53
In Stock
Fuel Pipe 492790
#187

Seal, o-ring/lin-fuel diagram

Fuel pipe

Part #492790

Replaced by #791766

?
Manufacturer substitution
This part replaces 492790. Substitute parts can look different from the original.
BEST SELLER
$9.59 | 
9% OFF Phone Price : $10.59
In Stock
Spark Plug 492167
#337C

Cylinder/intake - manifold diagram

Spark plug

Part #492167

Replaced by #J19LM

?
Manufacturer substitution
This part replaces 492167. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$4.80 | 
17% OFF Phone Price : $5.80
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
Oil Cap 495264
#523

Seal, o-ring/lin-fuel diagram

Oil cap

Part #495264

Replaced by #499621

?
Manufacturer substitution
This part replaces 495264. Substitute parts can look different from the original.
This item is not returnable
$24.80 | 
19% OFF Phone Price : $30.80
In Stock
Oil Fill Cap 493950
#523A

Seal, o-ring/lin-fuel diagram

Oil fill cap

Part #493950

Replaced by #499621

?
Manufacturer substitution
This part replaces 493950. Substitute parts can look different from the original.
This item is not returnable
$24.80 | 
19% OFF Phone Price : $30.80
In Stock

Symptoms for elliptical machines

Choose a symptom to see related elliptical repairs.

View all

Why does my elliptical rock?

Main causes: leveling feet need to be adjusted, loose frame bolts, unstable flooring…

Read more

Why won't my elliptical's console turn on?

Main causes: dead batteries, power supply failure, bad wiring connections, faulty control console…

Read more

How do I tighten elliptical handle bars?

Main causes: loose fastening bolts, damaged handle bars…

Read more

Why is my elliptical's console display dim?

Main causes: weak batteries, loose wires, faulty control console…

Read more

Why won't my elliptical's pedal resistance change?

Main causes: bad resistance motor, faulty control console, wiring failure…

Read more

Why does my elliptical display the wrong speed?

Main causes: faulty reed switch, reed switch needs adjustment, wiring failure, bad control console…

Read more

Why does my elliptical make squeaking noises?

Main cause: lack of lubrication on pivot points…

Read more

Why can't my elliptical detect my heart rate?

Main causes: dirty heart rate sensors, wiring failure, bad control console…

Read more

Repair guides for elliptical machines

These step-by-step repair guides will help you safely fix what’s broken on your elliptical.

View all
How to replace an elliptical resistance motor

How to replace an elliptical resistance motor

If the resistance motor is not changing the resistance on your elliptical, replace it using these steps.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to adjust an elliptical reed switch

How to adjust an elliptical reed switch

If the console doesn't display the correct speed on your elliptical, adjust the reed switch using these steps.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace an elliptical console

How to replace an elliptical console

If the console on your elliptical doesn't work, replace it by following these 3 easy steps.…

Read more
Repair difficulty
Time required
 15 minutes or less

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

Use the advice and tips in these articles and videos to get the most out of your elliptical.

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