Briggs & Stratton
Lawn & Garden Engine

Model # 121432-0112-E1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 121432-0112-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 150 parts  |

Filter 691710
#535

Fuel tank diagram

Filter

Part #691710

Replaced by #491588S

?
Manufacturer substitution
This part replaces 691710. Substitute parts can look different from the original.
BEST SELLER

Get free shipping with Automatic Reorder

$7.78
11% OFF Phone Price : $8.78
In Stock
Fuel Line 298049
#187

Fuel tank diagram

Fuel line

Part #298049

Replaced by #791766

?
Manufacturer substitution
This part replaces 298049. Substitute parts can look different from the original.
BEST SELLER
$9.31
10% OFF Phone Price : $10.31
In Stock
Bowl 493640
#975

Carburetor assembly diagram

Bowl

Part #493640

Replaced by #796611

?
Manufacturer substitution
This part replaces 493640. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$8.24
11% OFF Phone Price : $9.24
In Stock
Lawn & Garden Equipment Engine Recoil Starter Pulley (replaces 263074, 281504, Bs-498144) 498144
#56

Rewind starter diagram

Lawn & garden equipment engine recoil starter pulley (replaces 263074, 281504, bs-498144)

Part #498144

BEST SELLER
$23.76
17% OFF Phone Price : $28.76
In Stock
Camshaft 699024
#131

Carburetor assembly diagram

Camshaft

Part #699024

Replaced by #84005207

?
Manufacturer substitution
This part replaces 699024. Substitute parts can look different from the original.
BEST SELLER
$92.18
5% OFF Phone Price : $97.18
In Stock
Flywheel Key 690974
#24

Crankshaft and piston diagram

Flywheel key

Part #690974

Replaced by #222698S

?
Manufacturer substitution
This part replaces 690974. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
In Stock
Lawn & Garden Equipment Engine Carburetor Fuel Inlet Fitting (replaces 493496, Bs-692317) 692317
#186

Carburetor assembly diagram

Lawn & garden equipment engine carburetor fuel inlet fitting (replaces 493496, bs-692317)

Part #692317

BEST SELLER
$8.02
11% OFF Phone Price : $9.02
In Stock
Pre-filter 691706
#967

Fuel tank diagram

Pre-filter

Part #691706

Replaced by #493537S

?
Manufacturer substitution
This part replaces 691706. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$11.11
15% OFF Phone Price : $13.11
In Stock
Lawn & Garden Equipment Engine Carburetor Needle Valve (replaces 281144, 281178, Bs-398188) 398188
Lawn & garden equipment engine carburetor needle valve (replaces 281144, 281178, bs-398188)

Part #398188

BEST SELLER
This item is not returnable
$8.13
11% OFF Phone Price : $9.13
In Stock
Gasket 690033
#977

Gasket set/valve overhaul/carburetor kit diagram

Gasket

Part #690033

Replaced by #695157

?
Manufacturer substitution
This part replaces 690033. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$25.82
16% OFF Phone Price : $30.82
In Stock

Symptoms for gas cooktops

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure, lack of …

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, burner valve failure…

Main causes: stuck burner igniter switch, wet igniter switch contacts, faulty spark module…

Repair guides for gas cooktops

How to replace a spark igniter switch on a gas cooktop

How to replace a spark igniter switch on a gas cooktop

Follow these step-by-step instructions to fix the surface burner ignition system on your gas cooktop by replacing the sp…

Repair difficulty
Time required
 45 minutes or less
How to replace a spark module on a gas cooktop

How to replace a spark module on a gas cooktop

No flame on your gas cooktop? Installing a new spark module could be the fix you need.…

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.…