Briggs & Stratton
Lawn & Garden Engine

Model # 120302-0432-E1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 120302-0432-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 158 parts  |

Lawn & Garden Equipment Engine Air Filter 491588

#445

All parts 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
Fuel Line (red) 691050

#187

All parts diagram

Fuel line (red)

Part #691050

Replaced by #791766

?
Manufacturer substitution
This part replaces 691050. Substitute parts can look different from the original.
BEST SELLER
$9.59
9% OFF Phone Price : $10.59
In Stock
Lawn & Garden Equipment Engine Spark Plug (replaces Bs-691043) 691043

#337

All parts diagram

Lawn & garden equipment engine spark plug (replaces bs-691043)

Part #691043

BEST SELLER

Get free shipping with Automatic Reorder

$7.27
12% OFF Phone Price : $8.27
In Stock
Fuel Tank Cap 694261

#957

All parts diagram

Fuel tank cap

Part #694261

Replaced by #795027

?
Manufacturer substitution
This part replaces 694261. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$12.24
14% OFF Phone Price : $14.24
In Stock
Fuel Tank 694260

#972

All parts diagram

Fuel tank

Part #694260

Replaced by #799863

?
Manufacturer substitution
This part replaces 694260. Substitute parts can look different from the original.
BEST SELLER
$80.71
7% OFF Phone Price : $86.71
In Stock
Key 222698

#24

All parts diagram

Key

Part #222698

Replaced by #222698S

?
Manufacturer substitution
This part replaces 222698. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$3.29
23% OFF Phone Price : $4.29
In Stock
Pre-filter 493537

#967

All parts diagram

Pre-filter

Part #493537

Replaced by #493537S

?
Manufacturer substitution
This part replaces 493537. 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 Float Bowl Gasket (replaces 280492) 693981

#137

All parts diagram

Lawn & garden equipment engine carburetor float bowl gasket (replaces 280492)

Part #693981

BEST SELLER
This item is not returnable
$4.50
18% OFF Phone Price : $5.50
In Stock
Lawn & Garden Equipment Engine Carburetor Needle Valve (replaces 281144, 281178, Bs-398188) 398188

#134

All parts diagram

Lawn & garden equipment engine carburetor needle valve (replaces 281144, 281178, bs-398188)

Part #398188

This item is not returnable
$8.13
11% OFF Phone Price : $9.13
In Stock
Pawl 281505

#459

All parts diagram

Pawl

Part #281505

Replaced by #281505S

?
Manufacturer substitution
This part replaces 281505. Substitute parts can look different from the original.
This item is not returnable
$5.80
15% OFF Phone Price : $6.80
In Stock

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower blade

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair difficulty
Time required
 45 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 walk-behind lawn mower.

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.…