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 # 12H802-1571-21 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 12H802-1571-21 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 36 parts  |
Lawn & Garden Equipment Engine Carburetor Rebuild Kit (replaces 493762, 498261) 498260

#121

All parts diagram

Lawn & garden equipment engine carburetor rebuild kit (replaces 493762, 498261)

Part #498260

BEST SELLER
$24.53 | 
20% OFF Phone Price : $30.53
In Stock
Lawn & Garden Equipment Engine Ignition Coil 802574

#333

All parts diagram

Lawn & garden equipment engine ignition coil

Part #802574

Replaced by #590454

?
Manufacturer substitution
This part replaces 802574. Substitute parts can look different from the original.
BEST SELLER
$53.78 | 
10% OFF Phone Price : $59.78
In Stock
Lawn & Garden Equipment Engine Recoil Starter Pulley (replaces 263074, 281504, Bs-498144) 498144

#56

All parts diagram

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

Part #498144

BEST SELLER
$23.76 | 
20% OFF Phone Price : $29.76
In Stock
Lawn & Garden Equipment Engine Recoil Starter (replaces Bs-497680) 497680

#608

All parts diagram

Lawn & garden equipment engine recoil starter (replaces bs-497680)

Part #497680

BEST SELLER
$93.54 | 
6% OFF Phone Price : $99.54
In Stock
Lawn & Garden Equipment Engine Carburetor Float (replaces Bs-398187) 398187

#133

All parts diagram

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
Lawn & Garden Equipment Engine Stop Wire 398808

#356

All parts diagram

Lawn & garden equipment engine stop wire

Part #398808

This item is not returnable
$19.69 | 
9% OFF Phone Price : $21.69
In Stock
Breather Gasket 272238

#9A

All parts diagram

Breather gasket

Part #272238

Replaced by #691879

?
Manufacturer substitution
This part replaces 272238. Substitute parts can look different from the original.
This item is not returnable
$12.60
In Stock
Lawn & Garden Equipment Engine Throttle Shaft 493267

#131

All parts diagram

Lawn & garden equipment engine throttle shaft

Part #493267

$24.02
In Stock
Lawn & Garden Equipment Engine Flywheel Puller, Small (replaces Bs-19069) 19069

#363

All parts diagram

Lawn & garden equipment engine flywheel puller, small (replaces bs-19069)

Part #19069

This item is not returnable
$32.39 | 
16% OFF Phone Price : $38.39
In Stock
Lawn & Garden Equipment Engine Oil Sump (replaces 499619) 493279

#18

All parts diagram

Lawn & garden equipment engine oil sump (replaces 499619)

Part #493279

$143.09 | 
8% OFF Phone Price : $155.09
In Stock

Symptoms for top-mount refrigerators

Why is there water in the bottom of the fridge under vegetable drawers?

Main causes: frozen or clogged defrost drain tube, cracked water system tubing…

Read more

Repair guides for top-mount refrigerators

How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace the compressor run capacitor in a top-freezer refrigerator

How to replace the compressor run capacitor in a top-freezer refrigerator

The run capacitor sends electric current to the compressor motor to help the motor run efficiently. Replace the run capa…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace the defrost thermistor in a top-freezer refrigerator

How to replace the defrost thermistor in a top-freezer refrigerator

The defrost thermistor attaches to the evaporator coil and measures the evaporator coil temperature during defrost.…

Read more
Repair difficulty
Time required
 15 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