Briggs & Stratton
Lawn & Garden Engine

Model # 422437-1278-01 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 422437-1278-01 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 176 parts  |

Element 271271

#535

All parts diagram

Element

Part #271271

Replaced by #272490S

?
Manufacturer substitution
This part replaces 271271. Substitute parts can look different from the original.
BEST SELLER
$6.98
13% OFF Phone Price : $7.98
In Stock
Carburetor 491539

#121

All parts diagram

Carburetor

Part #491539

Replaced by #694056

?
Manufacturer substitution
This part replaces 491539. Substitute parts can look different from the original.
BEST SELLER
$36.07
14% OFF Phone Price : $42.07
In Stock
Armature 394891

#333

All parts diagram

Armature

Part #394891

Replaced by #590781

?
Manufacturer substitution
This part replaces 394891. Substitute parts can look different from the original.
$68.78
8% OFF Phone Price : $74.78
In Stock
Gear 394348

#219

All parts diagram

Gear

Part #394348

Replaced by #793338

?
Manufacturer substitution
This part replaces 394348. Substitute parts can look different from the original.
$31.42
16% OFF Phone Price : $37.42
In Stock
Terminal Cable 221798

#851

All parts diagram

Terminal cable

Part #221798

Replaced by #493880S

?
Manufacturer substitution
This part replaces 221798. Substitute parts can look different from the original.
This item is not returnable
$4.75
17% OFF Phone Price : $5.75
In Stock
Oil Seal 68838

#524

All parts diagram

Oil seal

Part #68838

Replaced by #281370S

?
Manufacturer substitution
This part replaces 68838. Substitute parts can look different from the original.
This item is not returnable
$11.80
14% OFF Phone Price : $13.80
In Stock
Clamp 93053

#601

All parts diagram

Clamp

Part #93053

Replaced by #791850

?
Manufacturer substitution
This part replaces 93053. Substitute parts can look different from the original.
This item is not returnable
$4.74
17% OFF Phone Price : $5.74
In Stock
Gas Valve Cover 27803

#9

All parts diagram

Gas valve cover

Part #27803

Replaced by #27803S

?
Manufacturer substitution
This part replaces 27803. Substitute parts can look different from the original.
This item is not returnable
$5.80
15% OFF Phone Price : $6.80
In Stock
Stator 392595

#474

All parts diagram

Stator

Part #392595

Replaced by #592829

?
Manufacturer substitution
This part replaces 392595. Substitute parts can look different from the original.
$139.99
8% OFF Phone Price : $151.99
In Stock
Oil Seal 291675

#20

All parts diagram

Oil seal

Part #291675

Replaced by #291675S

?
Manufacturer substitution
This part replaces 291675. Substitute parts can look different from the original.
This item is not returnable
$10.09
17% OFF Phone Price : $12.09
In Stock

Repair guides for bottom-mount refrigerators

How to replace a flipper mullion on a French-door refrigerator

How to replace a flipper mullion on a French-door refrigerator

If the flipper mullion breaks or its heater quits working, replace it in 15 minutes using these 4 easy steps.…

Repair difficulty
Time required
 15 minutes or less
How to replace a door gasket in a French-door refrigerator

How to replace a door gasket in a French-door refrigerator

The door gasket, often called a door seal, seals the gap around the door to keep the cold air in and the warm air out. R…

Repair difficulty
Time required
 15 minutes or less
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…

Repair difficulty
Time required
 15 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.…