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 # 28N707-0121-01 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 28N707-0121-01 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 162 parts  |
Filter 394358

#240

All parts diagram

Filter

Part #394358

Replaced by #394358S

?
Manufacturer substitution
This part replaces 394358. Substitute parts can look different from the original.
BEST SELLER
$6.67 | 
13% OFF Phone Price : $7.67
In Stock
Gasket 272475

#1022

All parts diagram

Gasket

Part #272475

Replaced by #272475S

?
Manufacturer substitution
This part replaces 272475. Substitute parts can look different from the original.
BEST SELLER
$7.56 | 
12% OFF Phone Price : $8.56
In Stock
Air Filter 493909

#445

All parts diagram

Air filter

Part #493909

Replaced by #496894S

?
Manufacturer substitution
This part replaces 493909. Substitute parts can look different from the original.
BEST SELLER
$25.96 | 
19% OFF Phone Price : $31.96
In Stock
Lawn & Garden Equipment Engine Starter Motor (replaces 392744, 392749, 494325) 497595
#309

Repair parts diagram

Lawn & garden equipment engine starter motor (replaces 392744, 392749, 494325)

Part #497595

BEST SELLER
$107.23 | 
10% OFF Phone Price : $119.23
In Stock
Armature 495859

#333

All parts diagram

Armature

Part #495859

Replaced by #591459

?
Manufacturer substitution
This part replaces 495859. Substitute parts can look different from the original.
BEST SELLER
$50.43 | 
11% OFF Phone Price : $56.43
In Stock
Filter 272403

#535

All parts diagram

Filter

Part #272403

Replaced by #272403S

?
Manufacturer substitution
This part replaces 272403. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.30 | 
16% OFF Phone Price : $6.30
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
Rod 494432

#1026

All parts diagram

Rod

Part #494432

Replaced by #692003

?
Manufacturer substitution
This part replaces 494432. Substitute parts can look different from the original.
BEST SELLER
$9.84 | 
9% OFF Phone Price : $10.84
In Stock
Gear 494433

#46

All parts diagram

Gear

Part #494433

Replaced by #793880

?
Manufacturer substitution
This part replaces 494433. Substitute parts can look different from the original.
$101.67 | 
11% OFF Phone Price : $113.67
In Stock
Gear Box 490815

#219

All parts diagram

Gear box

Part #490815

Replaced by #691968

?
Manufacturer substitution
This part replaces 490815. Substitute parts can look different from the original.
$44.07 | 
12% OFF Phone Price : $50.07
In Stock

Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

View all

What should I do about a damaged snowblower tire?

Main causes: punctured tire, damaged rim…

Read more

Why does my snowblower stop running after a few seconds?

Main causes: dirty carburetor, stale fuel…

Read more

Why does my snowblower engine run rough?

Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…

Read more

Why won't my snowblower start?

Main causes: stale gas, clogged carburetor, clogged or broken fuel line, dirty spark plug, bad rewind starter, incorrect…

Read more

Why won't my snowblower chute turn?

Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly…

Read more

Why doesn't my snowblower self propel?

Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…

Read more

Why won't my snowblower throw snow far enough?

Main causes: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems…

Read more

Why doesn't my snowblower auger turn?

Main causes: broken shear pins, worn or loose auger drive belt, auger drive cable failure, damaged auger, bad gear case…

Read more

How do I tune up my snowblower?

Things to do: replace the spark plug, change the oil, rebuild the carburetor, adjust valve lash, adjust or replace the b…

Read more

Repair guides for gas snowblowers

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

View all
How to replace a snowblower fuel filter

How to replace a snowblower fuel filter

Replace the fuel filter on your snowblower if it's clogged or damaged.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower shave plate

How to replace a snowblower shave plate

Follow the 7 easy steps in this repair guide/video to replace a worn out shave plate on your snowblower.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower chute control gearbox assembly

How to replace a snowblower chute control gearbox assembly

Replace the chute control gearbox on your snowblower if it's stripped or damaged.…

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 snowblower.

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