Briggs & Stratton
Lawn & Garden Engine

Model # 320420 TO 320428 (0010 - 0028) Official Briggs & Stratton gas engine

Here are the diagrams and repair parts for Official Briggs & Stratton 320420-TO-320428-0010-0028 gas 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 279 parts  |

Plug Oil Fil 66768

#21

All parts diagram

Plug oil fil

Part #66768

Replaced by #281658S

?
Manufacturer substitution
This part replaces 66768. Substitute parts can look different from the original.
This item is not returnable
$5.79
15% OFF Phone Price : $6.79
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

The manufacturer no longer makes this part, and there's no substitute part

Gas Vlv Cvr 27803

#9

All parts diagram

Gas vlv cvr

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
Sprg-ex/vlv 26828
Sprg-ex/vlv

Part #26828

Replaced by #691597

?
Manufacturer substitution
This part replaces 26828. Substitute parts can look different from the original.
In Stock
Wire Ground 295413

#356

All parts diagram

Wire ground

Part #295413

Replaced by #398808

?
Manufacturer substitution
This part replaces 295413. Substitute parts can look different from the original.
This item is not returnable
$19.69
9% OFF Phone Price : $21.69
In Stock
Lead Primary 298141

#640

All parts diagram

Lead primary

Part #298141

Replaced by #398808

?
Manufacturer substitution
This part replaces 298141. Substitute parts can look different from the original.
This item is not returnable
$19.69
9% OFF Phone Price : $21.69
In Stock
Wire Assembly 298581

#827

All parts diagram

Wire assembly

Part #298581

Replaced by #398808

?
Manufacturer substitution
This part replaces 298581. Substitute parts can look different from the original.
This item is not returnable
$19.69
9% OFF Phone Price : $21.69
In Stock
Pulley Key 91540

#357

All parts diagram

Pulley key

Part #91540

Replaced by #691483

?
Manufacturer substitution
This part replaces 91540. Substitute parts can look different from the original.
In Stock
Seal Plunger 68768

#722

All parts diagram

Seal plunger

Part #68768

Replaced by #68768

?
Manufacturer substitution
This part replaces 68768. Substitute parts can look different from the original.
In Stock

Symptoms for upright vacuums

Main causes: dirty sensor eyes, bad dirt sensor control board…

Main causes: wiring failure, faulty dirt sensor control board…

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.…