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 # 42A777-1298-01 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 42A777-1298-01 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 202 parts  |
Oil Filter 492932

#1027

All parts diagram

Oil filter

Part #492932

Replaced by #492932S

?
Manufacturer substitution
This part replaces 492932. Substitute parts can look different from the original.
BEST SELLER
$15.30
| 
12% OFF Phone Price : $17.30
In Stock
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
Cartridge 394019

#445

All parts diagram

Cartridge

Part #394019

Replaced by #394019S

?
Manufacturer substitution
This part replaces 394019. Substitute parts can look different from the original.
BEST SELLER
$27.42
| 
18% OFF Phone Price : $33.42
In Stock
Element 272490

#535

All parts diagram

Element

Part #272490

Replaced by #272490S

?
Manufacturer substitution
This part replaces 272490. Substitute parts can look different from the original.
BEST SELLER
$6.98
| 
13% OFF Phone Price : $7.98
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
Starter Gear 280104

#783

All parts diagram

Starter gear

Part #280104

Replaced by #695708

?
Manufacturer substitution
This part replaces 280104. Substitute parts can look different from the original.
BEST SELLER
$8.20
| 
11% OFF Phone Price : $9.20
In Stock
Lawn & Garden Equipment Engine Starter Motor (replaces 394674, 394808) 497596

#309

All parts diagram

Lawn & garden equipment engine starter motor (replaces 394674, 394808)

Part #497596

BEST SELLER
$110.89
| 
10% OFF Phone Price : $122.89
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
Elbow Spacer Plug 66538

#635

All parts diagram

Elbow spacer plug

Part #66538

Replaced by #66538S

?
Manufacturer substitution
This part replaces 66538. Substitute parts can look different from the original.
This item is not returnable
$5.11
| 
16% OFF Phone Price : $6.11
In Stock
Retainer 263080

#615B

All parts diagram

Retainer

Part #263080

Replaced by #691265

?
Manufacturer substitution
This part replaces 263080. Substitute parts can look different from the original.
This item is not returnable
$8.99
| 
10% OFF Phone Price : $9.99
In Stock

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