Briggs & Stratton
Lawn & Garden Engine

Model # 9S502-1042-B1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 9S502-1042-B1 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 127 parts  |

Briggs And Stratton Plug-spark 796112S
#337

Cylinder/gasket sets diagram

Briggs and stratton plug-spark

Part #796112S

BEST SELLER
This item is not returnable
$5.24
16% OFF Phone Price : $6.24
In Stock
Lawn & Garden Equipment Engine Air Filter 698369
#535

Air cleaner/brake/controls diagram

Lawn & garden equipment engine air filter

Part #698369

BEST SELLER
$9.03
10% OFF Phone Price : $10.03
In Stock
Lawn & Garden Equipment Engine Recoil Starter Pawl (replaces 281505, 692260, Bs-281505s) 281505S
#459

Blower housing/starter/exhaust diagram

Lawn & garden equipment engine recoil starter pawl (replaces 281505, 692260, bs-281505s)

Part #281505S

This item is not returnable
$5.80
15% OFF Phone Price : $6.80
In Stock
Lawn & Garden Equipment Engine Recoil Starter Pawl Friction Plate (replaces 281503, Bs-692299) 692299
#456

Blower housing/starter/exhaust diagram

Lawn & garden equipment engine recoil starter pawl friction plate (replaces 281503, bs-692299)

Part #692299

This item is not returnable
$7.89
11% OFF Phone Price : $8.89
In Stock
Lawn & Garden Equipment Engine O-ring (replaces 270344, 692216) 270344S
#617

Carburetor/fuel supply diagram

Lawn & garden equipment engine o-ring (replaces 270344, 692216)

Part #270344S

This item is not returnable
$4.91
17% OFF Phone Price : $5.91
In Stock
Lawn & Garden Equipment Engine Hex Screw (replaces 690960, 692126, 697551, 94744, Bs-691108) 691108
#190A

Carburetor/fuel supply diagram

Lawn & garden equipment engine hex screw (replaces 690960, 692126, 697551, 94744, bs-691108)

Part #691108

This item is not returnable
$5.09
16% OFF Phone Price : $6.09
In Stock
Lawn & Garden Equipment Engine Carburetor Diaphragm 795083
#394

Carburetor/fuel supply diagram

Lawn & garden equipment engine carburetor diaphragm

Part #795083

This item is not returnable
$5.53
15% OFF Phone Price : $6.53
In Stock
Lawn & Garden Equipment Engine Spark Plug Wire Terminal (replaces 493880, 691234, Bs-493880s) 493880S
#851

Air cleaner/brake/controls diagram

Lawn & garden equipment engine spark plug wire terminal (replaces 493880, 691234, bs-493880s)

Part #493880S

This item is not returnable
$4.75
17% OFF Phone Price : $5.75
In Stock
Lawn & Garden Equipment Engine Hex Screw (replaces 555539, 94731, Bs-691061) 691061
#334

Air cleaner/brake/controls diagram

Lawn & garden equipment engine hex screw (replaces 555539, 94731, bs-691061)

Part #691061

This item is not returnable
$5.09
16% OFF Phone Price : $6.09
In Stock
Lawn & Garden Equipment Engine Recoil Starter Friction Spring (replaces 263073, Bs-691855) 691855
#689

Blower housing/starter/exhaust diagram

Lawn & garden equipment engine recoil starter friction spring (replaces 263073, bs-691855)

Part #691855

This item is not returnable
$6.19
14% OFF Phone Price : $7.19
In Stock

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

Main causes: faulty sensors, wiring failure, bad control console…

Main causes: bad control console, wiring failure, bad motor control board…

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

Repair guides for treadmills

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

How to replace a treadmill motor controller

How to replace a treadmill motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill walking belt

How to replace a treadmill walking belt

A worn walking belt will begin to slow down during use. If your treadmill walking belt is worn out, replace it using the…

Repair difficulty
Time required
 45 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

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 treadmill.

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.…