Briggs & Stratton
Lawn & Garden Engine

Model # 100202 TO 100299 (0010 - 0070) Official Briggs & Stratton gas engine

Here are the diagrams and repair parts for Official Briggs & Stratton 100202-TO-100299-0010-0070 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 229 parts  |

Breather Grommet 67838

#529

All parts diagram

Breather grommet

Part #67838

Replaced by #692189

?
Manufacturer substitution
This part replaces 67838. Substitute parts can look different from the original.
This item is not returnable
$7.59
12% OFF Phone Price : $8.59
In Stock
Oil Filter Plug 66768

#21

All parts diagram

Oil filter plug

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
Governor Spring 260695

#209

All parts diagram

Governor spring

Part #260695

Replaced by #796260

?
Manufacturer substitution
This part replaces 260695. Substitute parts can look different from the original.
This item is not returnable
$8.09
11% OFF Phone Price : $9.09
In Stock
Lawn & Garden Equipment Engine Carburetor Diaphragm 270026

#394

All parts diagram

Lawn & garden equipment engine carburetor diaphragm

Part #270026

This item is not returnable
$5.66
15% OFF Phone Price : $6.66
In Stock
Screw 93705

#346

All parts diagram

Screw

Part #93705

Replaced by #690661

?
Manufacturer substitution
This part replaces 93705. Substitute parts can look different from the original.
This item is not returnable
$5.09
16% OFF Phone Price : $6.09
In Stock
Cotter Pin 93306

#614

All parts diagram

Cotter pin

Part #93306

Replaced by #691620

?
Manufacturer substitution
This part replaces 93306. Substitute parts can look different from the original.
This item is not returnable
$7.39
12% OFF Phone Price : $8.39
In Stock
Breather Valve 294178

#8

All parts diagram

Breather valve

Part #294178

Replaced by #791779

?
Manufacturer substitution
This part replaces 294178. Substitute parts can look different from the original.
This item is not returnable
$22.39
21% OFF Phone Price : $28.39
In Stock
Cylinder Head Screw 93368

#13

All parts diagram

Cylinder head screw

Part #93368

Replaced by #691640

?
Manufacturer substitution
This part replaces 93368. Substitute parts can look different from the original.
This item is not returnable
In Stock
Ratchet Str 298436

#70

All parts diagram

Ratchet str

Part #298436

Replaced by #691945

?
Manufacturer substitution
This part replaces 298436. Substitute parts can look different from the original.
In Stock
Cylinder Head Gasket 270383

#7

All parts diagram

Cylinder head gasket

Part #270383

Replaced by #272157S

?
Manufacturer substitution
This part replaces 270383. Substitute parts can look different from the original.
This item is not returnable
$9.80
10% OFF Was : $10.89
In Stock

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up...

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade...

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key...

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel...

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba...

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent...

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks....

Repair difficulty
Time required
60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope....

Repair difficulty
Time required
15 minutes or less
How to replace a lawn mower wheel

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix....

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 walk-behind lawn mower.

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....