Briggs & Stratton
Lawn & Garden Engine

Model # 10A902-2121-E1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 10A902-2121-E1 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 128 parts  |

Starter Rope 281464

#58

All parts diagram

Starter rope

Part #281464

Replaced by #697316

?
Manufacturer substitution
This part replaces 281464. Substitute parts can look different from the original.
BEST SELLER
$7.50
12% OFF Phone Price : $8.50
In Stock
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
Retainer 281503

#456

All parts diagram

Retainer

Part #281503

Replaced by #692299

?
Manufacturer substitution
This part replaces 281503. Substitute parts can look different from the original.
This item is not returnable
$7.89
11% OFF Phone Price : $8.89
In Stock
Seal Int El 270344

#617

All parts diagram

Seal int el

Part #270344

Replaced by #270344S

?
Manufacturer substitution
This part replaces 270344. Substitute parts can look different from the original.
This item is not returnable
$4.91
17% OFF Phone Price : $5.91
In Stock
Terminal 493880

#851

All parts diagram

Terminal

Part #493880

Replaced by #493880S

?
Manufacturer substitution
This part replaces 493880. Substitute parts can look different from the original.
This item is not returnable
$4.75
17% OFF Phone Price : $5.75
In Stock
Spring 263073

#689

All parts diagram

Spring

Part #263073

Replaced by #691855

?
Manufacturer substitution
This part replaces 263073. Substitute parts can look different from the original.
This item is not returnable
$6.19
14% OFF Phone Price : $7.19
In Stock
Armature 496914

#333

All parts diagram

Armature

Part #496914

Replaced by #591420

?
Manufacturer substitution
This part replaces 496914. Substitute parts can look different from the original.
$67.99
8% OFF Phone Price : $73.99
In Stock
Fuel Cap 497929

#957

All parts diagram

Fuel cap

Part #497929

Replaced by #497929S

?
Manufacturer substitution
This part replaces 497929. Substitute parts can look different from the original.
This item is not returnable
$7.89
11% OFF Phone Price : $8.89
In Stock
Grip-str Rop 281101

#60

All parts diagram

Grip-str rop

Part #281101

Replaced by #691915

?
Manufacturer substitution
This part replaces 281101. Substitute parts can look different from the original.
This item is not returnable
$7.78
11% OFF Phone Price : $8.78
In Stock
Lawn & Garden Equipment Engine Oil Drain Plug (replaces 94720, 94880, Bs-691680) 691680

#15

All parts diagram

Lawn & garden equipment engine oil drain plug (replaces 94720, 94880, bs-691680)

Part #691680

$9.59
9% OFF Phone Price : $10.59
In Stock

Symptoms for electric water heaters

Main causes: excessive tank sediment, high voltage supply…

Main causes: thermostats need adjustment, bad heating elements, faulty thermostats, tank sediment build-up, broken dip t…

Repair guides for electric water heaters

How to replace a water heater element

How to replace a water heater element

If your water heater runs out of hot water quickly and one of the two heating elements has failed, replace the element f…

Repair difficulty
Time required
 30 minutes or less
How to replace an electric water heater anode rod

How to replace an electric water heater anode rod

If your hot water begins to smell like rotten eggs, replace the anode rod with a zinc-aluminum anode rod following the i…

Repair difficulty
Time required
 15 minutes or less
How to replace an electric water heater thermostat

How to replace an electric water heater thermostat

If the water temperature fluctuates or you don't get enough hot water, follow these instructions to replace your water h…

Repair difficulty
Time required
 30 minutes or less

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.…