Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Tips to find your model number
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 # 21B807-2453-B2 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 21B807-2453-B2 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 232 parts  |
Craftsman Lawn & Garden Equipment Engine Oil Filter (replaces 24603, 492932, 691041, 7045184yp, Bs-492932s) 492932S
#1027

Cylinder/sump diagram

Craftsman lawn & garden equipment engine oil filter (replaces 24603, 492932, 691041, 7045184yp, bs-492932s)

Part #492932S

BEST SELLER
$14.84 | 
12% OFF Phone Price : $16.84
In Stock
Lawn & Garden Equipment Engine Fuel Filter (replaces 2173206, 2173206sm, 394358, 692064, 7014359, 7014359yp, 75213, Bs-394358s) 394358S
#240

Controls/governor spring diagram

Lawn & garden equipment engine fuel filter (replaces 2173206, 2173206sm, 394358, 692064, 7014359, 7014359yp, 75213, bs-394358s)

Part #394358S

BEST SELLER
This item is not returnable
$6.47 | 
13% OFF Phone Price : $7.47
In Stock
Lawn & Garden Equipment Engine Exhaust Gasket (replaces 272293, 91309, Bs-692236) 692236
Lawn & garden equipment engine exhaust gasket (replaces 272293, 91309, bs-692236)

Part #692236

BEST SELLER
$6.76 | 
13% OFF Phone Price : $7.76
In Stock
Lawn & Garden Equipment Engine Crankcase Gasket 697110
Lawn & garden equipment engine crankcase gasket

Part #697110

BEST SELLER
$9.02 | 
10% OFF Phone Price : $10.02
In Stock
Lawn & Garden Equipment Engine Camshaft 793880
#46

Crankshaft/piston diagram

Lawn & garden equipment engine camshaft

Part #793880

Replaced by #84005207

?
Manufacturer substitution
This part replaces 793880. Substitute parts can look different from the original.
BEST SELLER
$83.28 | 
7% OFF Phone Price : $89.28
In Stock
Lawn & Garden Equipment Engine Oil Seal (replaces 791892, Bs-795387) 795387
Lawn & garden equipment engine oil seal (replaces 791892, bs-795387)

Part #795387

BEST SELLER
$9.02 | 
10% OFF Phone Price : $10.02
In Stock
Lawn & Garden Equipment Engine Flywheel Key (replaces 222698, 690974, Bs-222698s) 222698S
#24

Crankshaft/piston diagram

Lawn & garden equipment engine flywheel key (replaces 222698, 690974, bs-222698s)

Part #222698S

BEST SELLER
This item is not returnable
$3.29 | 
23% OFF Phone Price : $4.29
In Stock
Lawn & Garden Equipment Engine Fuel Shut-off Solenoid 699915
#947A

Carburetor diagram

Lawn & garden equipment engine fuel shut-off solenoid

Part #699915

Replaced by #596038

?
Manufacturer substitution
This part replaces 699915. Substitute parts can look different from the original.
BEST SELLER
$88.75 | 
6% OFF Phone Price : $94.75
In Stock
Lawn & Garden Equipment Engine Alternator 696459
#474B

Alternator/starter/ignition diagram

Lawn & garden equipment engine alternator

Part #696459

Replaced by #592831

?
Manufacturer substitution
This part replaces 696459. Substitute parts can look different from the original.
BEST SELLER
$101.70 | 
11% OFF Phone Price : $113.70
In Stock
Lawn & Garden Equipment Engine Breather Tube (replaces 697113, Bs-794683) 794683
#11

Cylinder/sump diagram

Lawn & garden equipment engine breather tube (replaces 697113, bs-794683)

Part #794683

This item is not returnable
$15.09 | 
12% OFF Phone Price : $17.09
In Stock

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

Symptoms for top-mount refrigerators

Why is there water in the bottom of the fridge under vegetable drawers?

Main causes: frozen or clogged defrost drain tube, cracked water system tubing…

Read more

Repair guides for top-mount refrigerators

How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace the compressor run capacitor in a top-freezer refrigerator

How to replace the compressor run capacitor in a top-freezer refrigerator

The run capacitor sends electric current to the compressor motor to help the motor run efficiently. Replace the run capa…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace the defrost thermistor in a top-freezer refrigerator

How to replace the defrost thermistor in a top-freezer refrigerator

The defrost thermistor attaches to the evaporator coil and measures the evaporator coil temperature during defrost.…

Read more
Repair difficulty
Time required
 15 minutes or less

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