Briggs & Stratton
Lawn & Garden Engine

Model # 445577-1187-B1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 445577-1187-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 256 parts  |

Briggs & Stratton Lawn And Garden Equipment Engine Oil Filter (replaces 697547, 795890, Bs- 696854
#1027

Engine sump/lubrication diagram

Briggs & stratton lawn and garden equipment engine oil filter (replaces 697547, 795890, bs-

Part #696854

BEST SELLER
$18.47
10% OFF Phone Price : $20.47
In Stock
Lawn & Garden Equipment Engine Air Filter (replaces 499486, 691007, 698754, Bs-698754) 499486S
#445

Air cleaner/blower housing diagram

Lawn & garden equipment engine air filter (replaces 499486, 691007, 698754, bs-698754)

Part #499486S

BEST SELLER
$20.48
23% OFF Phone Price : $26.48
In Stock
Lawn & Garden Equipment Engine Fuel Pump Assembly 808656
#387

Alternator/starter/fuel supply diagram

Lawn & garden equipment engine fuel pump assembly

Part #808656

Replaced by #597338

?
Manufacturer substitution
This part replaces 808656. Substitute parts can look different from the original.
BEST SELLER
$30.26
17% OFF Phone Price : $36.26
In Stock
Lawn & Garden Equipment Engine Starter Motor (replaces 392744, 392749, 494325) 497595
#309

Alternator/starter/fuel supply diagram

Lawn & garden equipment engine starter motor (replaces 392744, 392749, 494325)

Part #497595

BEST SELLER
$105.80
10% OFF Phone Price : $117.80
In Stock
Lawn & Garden Equipment Engine Starter Pinion Gear (replaces 693058, 693059, 75264) 695708
#783

Alternator/starter/fuel supply diagram

Lawn & garden equipment engine starter pinion gear (replaces 693058, 693059, 75264)

Part #695708

BEST SELLER
$8.20
11% OFF Phone Price : $9.20
In Stock
Vacuum Hose 797408
#918AB

Cylinder head/gasket set diagram

Vacuum hose

Part #797408

Replaced by #596163

?
Manufacturer substitution
This part replaces 797408. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$11.78
15% OFF Phone Price : $13.78
In Stock
Lawn & Garden Equipment Engine Rocker Arm Cover Gasket (replaces 273486) 690971
Lawn & garden equipment engine rocker arm cover gasket (replaces 273486)

Part #690971

BEST SELLER
$9.02
10% OFF Phone Price : $10.02
In Stock
Lawn & Garden Equipment Engine Alternator 696459
#474B

Alternator/starter/fuel supply 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 Crankcase Gasket 697227
Lawn & garden equipment engine crankcase gasket

Part #697227

Replaced by #594195

?
Manufacturer substitution
This part replaces 697227. Substitute parts can look different from the original.
$56.79
10% OFF Phone Price : $62.79
In Stock
Lawn & Garden Equipment Engine Cylinder Head 796231
#5

Cylinder head/gasket set diagram

Lawn & garden equipment engine cylinder head

Part #796231

Replaced by #84001918

?
Manufacturer substitution
This part replaces 796231. Substitute parts can look different from the original.
$219.50
5% OFF Phone Price : $231.50
In Stock

Symptoms for upright freezers

Main causes: clogged or frozen defrost drain tube…

Repair guides for upright freezers

How to replace a freezer control panel

How to replace a freezer control panel

A freezer control panel that doesn’t show the temperature or respond when you press the buttons could be broken. This DI…

Repair difficulty
Time required
 15 minutes or less
How to replace a freezer door switch

How to replace a freezer door switch

When the door switch fails, the freezer can’t detect that the door is closed. Follow the steps in this repair guide to r…

Repair difficulty
Time required
 15 minutes or less
How to replace a freezer thermistor

How to replace a freezer thermistor

When the thermistor can’t sense the freezer temperature, the freezer is colder or warmer than the set temperature. Follo…

Repair difficulty
Time required
 45 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.…