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 # 12S905-2732-B1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 12S905-2732-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 125 parts  |
Lawn & Garden Equipment Engine Fuel Tank Cap (replaces 397974, 494277, 692041, 692046, 699985, 793606, Bs-692046, Bs-796577) 796577

#957

All parts diagram

Lawn & garden equipment engine fuel tank cap (replaces 397974, 494277, 692041, 692046, 699985, 793606, bs-692046, bs-796577)

Part #796577

BEST SELLER
$20.69 | 
22% OFF Phone Price : $26.69
In Stock
Lawn & Garden Equipment Engine Spark Plug 692051

#337

All parts diagram

Lawn & garden equipment engine spark plug

Part #692051

BEST SELLER
$8.59 | 
10% OFF Phone Price : $9.59
In Stock
Grip-starter Rope 795426

#60

All parts diagram

Grip-starter rope

Part #795426

Replaced by #281434S

?
Manufacturer substitution
This part replaces 795426. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$6.34 | 
14% OFF Phone Price : $7.34
In Stock
Lawn & Garden Equipment Engine Carburetor Float (replaces Bs-398187) 398187

#133

All parts diagram

Lawn & garden equipment engine carburetor float (replaces bs-398187)

Part #398187

This item is not returnable
$11.96 | 
14% OFF Phone Price : $13.96
In Stock
Lawn & Garden Equipment Engine Washer 271716

#276

All parts diagram

Lawn & garden equipment engine washer

Part #271716

This item is not returnable
$6.19 | 
14% OFF Phone Price : $7.19
In Stock
Lawn & Garden Equipment Engine Air Filter Collar Gasket (replaces 273364, Bs-691894) 691894

#163

All parts diagram

Lawn & garden equipment engine air filter collar gasket (replaces 273364, bs-691894)

Part #691894

This item is not returnable
$6.89 | 
13% OFF Phone Price : $7.89
In Stock
Lawn & Garden Equipment Engine Ignition Coil 796499

#333

All parts diagram

Lawn & garden equipment engine ignition coil

Part #796499

Replaced by #595554

?
Manufacturer substitution
This part replaces 796499. Substitute parts can look different from the original.
$56.79 | 
10% OFF Phone Price : $62.79
In Stock
Lawn & Garden Equipment Engine Air Filter 796254

#445A

All parts diagram

Lawn & garden equipment engine air filter

Part #796254

This item is not returnable
$11.29 | 
15% OFF Phone Price : $13.29
In Stock
Lawn & Garden Equipment Engine Crankshaft Oil Seal (replaces 399781, 691989, Bs-399781s) 399781S

#20

All parts diagram

Lawn & garden equipment engine crankshaft oil seal (replaces 399781, 691989, bs-399781s)

Part #399781S

This item is not returnable
$11.11 | 
15% OFF Phone Price : $13.11
In Stock
Lawn & Garden Equipment Engine Governor Spring 796484

#209

All parts diagram

Lawn & garden equipment engine governor spring

Part #796484

This item is not returnable
$11.89 | 
14% OFF Phone Price : $13.89
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 door gasket in a top-freezer refrigerator

How to replace a door gasket in a top-freezer refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. It’s easy to replace a worn …

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace the electronic control board inside a top-freezer refrigerator

How to replace the electronic control board inside a top-freezer refrigerator

The electronic control board is the "brains" of the refrigerator. Replace the electronic control board if it fails.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to install an ice maker kit in a top-freezer refrigerator

How to install an ice maker kit in a top-freezer refrigerator

The ice maker kit is an optional accessory for refrigerators. Install the ice maker kit in a refrigerator that doesn't h…

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