Briggs & Stratton
Lawn & Garden Engine

Model # 120312-0138-E1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 120312-0138-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 255 parts  |

Lawn & Garden Equipment Engine Air Filter 491588

#445

All parts diagram

Lawn & garden equipment engine air filter

Part #491588

Replaced by #491588S

?
Manufacturer substitution
This part replaces 491588. Substitute parts can look different from the original.
BEST SELLER

Get free shipping with Automatic Reorder

$9.24
10% OFF Phone Price : $10.24
In Stock
Fuel Line (red) 691050

#187

All parts diagram

Fuel line (red)

Part #691050

Replaced by #791766

?
Manufacturer substitution
This part replaces 691050. Substitute parts can look different from the original.
BEST SELLER
$9.59
9% OFF Phone Price : $10.59
In Stock
Fuel Line 694486

#187C

All parts diagram

Fuel line

Part #694486

Replaced by #791766

?
Manufacturer substitution
This part replaces 694486. Substitute parts can look different from the original.
BEST SELLER
$9.59
9% OFF Phone Price : $10.59
In Stock
Lawn & Garden Equipment Engine Air Filter (replaces 392672, 393365, 49245, 690610, Bs-697029) 697029

#445A

All parts diagram

Lawn & garden equipment engine air filter (replaces 392672, 393365, 49245, 690610, bs-697029)

Part #697029

BEST SELLER
$18.87
10% OFF Phone Price : $20.87
In Stock
Lawn & Garden Equipment Engine Spark Plug (replaces Bs-691043) 691043

#337A

All parts diagram

Lawn & garden equipment engine spark plug (replaces bs-691043)

Part #691043

BEST SELLER

Get free shipping with Automatic Reorder

$7.27
12% OFF Phone Price : $8.27
In Stock
Lawn & Garden Equipment Engine Recoil Starter Pulley (replaces 263074, 281504, Bs-498144) 498144
Lawn & garden equipment engine recoil starter pulley (replaces 263074, 281504, bs-498144)

Part #498144

BEST SELLER
$23.76
20% OFF Phone Price : $29.76
In Stock
Lawn & Garden Equipment Engine Carburetor Fuel Inlet Fitting (replaces 493496, Bs-692317) 692317

#186

All parts diagram

Lawn & garden equipment engine carburetor fuel inlet fitting (replaces 493496, bs-692317)

Part #692317

BEST SELLER
$8.02
11% OFF Phone Price : $9.02
In Stock
Air Filter 273356

#967A

All parts diagram

Air filter

Part #273356

Replaced by #273356S

?
Manufacturer substitution
This part replaces 273356. Substitute parts can look different from the original.
BEST SELLER
$9.51
10% OFF Phone Price : $10.51
In Stock
Carburetor Kit 696998

#121

All parts diagram

Carburetor kit

Part #696998

Replaced by #792006

?
Manufacturer substitution
This part replaces 696998. Substitute parts can look different from the original.
$37.09
14% OFF Phone Price : $43.09
In Stock
Gasket 697001

#977

All parts diagram

Gasket

Part #697001

Replaced by #792006

?
Manufacturer substitution
This part replaces 697001. Substitute parts can look different from the original.
$37.09
14% OFF Phone Price : $43.09
In Stock

Symptoms for gas leaf blowers

Choose a symptom to see related leaf blower repairs.

Main causes: cracked fuel lines, leaky carburetor seals, damaged fuel tank cap, cracked fuel tank…

Main causes: damaged fan blade, engine needs a tune up, dirty carburetor…

Main causes: stale fuel, dirty air filter, bad spark plug, cracked fuel lines, clogged carburetor…

Main causes: mixing too much 2-cycle oil with the gas, dirty air filter, clogged carburetor, engine needs tune up…

Main causes: bad gas, clogged air filter, cracked fuel lines, clogged fuel filter, dirty carburetor, bad spark plug, wor…

Repair guides for gas leaf blowers

These step-by-step repair guides will help you safely fix what’s broken on your leaf blower.

How to replace a leaf blower carburetor

How to replace a leaf blower carburetor

The carburetor could be the problem If the leaf blower engine won't start even though there's fuel in the tank. Follow t…

Repair difficulty
Time required
 15 minutes or less
How to replace leaf blower fuel lines

How to replace leaf blower fuel lines

Leaf blower fuel lines deteriorate with time and eventually can split or crack. You can remove and replace them yourself…

Repair difficulty
Time required
 60 minutes or less
How to rebuild a leaf blower carburetor

How to rebuild a leaf blower carburetor

If the leaf blower engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow …

Repair difficulty
Time required
 60 minutes or less

Effective articles & videos to help repair your lawn & garden engines

Use the advice and tips in these articles to get the most out of your leaf blower.

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.…