Can’t find your part?   Contact us:   +1-309-603-4777
Open Hamburger Menu
Sears Parts Direct
Tips to find your model number
Cart
Orders
Your models

Keep track of the models you own in your profile

Sign in or Register to view or add models

Schedule a repair
Lawn & Garden Engine

Model # 120202-3780-B1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 120202-3780-B1 engine, as well as links to manuals and error code tables, if available.

By Schematic
By Part
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for120202-3780-B1 Engine

  • Briggs & Stratton Lawn & Garden Equipment Engine Air Filter 491588S

    #445

    All parts diagram

    Briggs & stratton lawn & garden equipment engine air filter

    Part #491588S

    BEST SELLER

    Get free shipping with Automatic Reorder

    $9.21
    10% OFF Phone Price : $10.21
    In Stock
  • Briggs & Stratton Lawn & Garden Equipment Engine Fuel Line, Red 791766

    #187

    All parts diagram

    Briggs & stratton lawn & garden equipment engine fuel line, red

    Part #791766

    BEST SELLER
    $8.71
    10% OFF Phone Price : $9.71
    In Stock
  • Lawn & Garden Equipment Engine Carburetor Fuel Inlet Fitting 692317

    #186

    All parts diagram

    Lawn & garden equipment engine carburetor fuel inlet fitting

    Part #692317

    BEST SELLER
    $8.31
    11% OFF Phone Price : $9.31
    In Stock
  • Briggs & Stratton Lawn & Garden Equipment Engine Flywheel Key 222698S

    #24

    All parts diagram

    Briggs & stratton lawn & garden equipment engine flywheel key

    Part #222698S

    BEST SELLER
    This item is not returnable
    $3.29
    23% OFF Phone Price : $4.29
    In Stock
  • Snowblower Carburetor 791077

    #125

    All parts diagram

    Snowblower carburetor

    Part #791077

    Replaced by #798653

    ?
    Manufacturer substitution
    This part replaces 791077. Substitute parts can look different from the original.
    BEST SELLER
    $57.71
    9% OFF Phone Price : $63.71
    In Stock
  • Fuel Tank 694260

    #972

    All parts diagram

    Fuel tank

    Part #694260

    Replaced by #799863

    ?
    Manufacturer substitution
    This part replaces 694260. Substitute parts can look different from the original.
    BEST SELLER
    $80.71
    7% OFF Phone Price : $86.71
    In Stock
  • Pre-filter 493537

    #967

    All parts diagram

    Pre-filter

    Part #493537

    Replaced by #493537S

    ?
    Manufacturer substitution
    This part replaces 493537. Substitute parts can look different from the original.
    BEST SELLER
    This item is not returnable
    $11.11
    15% OFF Phone Price : $13.11
    In Stock
  • Briggs & Stratton Lawn & Garden Equipment Engine Carburetor Float Bowl Gasket 693981

    #137

    All parts diagram

    Briggs & stratton lawn & garden equipment engine carburetor float bowl gasket

    Part #693981

    BEST SELLER
    This item is not returnable
    $4.50
    18% OFF Phone Price : $5.50
    In Stock
  • Briggs & Stratton Lawn & Garden Equipment Engine Recoil Starter Pawl 281505S

    #459

    All parts diagram

    Briggs & stratton lawn & garden equipment engine recoil starter pawl

    Part #281505S

    This item is not returnable
    $5.80
    15% OFF Phone Price : $6.80
    In Stock
  • Briggs & Stratton Lawn & Garden Equipment Engine Carburetor Needle Valve 398188

    #134

    All parts diagram

    Briggs & stratton lawn & garden equipment engine carburetor needle valve

    Part #398188

    This item is not returnable
    $8.13
    11% OFF Phone Price : $9.13
    In Stock

Repair guides for side-by-side refrigerators

How to replace an ice dispenser motor in a side-by-side refrigerator

How to replace an ice dispenser motor in a side-by-side refrigerator

If your side-by-side refrigerator isn’t churning out ice, replacing the motor could fix the problem. These steps explain…

Repair difficulty
Time required
 45 minutes or less
How to replace a defrost heater in a side-by-side refrigerator

How to replace a defrost heater in a side-by-side refrigerator

If frost is building up in the freezer of your side-by-side refrigerator, the defrost heater could be faulty. Follow the…

Repair difficulty
Time required
 45 minutes or less
How to replace an evaporator fan motor in a side-by-side refrigerator

How to replace an evaporator fan motor in a side-by-side refrigerator

If your refrigerator isn't as cold as it should be, it could be that the evaporator fan motor isn't circulating air. Thi…

Repair difficulty
Time required
 60 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.…

Parts & More

Dishwasher
Dryer
Front-Engine Lawn Tractor
Parts
Riding Mowers & Tractors
Stand Mixer