Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number

Briggs & Stratton 120202-3780-B1 engine Parts

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

Briggs & Stratton 120202-3780-B1 engine
By Schematic
By Part
SELECT DIAGRAM
?

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

Browse Parts for 120202-3780-B1 Engine

  • Briggs & Stratton Fan-flywheel for Briggs & Stratton 120202-3780-B1 - Part 794273

    #1005

    All parts diagram

    Briggs & Statton Lawn Mower Fan

    Part #692592

    Replaced by #794273

    Info Icon
    Manufacturer substitution
    This part replaces 692592. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $16.23
    47% OFF Was : $30.64Info Icon
    Minus Item
    Qty
    Plus Item
  • Briggs & Statton Lawn & Garden Equipment Engine for Briggs & Stratton 120202-3780-B1 - Part 130G32-0022-F1

    #1329

    All parts diagram

    Briggs & Statton Engine

    Part #121302-0520

    Replaced by #130G32-0022-F1

    Info Icon
    Manufacturer substitution
    This part replaces 121302-0520. Substitute parts can look different from the original.
    In Stock
    $543.99
    $12.00 OFF Phone Price : $555.99Info Icon
    Minus Item
    Qty
    Plus Item
  • Briggs & Stratton Lawn & Garden Equipment Engine Spring Detent for Briggs & Stratton 120202-3780-B1 - Part 590931

    #692

    All parts diagram

    Briggs & Statton Choke Spring

    Part #690572

    Replaced by #590931

    Info Icon
    Manufacturer substitution
    This part replaces 690572. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $10.63
    16% OFF Phone Price : $12.63Info Icon
    Minus Item
    Qty
    Plus Item
  • Briggs & Statton Lawn & Garden Equipment Engine Carburetor Rebuild Kit for Briggs & Stratton 120202-3780-B1 - Part 792006

    #977

    All parts diagram

    Briggs & Statton Gasket

    Part #697001

    Replaced by #792006

    Info Icon
    Manufacturer substitution
    This part replaces 697001. Substitute parts can look different from the original.
    In Stock
    $43.75
    12% OFF Phone Price : $49.75Info Icon
    Minus Item
    Qty
    Plus Item
  • Briggs & Statton Lawn & Garden Equipment Engine Main Jet for Briggs & Stratton 120202-3780-B1 - Part 798660

    #118

    All parts diagram

    Briggs & Statton Main Jet

    Part #498975

    Replaced by #798660

    Info Icon
    Manufacturer substitution
    This part replaces 498975. Substitute parts can look different from the original.
    In Stock
    $55.17
    Minus Item
    Qty
    Plus Item
  • Briggs & Stratton Lawn & Garden Equipment Engine Fuel Tank Cap for Briggs & Stratton 120202-3780-B1 - Part 795027

    #957

    All parts diagram

    Briggs & Statton Fuel Tank Cap

    Part #694261

    Replaced by #795027

    Info Icon
    Manufacturer substitution
    This part replaces 694261. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $11.44
    15% OFF Phone Price : $13.44Info Icon
    Minus Item
    Qty
    Plus Item
  • Briggs & Statton Lawn & Garden Equipment Engine Ignition Coil for Briggs & Stratton 120202-3780-B1 - Part 796964

    #333

    All parts diagram

    Briggs & Statton Magneto Armature

    Part #695711

    Replaced by #796964

    Info Icon
    Manufacturer substitution
    This part replaces 695711. Substitute parts can look different from the original.
    In Stock
    $72.07
    8% OFF Phone Price : $78.07Info Icon
    Minus Item
    Qty
    Plus Item
  • Briggs & Statton Lawn & Garden Equipment Engine Piston And Ring Kit,0.02-in for Briggs & Stratton 120202-3780-B1 - Part 799064

    #25A

    All parts diagram

    Briggs & Statton Piston

    Part #791326

    Replaced by #799064

    Info Icon
    Manufacturer substitution
    This part replaces 791326. Substitute parts can look different from the original.
    In Stock
    $154.18
    7% OFF Phone Price : $166.18Info Icon
    Minus Item
    Qty
    Plus Item
  • Briggs & Statton Rod for Briggs & Stratton 120202-3780-B1 - Part 791584

    #30

    All parts diagram

    Briggs & Statton Dippr/cn Rod

    Part #692562

    Replaced by #791584

    Info Icon
    Manufacturer substitution
    This part replaces 692562. Substitute parts can look different from the original.
    In Stock
    $34.74
    Minus Item
    Qty
    Plus Item
  • Briggs & Stratton Lawn & Garden Equipment Engine Governor Lever Bolt for Briggs & Stratton 120202-3780-B1 - Part 691119

    #562

    All parts diagram

    Briggs & Statton Bolt

    Part #691112

    Replaced by #691119

    Info Icon
    Manufacturer substitution
    This part replaces 691112. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $8.47
    11% OFF Phone Price : $9.47Info Icon
    Minus Item
    Qty
    Plus Item

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

Main causes: faulty sensors, wiring failure, bad control console…

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

Main causes: bad control console, wiring failure, bad motor control board…

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

Repair guides for treadmills

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

How to replace a treadmill walking board

How to replace a treadmill walking board

A worn-out walking board creates friction with the walking belt and causes the belt to slow down during use. Replace the…

Repair time and Difficulty

 30 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

Repair time and Difficulty

 15 minutes or less
How to replace a treadmill walking belt

How to replace a treadmill walking belt

A worn walking belt will begin to slow down during use. If your treadmill walking belt is worn out, replace it using the…

Repair time and Difficulty

 45 minutes or less

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

Use the advice and tips in these articles and videos to get the most out of your treadmill.

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