Briggs and Stratton 120T02-3865-B1 Parts Diagrams

There are (153) parts used by this model.

Found on Diagram: Air Cleaner, Controls, Electrical, Exhaust System, Flywheel Brake, Governor Spring, Ignition
691740

Muffler Screw Lock

$4.95

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271139S

Air Cleaner Gasket
(Air Cleaner)

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794024

LINK MECHANICAL GOV

$7.73

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794025

Governor Spring

$8.22

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691467

LEVER GOV CONTROL (No Longer Available)

No Longer Available

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691826

Lockout Link

$7.24

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690798

Clamp Casing

$4.70

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691044

Screw
(Casing Clamp)

$3.62

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691025

Control Wire Casing (No Longer Available)
(Cut To Required Length)

No Longer Available

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691026

Control Wire (No Longer Available)
(Cut To Required Length)

No Longer Available

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691027

Nut
(Control Wire Casing)

$11.96

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691028

LEVER CONTROL

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692038

Muffler

$26.58

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590454

Magneto Armature

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590455

Armature Magneto (No Longer Available)

No Longer Available

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691061

Screw
(Magneto Armature)

$3.03

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692390

Wire Stop (No Longer Available)

No Longer Available

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690272

Washer
(Governor Crank)

$3.62

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691251

Nut
(Governor Control Lever)

No Longer Available

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691417

Screw
(Air Cleaner)

$5.42

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794071

FILTER AIR CLEANER

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794070

CLEANER AIR

$24.77

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92613

NO LONGER AVAILABLE
(Governor Lever)

No Longer Available

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691340

Screw
(Muffler)

$4.95

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690340

Governor Shaft Retainer

$3.98

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698801

Governor Crank

$9.79

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692310

Switch Stop

$5.31

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793351

Spark Plug Shield

No Longer Available

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691648

SCREW
(Brake)

$4.34

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593875

Muffler Guard
Used After Code Date 11063000

$50.77

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690664

Screw
(Muffler Guard)

$4.70

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493880S

Spark Plug Terminal

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692424

Spark Plug Terminal

$5.06

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691881

Exhaust Gasket

$7.97

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691831

Brake Spring

$9.42

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692135

Brake Spring

$7.73

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796136

Brake
Used Before Code Date 08050100

$29.61

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796136

Brake
Used After Code Date 08043000

$29.61

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499421

Interlock Switch
Used Before Code Date 08050100

$31.43

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690345

Screw
(Interlock Switch)

$4.95

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Found on Diagram: Blower Housing/Shrouds, Flywheel, Rewind Starter
691987

Flywheel

$102.01

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794022

GUARD FLYWHEEL

$7.90

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691421

Rewind Starter Housing

$58.62

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697316

Starter Rope
(Cut To Required Length)

$5.80

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281434S

Starter Rope Grip

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799716

GRIP STARTER ROPE

$10.63

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690837

Screw
(Rewind Starter)

$3.25

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691108

Screw
(Flywheel Guard)

$3.03

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794065

HOUSING BLOWER

$135.59

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691108

Screw
(Blower Housing)

$3.03

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690662

Nut
(Flywheel)

$5.67

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19069

Small Flywheel Puller

$15.71

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791960

Flywheel Cup

$10.51

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692299

Pawl Friction Plate

$4.50

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281505S

Ratchet Pawl

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690800

Nut
(Rewind Starter)

$3.85

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691696

Screw
(Pawl Friction Plate)

$11.84

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497680

Recoil Starter Assembly

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691855

Friction Spring

$4.21

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794026

COVER BLOWER HOUSING

$51.97

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795403

Linkage Cover
Used Before Code Date 07072300

$9.79

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794027

SCREW
(Blower Housing)

$3.38

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691346

Flywheel Fan

$23.68

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498144

Pulley/Spring Assembly
(Pulley)

$18.85

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498144

Pulley/Spring Assembly
(Spring)

$18.85

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Found on Diagram: Camshaft, Crankshaft, Cylinder, Engine Sump, Lubrication, Piston Group, Valves
592645

CYLINDER ASSEMBLY
Used After Code Date 11063000

$269.01

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796961

Bushing Kit
(Magneto Side)

$19.82

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299819S

Oil Seal
(Magneto Side)

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493279

Engine Sump

$110.02

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590411

Cylinder Head
Used After Code Date 11063000

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692249

Cylinder Head Gasket
Used Before Code Date 11070100

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590395

Breather Assembly
Used Before Code Date 11070100

$13.53

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699833

Breather Gasket
Used Before Code Date 11070100

$5.19

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691125

Screw
(Breather Assembly)

$3.62

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794021

TUBE BREATHER

No Longer Available

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692232

Oil Sump/ Cover Gasket

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690912

Screw
(Cylinder Head) Used Before Code Date 11070100

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691680

Oil Plug

$5.19

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797017

Crankshaft

No Longer Available

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399781S

Oil Seal
(PTO Side)

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691092

Screw
(Crankcase Cover/Sump)

$3.62

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222698S

Flywheel Key

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590405

USE
(.020 Oversize) Used After Code Date 09041600 Used Before Code Date 11070100

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791098

Piston Rings (No Longer Available)
(Standard) Used Before Code Date 07090400

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691588

Piston Pin Lock
Used After Code Date 09041600

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298909

Piston Pin
(Standard) Used After Code Date 09041600

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797306

Connecting Rod
(Standard) Used After Code Date 09041600

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691664

Screw
(Connecting Rod)

$4.21

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695759

Screw
(Connecting Rod)

$4.34

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590394

Exhaust Valve
Used Before Code Date 11070100

$21.88

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590393

Intake Valve
Used After Code Date 11063000

$19.93

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691270

Valve Spring
(Intake)

$4.95

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691270

Valve Spring
(Exhaust)

$4.95

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692194

Valve Retainer

$5.67

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691997

Governor Gear

$23.45

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690548

Tappet Valve

$8.69

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691449

Camshaft

$66.49

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794023

MANIFOLD INTAKE (No Longer Available)

No Longer Available

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272199S

Intake Gasket

$4.70

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691650

Screw
(Intake Manifold)

No Longer Available

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690979

Woodruff Key

$3.03

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690940

Screw
(Dipstick Tube)

$3.85

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690450

SHIELD CYLINDER

$9.82

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690345

Screw
(Cylinder Shield)

$4.95

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697451

Spark Plug
(EMS) Used Before Code Date 11070100

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590508

Engine Gasket Set
Used Before Code Date 11070100

$34.17

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691074

WASHER (No Longer Available)
(Camshaft)

No Longer Available

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89838S

Spark Plug Wrench

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499621

Dipstick

$15.58

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692296

Dipstick Seal
(Dipstick Tube)

$4.34

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495265

Dipstick Tube

No Longer Available

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697734

COVER BREA PASSAGE

$8.33

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691879

Passage Gasket

$6.16

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270344S

O-Ring Seal
(Intake Manifold)

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66538S

Spark Plug Boot

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690345

Screw
(Breather Passage Cover)

$4.95

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690959

Locating Pin

$5.91

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691830

GEAR TIMING
(Uses Woodruff Key)

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691031

O-Ring Seal
(Dipstick Tube)

$5.19

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692047

Dipstick Tube Assembly

No Longer Available

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697338

Valve Seal
Used Before Code Date 11070100

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691155

Valve Seat
(Intake)

$8.09

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690380

Valve Seat (No Longer Available)
(Exhaust)

No Longer Available

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262001

Guide Bushing (No Longer Available)
(Exhaust) Used Before Code Date 11070100

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691881

Exhaust Gasket

$7.97

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380567TRI

MANUAL, OPERATOR S
Used Before Code Date 11070100

No Longer Available

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498528

Valve Gasket Set
Used Before Code Date 11070100

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691255

PILOT GUIDE

$13.05

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794467

LABEL WARNING

$19.10

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270962

Single Cylinder Repair Manual

$23.10

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Found on Diagram: Carburetor, Fuel Supply
794061

Carburetor

$66.49

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697414

SHAFT THROTTLE

$14.50

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691901

Inlet Seat

$8.09

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794060

VALVE THROTTLE

No Longer Available

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271139S

Air Cleaner Gasket
(Air Cleaner)

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494406

Fuel Tank
(Metal)

$72.53

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794068

BRACKET FUEL TANK

$23.68

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693399

Screw
(Fuel Tank)

$3.62

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691092

Screw
(Fuel Tank)

$3.62

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790029

Screw
(Carburetor)

$3.62

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691839

Choke Diaphragm Spring

$5.06

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691837

Carburetor Screen

$6.52

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795083

Carburetor Diaphragm

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692189

Grommet

$4.26

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496046S

Pick Up Tube

$7.97

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270344S

O-Ring Seal
(Intake Manifold)

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691321

Choke/Throttle Shaft Seal
(Throttle Shaft)

$4.10

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693399

Screw
(Fuel Tank Bracket)

$3.62

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697478

Retainer Seal

$4.34

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494409

Check Valve Seat (No Longer Available)

No Longer Available

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497929S

Gas Cap
(Plastic)

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694394

Primer Bulb

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Found on Diagram: Replacement Engine
799984

SB MODEL 12 VERT

No Longer Available

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