Briggs and Stratton 128T05-5123-B1 Parts Diagrams

There are (218) parts used by this model.

Found on Diagram: Air Cleaner, Exhaust System
691923

Breather Tube

$8.45

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691740

Muffler Screw Lock

$4.95

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795629

Air Cleaner Gasket
(Air Cleaner)

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593208

Thermostat

$21.26

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790828

Muffler

$36.86

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690670

Screw
(Air Cleaner Cover)

$5.42

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692523

Screw
(Air Cleaner Primer Base)

$6.52

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491588S

Air Filter

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790842

Air Cleaner Cover Knob

$11.72

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493537S

Pre-Cleaner

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691340

Screw
(Muffler) (1/4-20 x 2.75 Inches Total Length, 2.25 Inch Shoulder Length)

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396548

DEFLECTOR MUFFLER

$14.86

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396548

DEFLECTOR MUFFLER

$14.86

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397931

DEFLECTOR MUFFLER

$13.53

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393760

Muffler Deflector

$9.05

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493871

DEFLECTOR MUFFLER

$13.53

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590745

DEFLECTOR MUFFLER

$38.68

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690661

Screw
(Muffler Deflector) (Thread Forming)

$3.03

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593440

SCREW
(Muffler Deflector) (Self-Drilling & Tapping)

$4.10

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593875

Muffler Guard

$50.77

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690664

Screw
(Muffler Guard)

$4.70

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593580

BASE AIR CLEANER
(Primer) Used After Code Date 14012600

$33.89

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691881

Exhaust Gasket

$7.97

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795259

Air Filter Base
(Primer) Used Before Code Date 14012700

$32.02

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692298

Air Filter Cover

$24.77

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4180

5 Pack of Primer Bulb # 694395

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398067

ARRESTOR SPARK

$58.62

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792245

ARRESTOR SPARK

$19.33

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Found on Diagram: Blower Housing, Electric Starter, Flywheel, Rewind Starter
691987

Flywheel

$102.01

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793756

Flywheel Guard

$9.90

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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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790826

HOUSING BLOWER

$94.30

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691108

Screw
(Blower Housing)

$3.03

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799045

Starter Motor
Used After Code Date 10112700

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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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795093

DRIVE STARTER

No Longer Available

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795100

CLUTCH DRIVE

$72.53

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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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691660

Screw
(Starter Gear Cover)

$3.49

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691855

Friction Spring

$4.21

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691127

SCREW
(Starter Motor) (Drive Cap)

$3.79

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93941

RETAINER E RING

$4.06

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795099

Pinion Gear

$19.93

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795096

GEAR PINION

$11.96

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795095

COVER STARTER GEAR

$12.53

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692352

GASKET STARTER COVER

$5.75

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695268

ADAPTER WIRE

$13.29

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795403

Linkage Cover

$9.79

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795098

SPLINE STARTER (No Longer Available)

No Longer Available

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799420

SPLINE STARTER (No Longer Available)

No Longer Available

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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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790848

Air Vane
(Autochoke System)

$10.51

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790849

Air Vane Spring

$5.96

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790850

Screw
(Air Vane) (Auto Choke System)

$3.62

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Found on Diagram: Blower Housing-Shrouds
698589

Screw
(Control Cover)

$3.62

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790703

Control Cover

$15.22

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790037

COVER BLOWER HSG

No Longer Available

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790036

COVER BLOWER HSG

No Longer Available

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699984

COVER BLOWER HSG

$64.07

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591955

COVER BLOWER HOUSING

No Longer Available

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792652

COVER BLOWER HOUSING

$51.40

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794355

COVER BLOWER HOUSING

$51.40

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796706

COVER BLOWER HOUSING

No Longer Available

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796921

COVER BLOWER HOUSING

$59.88

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690700

Screw
(Blower Housing)

$3.62

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691138

Screw
(Blower Housing)

$3.62

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

CYLINDER ASSEMBLY

$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

$13.53

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699833

Breather Gasket

$5.19

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691125

Screw
(Breather Assembly)

$3.62

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691781

Breather Tube

$9.90

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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
(Square Socket)

$5.19

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590807

CRANKSHAFT

$163.22

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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

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590406

Piston Kit
Used Before Code Date 09041700

$79.79

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590405

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

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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 After Code Date 11063000

$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
Used Before Code Date 11051700

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796703

Intake Manifold (No Longer Available)

No Longer Available

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272199S

Intake Gasket

$4.70

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796704

Intake Gasket

$3.98

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691650

Screw
(Intake Manifold)

No Longer Available

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795629

Air Cleaner Gasket
(Air Cleaner)

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690940

Screw
(Dipstick Tube)

$3.85

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790836

SHIELD CYLINDER

$18.25

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690345

Screw
(Cylinder Shield)

$4.95

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796112S

RJ19LM Spark Plug
(Resistor)

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590508

Engine Gasket Set

$34.17

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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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592587

End Play Shim
(Crankshaft or Camshaft Bearing) (0.012)

$4.95

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270344S

O-Ring Seal
(Intake Manifold)

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66538S

Spark Plug Boot

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493823

SPACER
(Includes 2)

$5.55

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690345

Screw
(Breather Passage Cover)

$4.95

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690959

Locating Pin

$5.91

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794388

GEAR TIMING
(Use Without Woodruff Key) Used Before Code Date 08021800

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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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590507

Valve Gasket Set

$24.17

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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
696565

Throttle Shaft
(Plastic)

$14.50

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797622

Float Hinge Pin

$3.62

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795935

VALVE CHOKE
Used After Code Date 11051600

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498977

Main Jet (No Longer Available)
(Standard) Used After Code Date 11051600

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498977

Main Jet (No Longer Available)
(High Altitude) Used Before Code Date 11051700

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498260

Carburetor Overhaul Kit

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799866

Carburetor (No Longer Available)
(Autochoke System)

No Longer Available

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694468

Welch Plug
(Bowl Vent)

$3.98

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696564

Throttle Valve

$7.97

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398187

Carburetor Float

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398188

Needle Seat Kit

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796610

Float Bowl Gasket

$6.50

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693981

Float Bowl Gasket
(1/16)

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796193

Choke Shaft Kit

$12.57

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795629

Air Cleaner Gasket
(Air Cleaner)

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791766

Fuel Line
(Cut To Required Length)

$6.71

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791873

Fuel Line
(Molded)

$14.50

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690940

Screw
(Fuel Tank)

$3.85

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298090S

Fuel Filter

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271716

Sealing Washer

$3.68

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791850

Hose Clamp

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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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693867

Choke/Throttle Shaft Seal

$4.46

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692294

Fuel Tank Spacer

$4.21

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692046

Fuel Tank Cap

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796577

Gas Cap

$15.94

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698183

Fuel Shut Off Valve

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699374

Fuel Tank

$50.99

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796611

Float Bowl

$6.40

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692311

Screw/Washer Kit

$6.40

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Found on Diagram: Controls, Electrical, Flywheel Brake, Governor Spring, Ignition
693399

Screw
(Control Bracket)

$3.62

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691829

Governor Link

$7.73

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691292

Governor Spring

$7.37

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793754

BRACKET CONTROL
(Fixed Speed) Used Before Code Date 14012700

$39.28

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593582

Control Bracket
Used After Code Date 14012600

$39.28

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690783

LEVER GOV CONTROL

$14.14

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691826

Lockout Link

$7.24

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690798

Clamp Casing

$4.70

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691024

Clamp Casing

$3.46

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692179

Casing Clamp

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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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590454

Magneto Armature

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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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690791

WIRE STOP (No Longer Available)

No Longer Available

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793351

Spark Plug Shield

No Longer Available

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690272

Washer
(Governor Crank)

$3.62

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691991

Alternator

$107.60

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691251

Nut
(Governor Control Lever)

No Longer Available

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691119

Bolt
(Governor Control Lever)

$3.85

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695283

WIRE ASSEMBLY

$19.10

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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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66538S

Spark Plug Boot

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493823

SPACER
(Includes 2)

$5.55

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691648

SCREW
(Brake)

$4.34

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796574

HARNESS WIRING

$18.36

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594392

HARNESS WIRING

$17.96

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493880S

Spark Plug Terminal

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692424

Spark Plug Terminal

$5.06

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695897

ADAPTER WIRE

$11.11

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691094

STUD
(Alternator)

$9.66

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692135

Brake Spring

$7.73

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796387

Brake
(Electric Start)

No Longer Available

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796136

Brake
(Rewind Starter)

$29.61

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692979

SCREW
(Alternator)

$3.62

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Found on Diagram: Replacement Engine
799985

SB MODEL 12 VERT (No Longer Available)

No Longer Available

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