8020 - Lawn-Boy Walk-Behind Mower (SN: 100000001 - 199999999) (1971) MODEL D-420 ENGINE PARTS LIST MODELS USED ON: 8020 Parts Diagram

Walk-Behind Mower

MODEL D-420 ENGINE PARTS LIST MODELS USED ON: 8020 Parts Diagram

  • Title

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Lawn-Boy 678521

Governor Assembly

$

$

Not available

1

Lawn-Boy 602635

Yoke-Governor

$

$

Not available

2

Lawn-Boy 602634

Collar-Governor

$21.99

$

In Stock, only 3 left!

0

3

Lawn-Boy 602636

Weight-Governor

$

$

Not available

4

Lawn-Boy 602633

Spring-Governor

$

$

Not available

5

Lawn-Boy 604413

Thrust Washer

$

$

Not available

6

Lawn-Boy 604265

Collar-Thrust

$11.99

$

Usually ships in 3-6 days

0

7

Lawn-Boy 604266

Lever-Governor

$8.49

$

Usually ships in 3-6 days

0

8

Lawn-Boy 604344

Screw-Attaching Dust Cover

$

$

Not available

9

Lawn-Boy 604264

Dust Cover

$21.99

$

Usually ships in 3-6 days

0

10

Lawn-Boy 604297

Rod-Governor

$20.99

$

Usually ships in 3-6 days

0

11

Lawn-Boy 606865

Bar-Shut-Off and Primer

$

$

Not available

12

Lawn-Boy 604248

Spring-Shut-Off Switch

$4.99

$

Usually ships in 3-6 days

0

13

Lawn-Boy 604249

Blade-Switch

$

$

Not available

14

Lawn-Boy 604276

Cam-Spark Advance

$

$

Not available

15

Lawn-Boy 604267

Spring-Spark Advance

$3.99

$

Usually ships in 3-6 days

0

16

Lawn-Boy 604263

Flyweight-Spark Advance

$18.99

$

Usually ships in 3-6 days

0

17

Lawn-Boy 604314

Retainer-Spring

$3.49

$

Usually ships in 3-6 days

0

18

Lawn-Boy 604277

Pin-Spark Advance

$

$

Not available

19

Lawn-Boy 604742

Screw-.Arm. Plate to Crankcase

$

$

Not available

20

Lawn-Boy 602816

Pad-Rubber, Arm. Plate

$

$

Not available

21

Lawn-Boy 607199

Key-Crankshaft

$4.99

$

In Stock, Qty 9

0

22

Lawn-Boy 604315

Crankshaft

$

$

Not available

Lawn-Boy 679155

Piston & Connecting Rod Assy.
(Superseded to 682864)

Note: Not Shown

$

$

Not available

23

Lawn-Boy 679252

Ring Set (2 Rings)

$

$

Not available

24

Lawn-Boy 606608

Wrist Pin
(Superseded to 94-5774)

$9.99

$

Usually ships in 3-6 days

0

25

Lawn-Boy 303712

Retaining Ring-Wrist Pin

$2.99

$

In Stock, Qty 11

0

26

Lawn-Boy 606607

Piston

$

$

Not available

27

Lawn-Boy 679156

Connecting Rod Assy.
(Superseded to 682865)

$

$

Not available

28

Lawn-Boy 607558

Lockplate

$

$

Currently unavailable

29

Lawn-Boy 603976

Screw

$

$

Not available

30

Lawn-Boy 677982

Liners-Connecting Rod

$40.99

$

In Stock, only 2 left!

0

31

Lawn-Boy 677963

Needle Bearing Set
(Superseded to 683911)

$23.99

$

In Stock, Qty 5

0

32

Lawn-Boy 605885

Spark Plug and Gasket
(Superseded to 614009)

$5.49

$

In Stock, only 1 left!

0

33

Lawn-Boy 678133

Cylinder and Sleeve Assembly
(Superseded to 678106)

$

$

Not available

34

Lawn-Boy 602657

Screw-Cylinder to Crankcase

$

$

Not available

35

Lawn-Boy 604116

Gasket-Cyl. to Crankcase

$3.49

$

Usually ships in 3-6 days

0

36

Lawn-Boy 604057

Drive Pulley Assembly

$

$

Not available

37

Lawn-Boy 604060

Clip-Spring

$

$

Not available

38

Lawn-Boy 604059

Retainer-Push-On

$

$

Not available

39

Lawn-Boy 604566

Screw-Pulley Drive

$

$

Not available

40

Lawn-Boy 679687

Crankcase and Seal Assy.

$

$

Not available

41

Lawn-Boy 605020

Seal-Oil
(Superseded to 611396)

$5.99

$

In Stock, Qty 5

0

42

Lawn-Boy 604000

Gasket, Reed Plate to C'case
(Superseded to 608362)

$4.49

$

In Stock, Qty 10

0

43

Lawn-Boy 486718

Reed Plate Assembly

$

$

Not available

44

Lawn-Boy 602588

Reed

$

$

Not available

45

Lawn-Boy 602587

Plate-Back-Up, Reed

$2.99

$

Usually ships in 3-6 days

0

46

Lawn-Boy 303761

Screw-Reed to Reed Plate
(Superseded to 612872)

$2.49

$

In Stock, Qty 5

0

47

Lawn-Boy 604857

Screw-Reed Plate to C'case

$6.49

$

Usually ships in 3-6 days

0

48

Lawn-Boy 602192

Screw-Reed Plate to C'case

$8.49

$

Usually ships in 3-6 days

0

49

Lawn-Boy 678375

Carburetor Assembly
(Superseded to 681072)

$

$

Not available

50

Lawn-Boy 602052

Gasket-Carburetor

$3.49

$

In Stock, Qty 19

0

Lawn-Boy 677080

Air Filter Assembly

Note: Not Shown

$

$

Not available

51

Lawn-Boy 602014

Cup-Air Filter

$

$

Not available

52

Lawn-Boy 602724

Plate-Back-up, Filter Cup

$4.99

$

Usually ships in 3-6 days

0

53

Lawn-Boy 602016

Element-Air Filter

$5.49

$

In Stock, only 1 left!

0

54

Lawn-Boy 602017

Screen-Air Filter (Large)

$

$

Not available

55

Lawn-Boy 602018

Clip-Air Filter

$

$

Not available

56

Lawn-Boy 602594

Screw-Air Filter

$

$

Not available

57

Lawn-Boy 602590

Gasket-Crankcase to Armature Plate, .005 In.

$

$

Not available

57

Lawn-Boy 602763

Gasket-Crankcase to Armature Plate, .010 In.

$1.99

$

In Stock, only 2 left!

0

Lawn-Boy 678071

Gasket Set

Note: Not Shown

$

$

Not available

58

Lawn-Boy 678355

Flywheel Assy.

$

$

Not available

59

Lawn-Boy 605988

Screen Flywheel

$

$

Not available

60

Lawn-Boy 304161

Lockwasher-Flywheel

$

$

Not available

61

Lawn-Boy 130743

Nut-Flywheel

$2.99

$

In Stock, Qty 6

0

62

Lawn-Boy 309072

Screw-Thd. Cutting

$

$

Not available

63

Lawn-Boy 606832

Cap-Flywheel

$

$

Not available

64

Lawn-Boy 604325

Gas Line

$

$

Not available

65

Lawn-Boy 677052

Shut-Off Valve

$22.99

$

In Stock, only 2 left!

0

66

Lawn-Boy 602848

Screw-Shroud to Armature Plate

$

$

Not available

67

Lawn-Boy 606829

Decal-Instruction

$

$

Not available

68

Lawn-Boy 606861

Decal-LAWN-BOY

$

$

Not available

Lawn-Boy 678127

Shroud and Gas Tank Assy.

Note: Not Shown

$

$

Currently unavailable

69

Lawn-Boy 677325

Gas Tank Assy.

$

$

Not available

70

Lawn-Boy 303952

Lockwasher

$

$

Not available

71

Lawn-Boy 604975

Nut

$3.99

$

Usually ships in 3-6 days

0

72

Lawn-Boy 678699

Cap
(Superseded to 681446)

$36.99

$

Usually ships in 3-6 days

0

73

Lawn-Boy 678136

Shroud and Shield Assy.

$

$

Not available