AUSTIN HEALEY 100-4
​3 SPEED GEARBOX

GEARS AND INTERNALS

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1.  Mainshaft

​2.  First gear / Syncronizer

3.  Thrust Washer, rear

4.  Second gear

​5.  Bush, second gear

6.  Ring, interlocking

7.  Bush, third gear

8.  Thrust washer, front

9.  Syncronizer, third/fourth gear

10.  Laygear

11.  Layshaft

12.  Thrust washer, front

13.  Thrust washer, rear

14.  Reverse gear

15.  Shaft, reverse gear

16.  Input shaft
1B 3639

1B 3576    1B 3477

1G 3246

​1B 3550

1B 3489

1B 3491

1B 3490

1B 3332 (various thickness)

1A 3169

1B 3693 (may have others as well)

1B 3702

1B 3380

1A 3669 (various thickness)

1B 3577

​1G 3214
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17.  Fork, 3rd and 4th

18.  Rod, 3rd and 4th

19.  Distance Tube

20.  Fork, 1st and 2nd

21.  Rod, 1st and 2nd

22.  Fork, reverse

23.  Rod, reverse

24.  Locating Strip, long

25.  Locating Strip, short
1B 3342

1B 3547

1B 3368

1B 3575

1B 3546

1B 3342

1B 3737

1B 3354

​1B 3353

EXTERNAL GEARBOX

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26.  Body, shifter

27.  Washer, rubber

28.  Seat

29.  Cover

30.  Nut, castelated

31.  Flange

32.  Plug, oil

33.  Gate

34.  Arm

35.  Shaft

36.  Seal

37.  Lock Tab

38.  Nut

39.  Washer

40.  Cover, front

41.  Cover, starter end

42.  Pinion, speedometer

43.  Bearing, pinion

44.  Centrifugal Switch

45.  Clutch Fork

46.  Tapered Bolt

47.  Nut

​48.  Clutch Rod
1B 3627

1B 3632

2F 3151

2F 3152

7H 5889

17H 5807

2K 5830

1B 3633

1B 3360

1B 3648

2K 8961

1B 3361

2K 3986

6K 9087

1B 3338

1B 3346

17H 5814

17H 5817
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Main Case