OMC Parts Drawing *Cobra *Mercruiser *Alpha SEI Outdrives

Last updated on 11/18/2023

  • Exploded Cobra parts drawing #33 to #52
  • Cover assembly
  • Water pump adaptor
  • Plastic u-joint carrier shims
  • Rear metal shims
  • Vertical housing metal shims
OMC Cobra upper gearcase parts

OMC Cobra upper gearcase parts layout

OMC Cobra upper gearcase parts, 87654 OMC Cobra upper gearcase

87654 OMC Cobra upper gearcase seal kit

87654 Upper gear case seal kit – replaces 987603

P/N 87654 $48.99 US

P/N 87654
$70.89 CDN 

OMC Cobra upper gearcase parts

39630 Transom gasket 508105

39630 Bell housing gasket – OEM 508105

# 39630
$9.95 US

# 39630
$6.89 CDN

21111 Cover nut

21111 Cover Nut

21111 Cover nut

85.95 us

$27.89 cdn

27800 Top bearing carrier

27800 Bearing Carrier pinion gear

34
27800
 Bearing carrier

85.95 us

$103.89 cdn

27900 Cobra water pump adaptor

27900 Water pump adapter

35
27900
 Water pump adapter

82.95 us

$128.89 cdn

OMC Cobra upper gearcase parts

27920 bearing carrier u joint

36
27920
bearing carrier u joint

$97.95 us

$150.89  cdn

OMC Cobra upper gearcase parts

82480 O-ring in seal kit

37
82480
 O-ring in seal kit

28404 Top cover assembly OEM number 914489.

28404 cobra cover / o ring

38


28404
Top cover assembly OEM number 914489.

$81.95 us

$125.89 cdn

28406 Used cover for-water pump upper unit 983967

28406 Cobra parts top

39


28406
Used cover for-water pump upper unit 983967

$64.95 us

$83.89 cdn

12661 Upper gearcase thrust plate port OEM number 3852561.

12661 Thrust plate port

40
12661
 Thrust plate port

$ 4.95 us

$7.89 cdn

Upper gearcase thrust plate stbd 3852562.

12662 Thrust plate starboard side

41
12662

Thrust plate starboard side

$ 4.95 us

$4.89  cdn

23360 Thrust plate shim

23360 OMC Cobra shim

42
23360 Shim

$ 6.95 us

 

$11.89 cdn

OMC Cobra upper gearcase parts

28408 cover assembly

43
28408 Cover assembl

$ 38.95 us

$59.89 cdn

21773 Retainer ring

21773 retainer ring

44
21773
 Retainer ring

$ 5.95 us

$4.89 cdn

23361 OMC Cobra shim .003

23361 Cobra shim .003

45
23361
 Shim 0.003″

$ . us

$7.89 cdn

23362 Cobra Shim .004

23362 Shim .004

45
23362
 Shim 0.004″

$  us 

$7.89 cdn

23363 OMC Cobra shim .005

23363 Shim .005

45
23363 cobra shim .005

$ us

$7.89 cdn

23364 OMC Cobra shim .010

23364 Shim .010

45
23364 cobra shim .010

$ 7.89

OMC Cobra upper gearcase parts

22384 Screw

46
22384 Screw

$ 4.99 us

$7.89 cdn

47010 Cobra water pump case vent tube

47010 Cobra vent tube

47
47010 Vent hose

$ 13.95 us

$21.89 cdn