OMC Parts Drawing *Cobra *Mercruiser *Alpha SEI Outdrives

OMC Cobra sterndrive lower unit 15 to 29 Exploded view drawing with water pump and seal kits

Last updated on 11/18/2023

  • OMC Cobra 4 cylinder, V6 and V8 parts diagram
  • 2 year manufacturer parts warranty
  • Water pump housing, seals
OMC Cobra sterndrive lower unit 60 to 82, OMC Cobra sterndrive lower unit 46 to 59, OMC Cobra sterndrive lower unit 30 to 45, OMC Cobra sterndrive lower unit, OMC Cobra sterndrive lower unit 15 to 29

OMC Cobra lower gearcase parts layout

OMC Cobra sterndrive lower unit 15 to 29

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Description

Price (USD)

Price (Canada)

27760 Water passage housing in located in lower unit.

27760 Water passage housing

15
27760

Water passage housing located in lower unit.

$116.95 us 

$ 47.89cdn 

22404 T Cobra upper drive shaft

16
22404
 Upper Drive shaft

$180.95 us

$ 279.89 cdn

21180 Lock nut

21180 lock nuts

17
21180
 Nut (5 units)

$7.00 us

$4.89 cdn

21490 Washers

21490 Washer for water passage

18
21490
Washer Included in seal kit 

33970 Water passage gasket

19
33970
Gasket Included in seal kit 

$4.00 us

$4.89cdn

22362 Screw for bearing housing

81280 o ring 3 required

20
81280
 O-ring Included in seal kit

OMC Cobra Stern Drive Seal kit & Gaskets

87656 OMC outdrive lower unit seal kit

20-B
87656
Lower unit gearcase seal kit V6 4.3L or V8 5.0L, 5.7L, 5.8 liter 

$52.95 us

$ 89.89 cdn

OMC Cobra sterndrive lower unit 46 to 59

87655 OMC lower gearcase seal kit 4 cylinder 2.3 liter

20-C
87655
 Lower gearcase seal kit for 2.3 liter, 3.0L 4 cylinder (1986-1989)

$31.95 us

$ 47.89 cdn

22362 Screw for bearing housing

22362 Screw

21
22362
 Screw

$4.99 us

$4.89 cdn

27770 T Bearing housing

22
27770 Bearing housing

$93.95 us

$ 142.89 cdn

81380 Bearing housing o-ring

81380 O ring

23
81380
 O-ring (In seal kit)

23510 M outdrive Shims

24
235X0
 Shim .003″ – .005″

$5.00 us

$6.00 cdn

21645 T Thrust washer

25
21645
 Thrust washer

$9.95 us

$ 6.89 cdn

16330 t thrust bearing

26
16330
 Thrust bearing

$29.95 us

$ 49.89 cdn

12962 T Plug

27
12962
 Plug

$5.00 us

$ 5.89 cdn

22406 T Lower drive shaft omc parts

28
22406
 Lower drive shaft

$351.95 us

$ 256.89 cdn
11190 Pinion nut

11190 Pinion Nut

29
11190
 Nut

$5.00 us

$5.89 cdn