OMC Parts / OMC Cobra Stern Drive Tech Drawings

OMC Cobra outdrive
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Rebuilt / New OMC Cobra outdrives

  • OMC Cobra outdrive (1986 thru 1993)
  • Choose from new, rebuilt remanufactured or used Cobra OMC stern drive upper gear cases and lower units
  • All gear ratios available (including discontinued 21/21 ratio for 4 cylinder 3.0L 1990 thru 1993)
  • Large gear housing for V6, V8 and 3.0L (1990 thru 1993) or small gear housing for 4 cylinder 2.3L and 3.0L (1986 thru 1989)
  • All lower units come installed with new Bombardier (BRP) OEM gear sets
  • Installed with new propeller shaft and prop shaft Torrington bearing complete with seals
  • Full technical help available by phone on all gear case purchases
  • See our lower unit repair page or outdrive repair tools page for more tech help
To order a new or rebuilt gear case contact our 24 hour gear case order line: (647) 710-3787

OMC Cobra outdrive
L omc cobra outdrive.jpg
Click photo for more info

Cobra OMC sterndrive
L-Cobra OMC sterndrive.jpg
Click photo for more info

Value of new parts installed in rebuilt upper gearcase $1213.90 (as listed below)

Value of new parts installed in rebuilt lower unit $1251.91 (as listed below)

  • Cobra outdrive gear set OEM #983825, #983826, #984012, #983835 $591.89
  • #21540 Driven gear bearing OEM #983891 $28.89
  • #21541 Bearing carrier bearing OEM #983892 $37.89
  • #28320 Water pump shaft OEM #984264 $245.89
  • #21542 Bearing for front bearing carrier OEM #983877 $61.89
  • #12092 Outdrive water pump housing and impeller with seals OEM #N/A $41.89
  • #27900 Water pump adapter OEM #911699 $75.89
  • #28460 Pinion nut for driven gear OEM #911753 $23.89
  • #28404 Top cover assembly OEM #914489 $71.89
  • #87654 Seal kit with o-rings and gaskets OEM #987603 $33.89

  • #987670 (OEM BRP) OMC sterndrive forward / pinion gear set $479.89
  • #22625 Clutch dog OEM #915272 $95.89
  • #21610 Pinion bearing OEM #387817 $29.89
  • #27770 Bearing housing OEM #984462 $79.89
  • #12774 Front anode OEM #3853818 $18.89
  • #27750 Cover seal and assembly OEM #986838 $35.89
  • #87656 Seal kit with oil seals, o-rings and gaskets OEM #984458 $50.89
  • #22910 Forward gear bearing OEM #389039 $53.89
  • #22870 Reverse gear bearing OEM #382407 $13.89
  • #11410 Prop shaft bearing OEM #387247 $9.89
  • #22414 Sterndrive prop shaft 1-3/16" OEM #395209 $260.89
  • #23510 Shims OEM #314745 $4.89
  • #12737 Rear anode OEM #431708 $10.89
  • #11052 Clutch spring OEM #324369 $4.89
  • #21642 Thurst washer OEM #314731 $10.89
  • #21645 Thurst washer OEM #327656 $6.89
  • #27720 Shift detente (updated detente assists in easier shifting) OEM #915954 $54.89
  • #16330 Thrust bearing OEM #387656 $23.89
  • #16300 Thrust bearing OEM #382408 $4.89

OMC help and technical support line number is (416) 751-7326

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