Rebuilt OMC Cobra sterndrive *Upper *Lower gearcase

OMC re-manufactured used gear cases

Last updated on 10/8/2023, 1:38:10 PM

  • Cobra outdrive years (1986 to 1993)
  • Repair manual
  • Choose from new, rebuilt re-manufactured or used Cobra OMC upper gear cases and lower units
  • All gear ratios available (including discontinued 21/21 ratio for 4 cylinder 3.0 litre years 1990 to 1993)
  • Large gear housing for V6, V8 and 3.0L (1990 to 1993) or small gear housing for 4 cylinder 2.3L and 3.0L years (1986 to 1989)
  • All V6 / V8 lower units come installed with new Bombardier (BRP) OEM gear sets, 4 cylinder installed with GLM 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 or to order a new or rebuilt gear case contact our gear case order line: (416) 751-7326
Fully Remanufactured / Rebuilt Units
$1599.99 – $1625.95 (all ratios)

 

OMC Cobra outdrive
(21:16) 5.7L 350 Chevy, 5.8L 351 Ford V8 $1599.99
(21:17) 5.0L 305 Chevy, 5.8L 351 Ford EFI, 7.5L 460 Ford $1599.99

(21:19) 4.3L 262 Chevy V6 $1589.95

(21:18) 5.0L 302 Ford V8, 4 cylinder 2.5L, 3.0L (1986-1989) $1625.95

Rebuilt Prices

Used Gearcases and Empty housings

Repair Prices

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

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

Brand new from manufacturer, aftermarket SE109 lower unit $1449.89
V6 and V8 models only, 4.3L V6, 5.0L V8, 5.7L V8, 5.8L V8 1986-1992. This unit is NOT compatible with 4 cylinder small cases, or King Cobra / Cobra SX models. This unit has a heavier duty thicker propeller shaft, and comes with an updated thrust washer. 3 year manufacturer warranty on this unit.

 

3.0L (1990 and up), all V6 and V8 motors (except 460 Ford)

New Units

Rebuilt Prices

Repair Prices

Rebuild Kits

Remanufactured by TC Electronics Marine, rebuilt lower unit $1599.89
V6 and V8 models only, 4.3L V6, 5.0L V8, 5.7L V8, 5.8L V8 1986-1992. This unit is NOT compatible with 4 cylinder small cases, or King Cobra / Cobra SX models. This unit comes installed with original OE OMC gears, and all new GLM shafts, bearings, bearing housings and seals. Core deposit/trade in required.

987670 (OEM BRP) forward / pinion gear set $799.89
22625 Clutch dog / 915272 $97.95
21610 Pinion bearing / 387817 $43.89
27770 Bearing housing / 984462 $109.89
12774 Front anode / 3853818 $27.89
27750 Cover seal and assembly / 986838 $49.89
87656 Seal kit with oil seals, o rings and gaskets / 984458 $67.89
22910 Forward gear bearing / 389039 $61.89
22870 Reverse gear bearing / 382407 $16.89
11410 Prop shaft bearing / 387247 $19.89
22414 Prop shaft 1-3/16″ / 395209 $374.95
23510 Shims / 314745 $4.89
12737 Rear anode / 431708 $12.89
11052 Clutch spring / 324369 $4.89
21642 Thrust washer / 314731 $16.89
21645 Thrust washer / 327656 $16.89
27720 Shift detente (updated detente assists in easier shifting) / 915954 $57.89
16330 Thrust bearing / 387656 $29.89
16300 Thrust bearing / 382408 $9.89