OMC Parts Drawing *Cobra *Mercruiser *Alpha SEI Outdrives
OMC Cobra *New upper gearcases V4 V6 V8
Replacement New Aftermarket GLM Marine OMC Cobra Upper Gearcase assembly V4 V6 V8 Chevy GM
Last updated on 10/27/2023
- Replaces OMC #986381, 988844, 986382, 983826
- New GLM Marine aftermarket upper gearcase assembly with u-joint and drive shaft installed
- 1 year warranty
- Gear ratios 21/17, 21/19, 21/16, 21/18: Call/email for current availability
- 100% brand new case and parts from manufacturer warehouse
- Comes with outdrive installation gasket kit
- Compatible with 3.0L Chevy (1990 – 1993), 4.3L 262, 5.0L 305, 5.7L 350 Chevy, 5.0L 302, 5.8L 351 Ford (1986 – 1993)
- Rebuilt unit with new parts also available
New and rebuilt prices below
*New OMC Cobra upper gearcase sterndrives
*New – with drive shaft
21/17 Gear ratio, for 5.0L 305 Chevy, 5.8L EFI 302 Ford, 7.5L 460 Ford King Cobra (1987-1989)
$1999.89 US
*Call / email for all other gear ratio availability
*New – with drive shaft
21/17 Gear ratio, for 5.0L 305 Chevy, 5.8L EFI 302 Ford, 7.5L 460 Ford King Cobra (1987-1989)
$2699.89 CDN
*Call / email for all other gear ratio availability
*Rebuilt* Upper Gearcase Pricing
Below
All rebuilt units come installed with brand new internal parts – gears, bearings, seals, water pump, impeller shaft, bearing housing. External housing is reconditioned. Rebuilt units do not include u-joints or output drive shaft.
$1599.89 US or $2159.89 CDN
*Rebuilt – does NOT include drive shaft and u-joints
21/17 Gear ratio, for 5.0L 305 Chevy, 5.8L EFI 302 Ford, 7.5L 460 Ford King Cobra (1987-1989)
$1999.89 US
*Rebuilt – does NOT include drive shaft and u-joints
21/17 Gear ratio, for 5.0L 305 Chevy, 5.8L EFI 302 Ford, 7.5L 460 Ford King Cobra (1987-1989)
$1999.89 US
*Rebuilt – does NOT include drive shaft and u-joints
21/17 Gear ratio, for 5.0L 305 Chevy, 5.8L EFI 302 Ford, 7.5L 460 Ford King Cobra (1987-1989)
$1999.89 US
*Rebuilt – does NOT include drive shaft and u-joints
21/17 Gear ratio, for 5.0L 305 Chevy, 5.8L EFI 302 Ford, 7.5L 460 Ford King Cobra (1987-1989)
$1999.89 US
*Rebuilt – does NOT include drive shaft and u-joints
21/17 Gear ratio, for 5.0L 305 Chevy, 5.8L EFI 302 Ford, 7.5L 460 Ford King Cobra (1987-1989)
$1999.89 US
*Rebuilt – does NOT include drive shaft and u-joints
21/17 Gear ratio, for 5.0L 305 Chevy, 5.8L EFI 302 Ford, 7.5L 460 Ford King Cobra (1987-1989)
$1999.89 US
(Includes all labor and seals)
*Note – Additional parts may be required on top of basic repair.
Please see parts breakdown page for additional part pricing.
Johnson gasket compound 508235
$24.95 US
$32.95 CDN
12092 Cobra water pump kit
$50.95 USD
$64.95 CDN
12962 Transom bellows
P/N 21962
Transom bellows kit
$149.95 US
P/N 21962
$194.95 CDN
90095 Bearing Carrier Puller
# 90095 $90.95 us
# 90095
$118.95 cdn
87654 Upper gearcase seal kit 4 cylinder-V6-V8 1986-1993
P/N 87654O
OMC Cobra Seal Kit
$41.95 US
P/N 87654
$54.95 CDN
90295 Removal and installation tool
# 90295 $86.95 us
# 90295
$112.95 us
OMC outdrive lower unit pump
# 401 $9.95 us
# 401
$12.95 cdn
89950 OMC Cobra impeller
P/N 89950
Water pump impeller
$14.95 US
P/N 89950
$18.95 CDN