OMC Parts Drawing *Cobra *Mercruiser *Alpha SEI Outdrives
OMC Cobra lower unit S.E.I. sterndrive
Remanufactured and new S.E.I. OMC Cobra lower units gearcases and repair prices
Last updated on 9/24/2023
- Replaces OMC #987800
- 90 day warranty with full technical phone support
- Housing comes sandblasted, primed and finished with original color paint (OMC Cobra charcoal metallic)
- Assembled with all new parts – including OEM gear set #987670
- Updated shift detent installed
- Comes with outdrive installation gasket kit, gasket sealing compound and lower unit oil pump
- 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)
- See repair prices below
- Please see our parts breakdown page for more pricing information
- Sending your unit to us for repair
Remanufactured and rebuilt prices below
OMC Cobra sterndrive
$1595.00 US
*Includes all new parts
$1993.00 CDN
*Includes all new parts
New gears, clutch dog, prop shaft, drive shaft, bearings and seals installed in all of our remanufactured lower units
Repair Prices Below
Customers who ordered OMC Cobra lower unit also ordered the following items
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