OMC Parts / OMC Cobra Stern Drive Tech Drawings

OMC Cobra upper gearcase parts drawing 1986-1992

T.C.Electronics / Marine Home Page
OMC help me page
Sitemap
Cobra series videos
400-800 series videos
OMC Cobra Q&A help
OMC 800 Q&A help
Cobra rebuilt upper / lower sterndrives
1978 -1985 800 lower rebuild kit
1986-1993 Cobra lower unit rebuild kit
800 Repair cost lower gearcase
800 or Stringer rebuilt upper / lower sterndrives
1972-1977 Electric shift lower unit
Shipping and customs information
International shipping rates by FedEx
Return Policy
Core Return / Deposit
Sending gear case in for repair
Contact us
Aluminum propellers
Aluminum - boat - trailer - mobile welder Toronto area
400 / 800 Steering information
Suggested items for Cobra lower unit repair
1978 thru 1986 Tilt motor
1967 thru 1977 Tilt motor
OMC seal kits
400 / 800 Stringer OMC Parts Upper gearcase
400 / 800 Series Replacement Gearcases
400 / 800 Water pump drawing
400 / 800 Tech Support (Gears)
400 / 800 Electric Shift Cable
400 / 800 Tru-Course Steering
400 / 800 Stringer Water Pump Components
400 / 800 Lower Gearcase Components
400-800 Lower Gears Clutch Dog
1986 thru 1992 Components Lower Gearcase
1986 thru 1992 Gears Upper Gearcase
1985 thru 1995 Serial / Model Number
1978 to 1981 Hydraulic Assist Gear Ratio Chart
1973 - 1977 Electric Shift Gear Ratio Chart
1981 to 1985 Gear Ratio Chart
1986 thru 1992 Gears Lower Gearcase Chart / Shafts
1986-1992 Transom Components
1985 thru 1995 Propeller Hardware
Ball gears
Boating fishing magazine links
Carburetor Fuel Filters
Carburetor kits
Cbr. upper gearcase repair kit
Cbr. components Upper Gearcase
Comments left on eBay about T.C.Electronics
Distributor Cap
Engine tune up and electrical
Engine thermostat kits
Engine thermostat housing
Electronic conversion kits
Engine Fuel Filter
Engine Water Pump Gaskets
Evinrude Johnson outboard repair manuals
engine coupler
Engine water pumps
Engine gasket rebuild kits Ford - Chevy
Exhaust bellow
Exhaust Gaskets
Gimbal bearing
GM 5.7 litre engine manifold 1990 up
High / Low Profile Stringer gearcase
Ignition Coils
Intermediate housing components
King (7.5L) gear set chart
King (7.5L) lower unit components
Johnson outboard parts warehouse
Marine Engine Fuel Pumps
Mercury warehouse
Mercruiser parts warehouse
Mercruiser Repair Manual Components
Newsletter 1986 thru 1992 repair techniques upper gear case
Oil seal Stringer upper gearcase
Manifold Chevy and Ford marine engine
OMC Cobra Water Pump
Propeller hardware 800 / 400 series
Repairs or trade-in shipping address
Stern drive troubleshooting starts with carburetor
Stringer Stern Drive Chart 1973 to 1986
Stringer electric shift 1972-77 components
Stringer oil seals application
Starter Solenoids
Sterndrive Repair Manuals
Stringer electric shift switch
transom service kit
Trim sender
Trim Solenoids
Used 1986 - 1993 components
Used 400/800 stringer components
Voltage Regulators
Volvo Penta Warehouse
Yamaha warehouse
GLM Marine product warranty
Oil pump
Boat trailer accessories
800 series upper gearcase repair cost
Drive shafts 400 800 and stringer
ujoint & water pump shaft
U-joints
302-351 V8 Ford engine manifold
Chrysler / Force warehouse
Boat accessories
Bearing component locations
1986-1992 layout lower gearcase
1986 thru 1993 Rebuilt upper gearcase
Rebuild kits

OMC Cobra upper gearcase exploded parts drawing

Click Here for OMC outdrive parts from drawing
cobra_upper_gear_case_layout_2.jpg
Click Here to purchase OMC Cobra parts
  • Exploded drawing shows internal OMC cobra parts and their relationship with other stern drive units
  • Detailed step by step stern drive illustrations will aid making repairs to OMC outdrives
  • If help is required, contact our service tech for help with your OMC stern drive repair at (416) 751-7326
  • Please have horsepower and year of stern drive boat ready when calling
  • Print page to save OMC Cobra parts listing

Photos
Item #
OMC parts description
T Cobra upper gearcase 1.jpg
Cobra upper gearcase
T Cobra upper gearcase rebuilt.jpg
Cobra upper gearcase rebuilt
# 1a

New upper gear housing assembly $1795.29


Please see our
Cobra complete upper gearcase page for a complete selection of upper gear housing assemblies

 
# 1b

Used Cobra upper unit $1195.09 with trade in please see our used OMC cobra upper gear case page

T Rebuilt OMC Cobra upper gearcase.jpg
Rebuilt OMC Cobra upper gearcase
# 1c

Rebuilt Cobra upper gear housing assembly $1495.29 with trade in please see our rebuilt upper gearcase page

T-OMC-Cobra-upper-gearcase.jpg
Cobra upper gearcase rebuilt
# 1d

# 29900 New upper gear case housing (Empty)
OEM # 984518
$709.09

T OMC Cobra upper assembly kit 21-16.jpg
OMC Cobra upper assembly kit
# 1b

# 22-522-2 OMC Cobra complete 21/16 upper gear set assembly kit for 5.7 marine engine 1986 thru 1993 $1130.09

T OMC Cobra upper assembly kit 21-17.jpg
OMC Cobra upper assembly kit 21-17
# 1c

# 22-532-2 OMC Cobra complete 21/17 upper gearset assembly kit kit for 5.0 litre Chevy marine engine 1986 thru 1993 $1130.09

T OMC Cobra upper assembly kit 21-18.jpg
OMC Cobra upper assembly kit 21-18
# 1d

# 22-562-2 OMC Cobra and OMC King Cobra before 1988 complete 21/18 upper gear set assembly kit for 5.0 V8 Ford or 3.0 litre 4-cylinder small hub lower unit marine engine years 1986 thru $1130.09

T OMC Cobra upper assembly kit 21-19.jpg
OMC Cobra upper assembly kit 21-19
# 1e

# 22-542-2 OMC Cobra complete 21/19 upper gear set assembly kit for 4.3 litre V6 marine engine years 1986 thru 1995 $1130.09

T 87654 Upper gearcase seal kit.jpg
# 87654 Gearcase seal kit
Included in seal kit
7 #81180 O-Ring
12 #86530 Oil seal
13 #82380 O-Ring
18 #34771 Gasket
19 #82430 O-Ring 
20 #81280 O-Ring
21 #86610 Oil seal
27 #34730 Gasket
28 #33910 Gasket
29 # 81100 O-Ring

# 87654  Seal kit OEM # 987603 986364  $35.09 
   

T 12092 Aftermarket water pump kit.jpg
12092 Aftermarket water pump kit
In water pump kit
23 Wear plate
24 #89950 Impeller
25 #12391 Pump
26 #86630 Seal
30 Pump hsg.
22 #34770 Gasket

# 12092  Water pump kit   $48.09 
 

 

T 22520 Aftermarket gears ratio 21-16.jpg
22520 Aftermarket gears ratio 21-16
# 2

# 22520  Gear set (21:16 ratio) V8
OEM # 983825  $609.09 
   

T 22560 Gear set ratio 21-18.jpg
22560 Gear set ratio 21-18
# 2

# 22560  Gear set (21:18 ratio) V8 
OEM # 983826 
$629.09 
   

T 22540 Aftermarket gears V6 ratio 21-19.jpg
22540 Aftermarket gears V6 ratio 21-19
# 2

# 22540  Gear set (21:19 ratio) V6 
OEM # 984012 
$616.09 
   

T 22540 Aftermarket gears V6 ratio 21-19.jpg
22540 Aftermarket gears V6 ratio 21-19
# 2

# 22544 21/17 Gear set V8 5.0L 305 Chevy
5.8L 351 E.F.I. Ford 7.5L 460 FORD V8
OEM # 983635
$598.09

T 21540 Bearing.jpg
21540 Bearing
# 3

# 21540  Bearing 
OEM # 983891
$34.09

T 21541 Bearing.jpg
21541 Bearing
# 4

# 21541  Bearing  
OEM # 983892
$41.09 
   

T-28460-Pinion-Nut.jpg
#28460 Pinion nut
# 5

# 28460  Pinion nut 
OEM # 911753 
$29.09 
   

T-28325-U-joint-water-pump-assembly.jpg
28325 U-joint-water pump assembly
# 6

# 28325 Drive shaft-U-joint and water pump shaft assembly
OEM # 983880
$413.09
 

T-28315-Long-Yoke.jpg
#28315 Yoke
# 8

# 28315  Yoke drive shaft
OEM # 912212   $100.09 
   

T-28030-u-joint.jpg
# 28030 U-joint
# 9

# 28030  U-joint heavy duty OEM #915717 $45.09 
   

 
# 10

#28100   Socket 
OEM # 3852565   $42.09 
   

T-28320 Water Pump Shaft.jpg
28320 Water Pump Shaft
# 11

# 28320  Yoke & water pump shaft
OEM # 984264  
$245.09 
   

T 21542 Bearing-.jpg
21542 Bearing
# 14

# 21542   Bearing
OEM # 983877  
$65.09 
   

T 22525 Centering cone OEM 912029.jpg
22525 Centering cone OEM 912029
#15

# 22525   Centering cone
OEM # 912029  
$28.09 
   

T-28470-cobra-u-joint-drive-nut.jpg
#28470 U-joint nut
#16

# 28470   U-joint nut
OEM # 911937  
$17.09 
   

T-21543-Bearing-cobra-water-pump-end.jpg
#21543 Bearing
#17

# 21543   Bearing
OEM # 983878  
$41.09

T-89950-Impeller-aftermarket.jpg
#89950 Impeller
#24

# 89950   Impeller
OEM # 983895  
$13.09
In water pump kit # 12092
 
   

 
#27

# 39630   Outdrive gasket installation kit OEM # 508105  $5.09
   

T-12405-pump-housing-aftermarket.jpg
#12405 Pump housing
#30

# 12405   Pump housing
OEM # 984744  
$23.09 
In water pump kit # 12092
   

T 21676 Washer.jpg
21676 Washer
#31

# 21676   Washer
OEM # 911697  
$4.09 
   

 
#32

# 23202   Retainer
OEM # 911752  
$10.09 
   

T 21111 Cover Nut.jpg
21111 Cover Nut.
#33

# 21111   Cover nut
OEM # 911751  
$55.09 
   

T-27800-Bearing-Carrier-pinion-gear.jpg
#27800 Bearing carrier
#34

# 27800   Bearing carrier
OEM # 911750  
$78.09 
   

T-27900-Water-pump-adaptor-seal.jpg
#27900 Water pump adapter
#35

# 27900   Water pump adapter
OEM # 911699  
$75.09 
   

T-27920-bearing-carrier-u-joint.jpg
#27920 Bearing carrier
#36

# 27920   Bearing carrier
OEM # 911683  
$72.09 
   

 
#37

# 82480   O-Ring (5 units)
OEM # 313175 
10.09 
   

T-28404-cobra-cover-o-ring-2.jpg
#28404 Cobra cover assembly
#38

# 28404   Cover assembly
OEM # 914489  
$71.09 
   

T-28406-Aftermarket-OMC-parts-top.jpg
#28406 Cobra top
#39

# 28406   Cover assembly
OEM # 983967  
$58.09 
   

T-12661-Thrust-plate.jpg
#12661 Thrust plate (Port)
#40

# 12661 Thrust plate (Port)
OEM # 3582562
$4.09 
 

T-12662-Thrust-plate.jpg
#12662 Thrust plate (Stbd.)
#41

# 12662 Thrust plate (Stbd.)
OEM # 3582562
$4.09 
 

 
#42

# 23360 Shim
OEM # 3852563
$4.09 

T-28408-cover-assembly.jpg
#28408 Cover assembly
#43

# 28408 Cover assembly
OEM # 911734
$37.09 

 
#44

# 21773 Retainer ring
OEM # 910953
$4.09 

 
#45

# 23361 Shim 0.003"
OEM # 911678
$4.09 

T-23362-shim-.004.jpg
#23362 Shim 0.004"
#45

# 23362 Shim 0.004"
OEM # 911679
$4.09

T-23363-shim-.005.jpg
#23363 Shim 0.005"
#45

# 23363 Shim 0.005"
OEM # 911680
$4.09

T-23364-shim-.010-4.95.jpg
#23364 Shim 0.010"
#45

# 23364 Shim 0.010"
OEM # 911681
$4.09 

T-47010-Vent-tube.jpg
#47010 Vent hose
#47

# 47010 Vent hose
OEM # 912614
$12.09 

T-22385-T-Screw.jpg
#22385 Screw
#48

# 22385 Screw
OEM # 912238
$13.09 
 

T-22386-T-Screw.jpg
#22386 Screw
#49

# 22386 Screw
OEM # 911859
$4.09

T-22387-T-Screw.jpg
#22387 Screw
#50

# 22387 Screw
OEM # 123018
$9.09

 
#51

# 21732 Dipstick
OEM # 914488
$26.09

T-23371-shim-.003.jpg
#23371 Shim 0.003"
#52

# 23371 Shim 0.003"
OEM # 911662
$4.09 

T-23372-.005-shim.jpg
#23372 Shim 0.005"
#52

# 23372 Shim 0.007"
OEM # 911663
$4.09

T-23374-.010-shim.jpg
#23374 Shim 0.010"
#52

# 23374 Shim 0.012"
OEM # 911665
$4.09

T-23376-Upper-rear-shim-.015.jpg
#23376 Shim 0.015
#52

# 23376 Shim 0.010"
OEM # 911667 $4.09

T-23381-Shim.jpg
#23381 Shim
#53

# 23381 Shim 0.001"
OEM # 911668
$4.09

 
#53

# 23383 Shim 0.003" $4.09