Cobra sterndrive *800 OMC parts *Mercruiser outdrive videos

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OMC Cobra parts diagram photos 34-53

GLM aftermarket upper gearcase exploded view parts layout
Drawing numbers 34 to 53 years 1986 to 1992

  • Exploded drawing shows internal parts and their relationship with the outdrive.
  • Pump housing to shims
  • Exploded View OMC Cobra lower gearcase drawings search by part number or description here

upper gear case layout

upper gear case layout

27800 Bearing Carrier
27800 Bearing Carrier

Item 34
P/N 27800
Bearing carrier 911750 $76.99

27900 OMC Water pump adapter seal
27900 OMC Water pump adapter seal

Item 35

P/N 27900
Water pump adapter 911699 $95.99

Modified water pump adapter
Modified water pump adapter
Adapter with seal
Adapter with seal
86610 Oil seal

86610 Oil seal

Item 35B

P/N 27900-MOD
New water pump adapter with 2 oil seals installed OEM number N/A $169.89

Used for installing water pump adapter on outdrive thats still on boat
Please see video that show repair being done.

Best to fill outdrive with 6-10 lbs of air and spray water pump area with 1/2 water and 1/2 dish detergent to locate leak.

Remember to purchase OMC / Evinrude / Johnson outboard gasket sealing compound and 609 or 680 loctite for oil seal as per video instructions.

27920 OMC Bearing Carrier
27920 OMC Bearing Carrier

Item 36

P/N 27920
Bearing carrier 911683 $115.89

82480 OMC O-ring

82480 OMC O-ring

Item 37

P/N 82480
O-Ring (1 unit) 313175 $5.89

28404 cover
28404 cover
Item 38

P/N 28404
Cover assembly with o-ring 914489 $96.89

28406 OMC Cover assembly
28406 OMC Cover assembly
Item 39

P/N 28406
Cover assembly 983967 N/A
12661 Thrust plate
12661 Thrust plate
Item 40

P/N 12661 Thrust plate (Port) 3582562 $9.89

12662 OMC plastic thrust plate
12662 OMC plastic thrust plate
Item 41

P/N 12662 Thrust plate (Starboard side) 3582562 $9.89

23360 OMC Shim

23360 OMC Shim

Item 42

P/N 23360 Shim 3852563 $8.89

28408 Cover assembly
28408 Cover assembly

Item 43

P/N 28408 Cover assembly 911734 $46.89

21773 OMC Retainer ring

21773 OMC Retainer ring

Item 44

P/N 21773 Retainer ring 910953 $4.95

23364 shim .010
23364 shim .010
23363
23363
Item 45
P/N 23361 metal shims 0.003" 911678 $6.89

P/N 23362 0.004" 911679 $6.89

P/N 23363 0.005" 911680 $6.89

P/N 23364 0.010" #911681 $6.89

22384
22384
Item 46
P/N 22384 Water pump adaptor screw 3852454 $6.89

47010 Vent tube
47010 Vent tube
Item 47
P/N 47010 Impeller vent hose 912614 $16.89

22385
22385
Item 48
P/N 22385 Screw 912238 $18.89

22386
22386
Item 49
P/N 22386 Screw 911859 $4.89

22387 Screw
22387 Screw
Item 49

P/N 22387 Screw 123018 $11.89

21732 OMC dipstick

21732 OMC dipstick

Item 51

P/N 21732 Dipstick 914488 $34.89

23371
23371
Item 52
P/N 23371 0.003" 911662 $6.99

Item 52
P/N 23372
0.005" 911663 $6.89

Item 52
P/N 23373
 0.007" 911664 $6.89

Item 52
P/N 23374 0.010" 911665 $6.89

Item 52
P/N 23376 0.015" 911667 $6.89

23381
23381
Item 53
P/N 23381
0.010" 911668 $6.95

Item 53
P/N 23383 0.003" (5) $13.95