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OMC 800/Cobra parts *Sterndrive drawings *How to videos

OMC water pump kit *How to Cobra outdrive repair videos

GLM aftermarket water pump and sterndrive repair video
3.0 to 5.8 litre 400-800 Cobra outdrives

  • OMC Cobra water pump video and exploded view parts drawing 18-48
  • OMC 400-800 Stringer repair parts.

Exploded View Drawings

Search by part number or description here

This site  The Web 

drawing parts 18 to 48
drawing parts 18 to 48

12092
12092

P/N 12092 Complete kit with housing. $41.00

Click below link for Cobra water pump removal or installation photos
Water pump photo
removal page see http://www.sterndrive.info/id341.html

*Water pump photo installation page see http://www.sterndrive.info/water_pump_installation.html

Includes:
P/N 86630 OEM 911704 O ring type outside seal area
P/N 12391 OEM 911844 Water pump liner
P/N 89950 OEM 777128 Impeller
P/N 12760 OEM 911703 Wear plate
P/N 34770 OEM 911702 Gasket
P/N 12405 OEM 984744 Water pump housing

Please see installation video before installing kit.

Water pump service kit
Water pump service kit

P/N 12091 Impeller service kit with out housing. OEM 984461 $40.09

Includes:
P/N 86630 OEM 911704 O ring type outside seal area
P/N 12391 OEM 911844 Water pump liner
P/N 89950 OEM 777128 Impeller
P/N 12760 OEM 911703 Wear plate
P/N 34770 OEM Gasket 911702

Note: requires OMC/Johnson gasket compound please see installation video before installing kit.

89950 Impeller aftermarket OMC part
89950 Impeller aftermarket OMC part

Item 24
P/N 89950
OMC Cobra water pump
impeller OEM 983895 $13.09

Note impeller should be coated with wheel bearing grease before installation take place.
This included top, bottom and fin area.

OMC/Johnson/Evinrude gasket compound needs to be added to o ring before inserting water pump case.

12391 liner
12391 liner

Item 25
P/N 12391 OEM 911844 Stainless steel liner $16.95

12405 housing
12405 housing

Item 30
P/N 12405 Pump housing. OEM 984744 $23.09

Note: Does not include pump liner P/N 12391 and will require grease and gasket compound before installing impeller. 

12760 Wear plate
12760 Wear plate

Item 23
P/N 12760 Stainless steel wear plate OEM 911703

34770
34770

Item 22
P/N 34770 Gasket OEM 911702

86630
86630

Item 26
P/N 86630
Water pump seal OEM 911704

47010 Vent tube
47010 Vent tube

Item 47
P/N 47010 Vent tube. OEM 912614 $12.09

Note: Best to use tie wrap on pump area and gasket compound on gear-case hole.

27900 adaptor seal
27900 adaptor seal

P/N 27900 Adaptor with parts as listed below.
OEM 911699 $75.09

Includes:
P/N 86610 Oil seal OEM 916058
P/N 81280 O ring OEM 909316 (smaller bearing area)
P/N 82430 O ring OEM 911700 (larger gear case area)
P/N 34771 Gasket OEM 911698

Note: Gasket requires OMC/Johnson gasket compound.

82430 O ring
82430 O ring

Item 19
P/N 82430 O ring (5 units) for adaptor OEM 911700 (larger gear case outside area) $8.95

81280
81280

Item 20
P/N 81280 O ring (5 units) OEM 909316 (smaller bearing area) $7.95

86610 OMC Cobra oil seal
86610 OMC Cobra oil seal

Item 21
P/N 86610
OMC Cobra oil seal for water pump adapter.

Note installation requires 609 or 680 Loctite.

34771
34771

Item 18
P/N 34771
Gasket for water pump adapter OEM 911698 $9.95

22385 screw
22385 screw

Item 48
P/N 22385 Stainless steel screw. OEM 912238 $13.09

Note: Best to use Loctite copper anti seizes on full length of bolt. (3 required)

22384
22384

Item 46
P/N 22384
Stainless steel screw 5/16 X 1 inch OEM 3852454 $8.09

Note: Best to use Loctite copper anti seizes on full length of bolt. (2 required)

12960 Copper tube
12960 Copper tube

P/N 12960 Copper pump tube OEM 911706 $23.09

Note: Use Loctite 680 or 609 in upper gear-case (seal tube P/N 86620) to hold copper tube in place during installation.

28320 Shaft
28320 Shaft

P/N 28320 Yoke and water pump impeller shaft. OEM-984264 $245.09

Note: Install and shim for per-load before installing (water pump adapter P/N 27900) so oil seal is not damaged.

87654 Seal kit with seal gasket
87654 Seal kit with seal gasket

P/N 87654 Upper gear-case seal kit with pump, seals and gaskets. OEM 987603 $35.09

Includes:
P/N 34730 Gasket for transom OEM 915850
P/N 34771 Gasket for water pump adapter OEM 911698
P/N 33910 Gasket for water pocket cover OEM 911733
P/N 34770 Gasket for pump wear plate OEM 911702
P/N 33960 Gasket for shift cover OEM 911878
P/N 86300 Seal for transom OEM 911823
P/N 86620 Seal for copper tube (2 units) OEM 911705
P/N 86630 Seal for pump housing OEM 911704
P/N 86530 Oil seal for u-joint/pump shaft OEM 911685
P/N 86610 Oil seal for pump adapter OEM 916058
P/N 81180 O rings for engine yoke shaft (2 units) OEM 911851
P/N 82380 O ring for carrier OEM 911686
P/N 82480 O ring for top cover OEM 313175
P/N 81100 O ring for dipstick OEM 329381
P/N 82370 O ring for front bearing OEM 3852308
P/N 82430 O ring large for pump adapter OEM 911700
P/N 61280 O ring small for pump adapter OEM 909316

12190 400-800 stern drive OEM 983218
12190 400-800 stern drive OEM 983218

OMC stern drive water pump

P/N 12190 Complete kit with housing. $71.00
Click here to watch 400-800 installation video

Includes:
P/N 86100 Drive shaft seal OEM 907774
P/N 12590 Water pump plate OEM 313176
P/N 89760 Impeller OEM 379475
P/N 12390 Water pump housing OEM 983298
P/N 82520 O ring OEM 308928
P/N 81160 O ring OEM 310585
P/N 80220 O ring OEM 314491
P/N 12590 Water pump plate OEM 313176

Note: Thick gasket compound or silicon will be required to stop exhaust vapor from entering the pump impeller area. Best to look at 400-800 Stringer video installation before installing.

89760
89760

P/N 89760 Impeller OEM 379475 $23.29

12390 GLM Marine aftermarket housing
12390 GLM Marine aftermarket housing

P/N 12390 Housing OEM 983298 $45.29

12590 plate
12590 plate

P/N 12590 Stainless steel water pump plate OEM 313176 (included in water pump kit P/N 12190)

22202 bolts
22202 bolts

P/N 22202 Stringer low profile stern drive bolts, set of four. $23.09

22411 drive shaft high profile
22411 drive shaft high profile

P/N 22411 High profile drive shaft years 1968-1972 OEM 908087 $181.09

22410
22410

P/N 22411 Low profile drive shaft years 1972 to 1985 OEM 909753

80220 O ring
80220 O ring

P/N 80220 O ring for inside of water pump shaft on the female spline end. OEM 314491 (5 unit) $4.95

Note requires grease on o ring and spline area.

89595 Stainless steel half moon key
89595 Stainless steel half moon key

P/N 89595 Stainless steel half moon key. Note key must be ordered separate and is not included in kits listed above. $5.95

Key requires Loctite 609 or 680 to hold in place on shaft. (Bottom half of key only)  

Gasket and retaining compounds

60905 Loctite retaining .5 ml
60905 Loctite retaining .5 ml

P/N 60905 Loctite retaining compound .5 ml tube. $8.15

Note: Tube will cover one Cobra upper gear-case set of oil seals, copper water pump tube area and rubber water tube gaskets.

Will cover one 400-800 upper gear-case seal area. The 400-800 water pump area only requires 609 or 680 on the 1/4 moon key to hold unit in the water pump shaft of both high and low profile 1968 to 1977 outdrives.

Evinrude-Johnson gasket sealing compound
Evinrude-Johnson gasket sealing compound

Evinrude-Johnson gasket sealing compound $29.95

327361 Gel Seal 2 sealant 50 ml
327361 Gel Seal 2 sealant 50 ml

P/N 327361 Gel Seal 2 sealant 50 ml.

Can be used on 800 water pump area please see video for installation

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