Cobra sterndrive *800 OMC parts *Mercruiser outdrive videos

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400 lower unit 3-3/4 hub OMC Parts drawing 49-72

400 series 3-3/4 inch hub lower gearcase exploded view component drawing

OMC 400 lower unit drawing
OMC stern drive exploded view drawing

22630 Gears set and clutch dog
22630 Gears set and clutch dog

Item A
P/N 22630 Pinion-forward and reverse gears with clutch dog with 13:26 gear ratio OEM 986979 $577.95

87640 4 cylinder 1978-86 seal kit
87640 4 cylinder 1978-86 seal kit
Item B
P/N 87640 Lower unit gear case seal kit 4 cylinder years 1978-1986 4 cylinder years 1978-1986 / 982947 $46.95

21180 lock nuts
21180 lock nuts
Item 49
P/N 21180
Nuts, 5 Units. / 121731 $9.95

23590 Shims
23590 Shims
Item 54
P/N 23590
Shim .003 / 323362 $5.95

23580 OMC shim
23580 OMC shim
Item 54
P/N 23580
Shim .004 / 323361 $7.95

23510 OMC shim
23510 OMC shim
Item 54
P/N 23510
Shim .005 / 314745 $7.95

22373 T-bolts
22373 T-bolts
Item 56
P/N 22373
Screw / 341541 $4.95

22230 Propeller thrust washer
22230 Propeller thrust washer

Click here prop shaft nuts & thrust washers

Item 58
P/N 22230
Propeller thrust washer, 400 series. / 127084 $30.95

22150 Propeller nut
22150 Propeller nut
Item 59
P/N 22150
Propeller nut, 400 series - 4 cylinder. / 314503 $9.95

22120 Cotter pin
22120 Cotter pin
Item 60
P/N 22120
Cotter pins (10 units) 400 series. / 314502 $5.95

22250 Prop spacer
22250 Prop spacer
Item 61
P/N 22250
Propeller spacer 1 unit, 400 series. OEM 315810 $5.95

12776 T-Anode
12776 T-Anode
Item 62
P/N 12776
Anode / 436745 $10.95

22365 OMC cobra 800 lower unit screw
22365 OMC cobra 800 lower unit screw
Item 63
P/N 22365
Screw 7/16x3 1/2-14 / 914535 $15.95

21674 Washer
21674 Washer
Item 64
P/N 21674
Washer / 330265 $4.95

22366 OMC Screw
22366 OMC Screw
Item 65
P/N 22366
Screw / 328096 $4.95

22367 OMC screw
22367 OMC screw
Item 66
P/N 22367
Screw 3/8x3 1/2-16 / 330263 $10.95

22368 Bolt
22368 Bolt
Item 67
P/N 22368
Screw OEM 313715 $4.95

27870 OMC 800-400 Rack
27870 OMC 800-400 Rack
Item 68
P/N 27870
Rack / 910311 $72.09

27880 Pin
27880 Pin
Item 69
P/N 27880
Pin / 910539 $26.95

21678 Washer
21678 Washer
Item 71
P/N 21678
Washer / 306358 $4.95

22145 Cotter pin
22145 Cotter pin
Item 72
P/N 22145
Cotter pins, 5 Units. OEM 306376 $4.95