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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

Parts 49 to 72

Exploded View lower unit Drawings
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OMC stern drive exploded view 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 $5.09

23590 Shims
23590 Shims
Item 54
P/N 23590
Shim .003 / 323362 $3.95

23580
23580
Item 54
P/N 23580
Shim .004 / 323361 $3.95

23510
23510
Item 54
P/N 23510
Shim .005 / 314745 $3.95

22373 bolts
22373 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 nut
22150 nut
Item 59
P/N 22150
Propeller nut, 400 series - 4 cylinder. / 314503 $6.09

22120 Cotter pin
22120 Cotter pin
Item 60
P/N 22120
Cotter pins (10 units) 400 series. / 314502 $3.95

22250 spacer
22250 spacer
Item 61
P/N 22250
Propeller spacer 1 unit, 400 series. OEM 315810 $3.95

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

22365
22365
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 $3.95

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

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

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

Rack
Rack
Item 68
P/N 27870
Rack / 910311 $72.09

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

21678
21678
Item 71
P/N 21678
Washer / 306358 $4.09

22145 Cotter pin
22145 Cotter pin
Item 72
P/N 22145
Cotter pins, 5 Units. OEM 306376 $3.95