OMC Parts Drawing *Cobra *Mercruiser *Alpha SEI Outdrives
Last updated on 11/4/2023
P/N 28080 External lock-ring
For Alpha One Gen II years 1998 & up
OEM: 864281A2
P/N 28070 Internal lock-ring
OEM: 814819A7
P/N 28030 Internal lock ring u-joint
For Alpha One Gen II all years
OEM: 75832T, 75832T-1
P/N 28040 External lock-ring u-joint
For Alpha One Gen II 1998 & up
OEM: 865496A01
P/N 28310 Internal lock-ring yoke
For Alpha One Gen II years 1997 & before
OEM: 46020-1
P/N 28312 Internal lock-ring yoke
OEM: 853635
P/N 28315 Internal lock-ring yoke (long)
OEM: 814819A3
P/N 28316 External lock-ring yoke (long)
OEM: 864281A01
P/N 28322 External lock-ring yoke
OEM: 864282T
P/N 28330 Tension washer
For no. 28310, 28312, 28340,28322 & 28345
OEM: 12-45810
P/N 28360 Locknut
For no. 28310, 28312, 28340, 28322 & 28345
OEM: 11-22339
P/N 28100 Internal lock-ring socket
OEM: 39383-1
P/N 28110 External lock-ring socket
OEM: 865503T