O-Ring. NLA. (No Longer Available)
Mercruiser part# 25-17625
Fits: Hydraulic pump assy sterndrive
Alpha One SS 1986-1989 All
SSM II/III/IV/V 1982-1995
Bravo One, Two & Three
TR/TRS
225 EFI
225X EFI
500 EFI
Blackhawk 1994-1995 All
SSM VI All
NXT6 SSM All
Dry sump six
300X Pro Max
572 SCi