MerCruiser Part:
27-94996Q2
27-94996A1 27-64818A3 27-949962
27-64818A2 27-94996 27-94996A2
30-60794A2 30-60794A4 30-60794B4
30-879194A02 983937
21752712 3853807

Sierra：18-2619-1

Fit MerCruiser Engine Models
R, MR, Alpha One & Gen II drives

More Detail fitment information:
Fits the Following Mercrusier Stern Drive Engine Motors :
Alpha One Gen II 1991-1997
R/ MR/ ALPHA ONE 1983-1990
Mercruiser- 120hp/140hp (2791957-6225576)(With Gimbal Trim Sender), 165hp (2763442 & Up)
225S (3856268-4200499), 228hp (4782330 & Up)
233hp (4200500 & Up), 250hp (4791300 & Up)

Package Contains the Following Components:
1 Gasket
1 Square Ring
8 O-Rings