OMC & Cobra Drive & Transom Seal Kits
Chart notes are listed in (red) at bottom of chart
Model	Year	Lower Unit Seal Kit	Upper Unit Seal Kit	Intermediate Seal Kit	Transom Mount Seal Kit
2.3	1987-90	18-2671	18-2673	N/A	18-2674
2.5 ➀	1982-86	18-2664	18-2667	18-2670	N/A
2.5 ➁	1986	18-2671	18-2673	N/A	18-2674
3 ➀	1982-86	18-2664	18-2667	18-2670	N/A
3 ➁	1986-91	18-2671	18-2673	N/A	18-2674
4.3 ➀	1985-86	18-2665	18-2667	18-2670	N/A
4.3 ➁	1986-91	18-2672	18-2673	N/A	18-2674
3.8	1981-86	18-2665	18-2667	18-2670	N/A
5 ➀	1982-86	18-2665	18-2667	18-2670	N/A
5 ➁	1986-91	18-2672	18-2673	N/A	18-2674
5.7 ➀	1982-86	18-2665	18-2667	18-2670	N/A
5.7 ➁	1986-89	18-2672	18-2673	N/A	18-2674
5.7 ➂	1990-91	18-2672	18-2673	N/A	18-2674
5.8	1989-90	18-2672	18-2673	N/A	18-2674
7.5	1987	—	18-2673	N/A	18-2674
80	1969	18-2663	18-2666	18-2668	N/A
90	1970	18-2663	18-2666	18-2668	N/A
100	1972	18-2663	18-2666	18-2668	N/A
100	1973	18-2663	18-2667	18-2669	N/A
120	1968-72	18-2663	18-2666	18-2668	N/A
120	1973-77	18-2663	18-2667	18-2669	N/A
120	1978-81	18-2664	18-2667	18-2670	N/A
140	1973-77	18-2663	18-2667	18-2669	N/A
140	1978-81	18-2664	18-2667	18-2670	N/A
155	1968-72	18-2663	18-2666	18-2668	N/A
165	1972	18-2663	18-2666	18-2668	N/A
165	1973-76	18-2663	18-2667	18-2669	N/A
170	1974	18-2663	18-2667	18-2669	N/A
175	1975-77	18-2663	18-2667	18-2669	N/A
185	1968	18-2663	18-2666	18-2668	N/A
185	1978-80	18-2665	18-2667	18-2670	N/A
190	1974-77	18-2663	18-2667	18-2669	N/A
200	1968	18-2663	18-2666	18-2668	N/A
200	1979-81	18-2665	18-2667	18-2670	N/A
210	1968-70	18-2663	18-2666	18-2668	N/A
215	1971	18-2663	18-2666	18-2668	N/A
225	1972	18-2663	18-2666	18-2668	N/A
225	1973-76	18-2663	18-2667	18-2669	N/A
225	1978	18-2665	18-2667	18-2670	N/A
230	1979-81	18-2665	18-2667	18-2670	N/A
235	1971	18-2663	18-2666	18-2668	N/A
235	1975-77	18-2663	18-2667	18-2669	N/A
240	1978	18-2665	18-2667	18-2670	N/A
245	1972	18-2663	18-2666	18-2668	N/A
245	1973-75	18-2663	18-2667	18-2669	N/A
250	1979	18-2665	18-2667	18-2670	N/A
260	1979-81	18-2665	18-2667	18-2670	N/A
262	1989	18-2672	18-2673	N/A	18-2674
350	1988-89	18-2672	18-2673	N/A	18-2674
460	1988-89	—	18-2673	N/A	18-2674
➀ Except Cobra                ➁ Cobra                ➂ Except L.E. N/A Not Applicable