Chrysler Force/U.S. Marine Lower Unit Seal Kits Application

Model HP Year Seal Kit Model HP Year Seal Kit
6/7.5 1978-Up 18-2637 70 1979 18-2631
9.9/15 All 18-2638 70 1991-95 18-2635
20/25 1972-78 18-2639 75 1975-79 18-2631
25 1989 18-2636 75 1980-83 18-2632
25 1996-97 18-2624 75 1996-97 18-2635
35 1970-72 18-2630 85 1980-89 18-2632
35 1972 1/2 18-2636 85 L Drive 1989 18-2640
35 1973 18-2630 90 1974-77 18-2631
35 1974-75 18-2636 90 1983 18-2632
35 1986-91 18-2639 90 1990-94 18-2640
35 B 1989-91 18-2636 90 1995-Up 18-2626
40 1992-94 18-2636 90 L Drive 1990-91 18-2640
50 1984-94 18-2636 105 1970-76 18-2631
55 1972 1/2-1974 18-2636 105 1979-83 18-2632
55 (2) 1978-82 18-2630 120 1990-94 18-2640
55 (1) 1983 18-2633 120 1995-Up 18-2626
60 (2) 1984 & Prior 18-2630 125 (3) 1983-89 18-2632
60 (1) 1985 18-2633 125 D & E 1989 18-2640
65 (1) All 18-2633 125 L Drive 1989 18-2640
70 1970-73 18-2631 150 1989-94 18-2640
(1) With one piece lower units (2) With two piece lower units (3) 1989 A,B,C Models Only