S6250 oil drain valve. Saf-Air oi; drain valve fits the following engines: A-65, A-75, C-85, E-185, C-90-8F, 12F, 14F, E-225, 0-200-A,B, GO-300-A, C, D, E, IO-360-A thru D, G, H, J, K, TSIO-360-A thru E, EB, F, FB, H, O-470-B, G, J, K, L, M, P, R, S, U, O-470-4, 11, 13, 15, IO-470-C thru H, J thru N, P, R, S, U, V, VO, TSIO-470-B, C, D, IO-520-A, B, BA, C, D, E, F, J, L, M, TSIO-520-B thru H, J thru N, P, R, S, GTSIO-520-C, D, F, H, K, L, M, C75-2, C-520, IO-550.