18-2030 Marine Oil Seal for OMC Click here to shop for this part on ebay.com 18-2030 Marine Oil Seal for OMC Size: 0.625, OD: 1.125, Width: 0.188 GLM Part Number: 86420; Sierra Part Number: 18-2030; OMC Part Number: 321786 WorksWith Evinrude/Johnson/OMC 20 HP 1981 Model 20BFCI, 20BFLCI, 20CRCI, 20CRLCI Evinrude/Johnson/OMC 20 HP 1982 Model 20BFCN, 20BFLCN, 20BICN, 20BILCN, 20CRCN, 20CRLCN Evinrude/Johnson/OMC 20 HP 1983 Model 20BFCT, 20BFLCT, 20BICT, 20BILCT, 20CRCT, 20CRLCT Evinrude 25 HP 1979 Model 25904 25905 25952 25953 Johnson 25 HP 1979 Model 25E79, 25EL79, 25R79, 25RL9 Evinrude/Johnson/OMC 25 HP 1980 Model 25BACS, 25BALCS, 25BECS, 25BELCS, 25BFCS, 25BFLCS, 25ECS, 25ELCS, 25RCS, 25RLCS, 25TECS, 25TELCS Evinrude/Johnson/OMC 25 HP 1981 Model 25BACI, 25BALC,I 25BECI, 25BELCI, 25BFCI, 25BFLCI, 25ECI, 25ELCI, 25RCI, 25RLCI, 25TECI, 25TELCI Evinrude/Johnson/OMC 25 HP 1982 Model 25BACN, 25BALCN, 25BECN, 25BELCN, 25BFCN, 25BFLCN, 25ECN, 25ELCN, 25RCN, 25RLCN, 25TECN, 25TELCN Evinrude/Johnson/OMC/BRP 25 HP 1982 Commercial Model 25RPH 25RPLH 25RSK 25RSLK 25RWCN 25RWLCN Evinrude/Johnson/OMC 25 HP 1983 Model 25BACT, 25BALCT, 25BECT, 25BELCT, 25BFCT, 25BFLCT, 25ECT, 25ELCT Evinrude/Johnson/OMC/BRP 25 HP 1983 Commercial Model 25RSS 25RSLS 25RWCT 25RWLCT Evinrude/Johnson/OMC 25 HP 1984 Model 25BACR, 25BALCR, 25BECR, 25BELCR, 25BFCR, 25BFLCR, 25ECR, 25ELCR, 25RCR, 25RLCR, 25TECR, 25TELCR