Click here to shop for this part on Amazon.com Click here to shop for this part on ebay.com 18-4324 Powerhead Gasket Set Replaces GLM Part Number: 39355; Sierra Part Number: 18-4324; OMC Part Number: 390700 WorksWith Evinrude/Johnson/OMC/BRP 40 HP 1981 Commercial Model 40RSD-R 40RSLD-R 40RWCI 40RWLCI Evinrude/Johnson/OMC/BRP 40 HP 1982 Commercial Model 40RWCN 40RWLCN Evinrude/Johnson/OMC/BRP 40 HP 1982-1983 Commercial Model 40RSR 40RSLR Evinrude/Johnson/OMC/BRP 40 HP 1983 Commercial Model 40RCV 40RCLV 40RCYV 40RWCT 40RWLCT Evinrude/Johnson/OMC/BRP 40 HP 1984 Commercial Model 40RCP 40RCL 40RCYP 40RWCR 40RWLC Evinrude/Johnson/OMC/BRP 40 HP 1985 Commercial Model 40RCH 40RCLH 40RCYH 40RWCO 40RWLCO Evinrude/Johnson/OMC/BRP 40 HP 1986 Commercial Model 40RCB 40RCLB 40RCYB 40RWCD 40RWLCD Evinrude/Johnson/OMC/BRP 40 HP 1987 Commercial Model 40RCT 40RCLT 40RCYT Evinrude/Johnson/OMC/BRP 40 HP 1988 Commercial Model 40RCY 40RCLY 40RCYY Evinrude/Johnson/OMC/BRP 40 HP 1989 Commercial Model 40RCA 40RCLA 40RCYA Evinrude/Johnson/OMC/BRP 40 HP 1990 Commercial Model 40RCK 40RCLK 40RCYK