Feature: 1. Application: Outboard water pump impeller is suitable for OMC King Cobra sterndrives, and suitable for 3.2L 32DAPEAMH, 5.7L 574APEAMH, etc. 2. Part Number: Replacing OEM numbers for reference are 987176 3854072, and other OE, replacement for Sierra 18‑30585. 3. Multiple Use: Neoprene impeller is used for sea water pumping such as engine cooling, water delivery, wash down and bilge pumping and other purposes, for fresh or sea water work. 4. Recommendation: You should replace your flexible pump impeller at least once a year or earlier, depending on engine duties. Always carry a spare impeller with you before boating sports. 5. High Performance: Flexible 12‑blade impellers undergo a rigorous quality process to ensure reliable, efficient and durable performance. Specification: Item Type: Water Pump Impeller Material: Nylon and Neoprene Rubber Blades: 12 Blades OEM: 987176 3854072 Other OE: Replacement for Sierra 18-30585 Fitment:Suitable for OMC King Cobra sterndrives.1992 3.2L 32DAPEAMH 1992 5.7L 574APEAMH 1992 5.8L 584DPEAMH 1992 5.8L 584DPEAMK 1992 7.4L 744CPEAMH 1992 7.4L 744DPEAMH 1992 7.4L 744DPPAMH 1992 8.2L 824BPEAMH 1993 3.2L 32DAPEJVB 1993 5.8L 584DPEJVB 1993 5.8L 584DPPJVB 1993 5.8L 58FAPEJVB 1993 5.8L 58FAPPJVB 1993 5.8L 58FBPEJVB 1993 7.4L 744CPEJVB 1993 7.4L 744DPEJVB 1993 7.4L 744DPPJVB 1993 8.2L 824BPEJVB 1994 5.8L 58FBDPMDA 1994 7.4L 744DCPMDA 1994 7.4L 744DCPMDM 1994 7.4L 744DDPMDA 1994 7.4L 744DDPMDM 1994 7.4L 744DGPMDA 1994 7.4L 744DGPMDM 1994 7.4L 744DJPMDA 1994 7.4L 744DJPMDM 1995 7.4L 744DPHUB 1995 7.4L 74FEPHUB. Package List: 1 x Water Pump Impeller Note: 1. Please double check the part number of your item, matching information is for reference only.2. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!