1Replacing part numbers for reference: 3854072, 987176. 2Outboards water pump impeller, with 12 blades, fit for OMC King Cobra sterndrives. 3Made of premium neoprene, high hardness and toughness, durable to use. 4Easy to install, no complicated tools required, convenient to use. 5Dependable replacement for the old or damaged water pump impeller. Item Type: Water Pump Impeller Material: Neoprene, Nylon Hub Replaces Parts Number: 3854072, 987176 Number of Blades: 12 Height: Approx. 41mm/1.6in Overall Diameter: Approx. 65mm/2.6in Shaft Diameter: Approx. 12mm/0.5in Fitment: Fit for OMC Sterndrive Parts 5.80 Liter 584DPEAMK Water Pump & Adaptor Fit for OMC Sterndrive Parts 3.20 Liter 32DAPEJVB Water Pump & Adaptor Fit for OMC Sterndrive Parts 5.80 Liter 58FAPPJVB Water Pump & Adaptor Fit for OMC Sterndrive Parts 5.80 Liter 584DPPJVB Water Pump & Adaptor Fit for OMC Sterndrive Parts 8.20 Liter 824BPEJVB Water Pump & Adaptor Fit for OMC Sterndrive Parts 5.80 Liter 584DPEAMH Water Pump & Adaptor Fit for OMC Sterndrive Parts 5.80 Liter 584DPEJVB Water Pump & Adaptor Fit for OMC Sterndrive Parts 5.80 Liter 58FAPEJVB Water Pump & Adaptor Fit for OMC Sterndrive Parts 5.80 Liter 58FBPEJVB Water Pump & Adaptor Fit for OMC Sterndrive Parts 7.40 Liter 744DPEJVB Water Pump & Adaptor Fit for OMC Sterndrive Parts 7.40 Liter 744CPEJVB Water Pump & Adaptor Fit for OMC Sterndrive Parts 7.40 Liter 744DPPJVB Water Pump & Adaptor Fit for OMC Sterndrive Parts 5.70 Liter 574APEAMH Water Pump Adapter Fit for OMC Sterndrive Parts 7.40 Liter 744DPPAMH Water Pump And Adaptor Fit for OMC Sterndrive Parts 8.20 Liter 824BPEAMH Water Pump And Adaptor Fit for OMC Sterndrive Parts 7.40 Liter 744CPEAMH Water Pump And Adaptor Fit for OMC Sterndrive Parts 7.40 Liter 744DPEAMH Water Pump And Adaptor Fit for OMC Sterndrive Parts 3.20 Liter 32DAPEAMH Water Pump And Adaptor 1 x Water Pump ImpellerPlease double check the part number of your item, matching information is for reference only. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks