Feature: 1. Part Number: Replacing OE numbers for reference are 3830459, for Jabsco 17938‑0001, for JMP 8326‑01, for DJ 09‑45‑1201, etc. 2. Usage: Water pump impeller is used for sea water pumping such as engine cooling, water transfer, wash down, bilge pumping and other purposes, for fresh or sea water work. 3. Good Performance: Flexible 12‑blade impeller undergoes a rigorous quality process to ensure reliable, efficient and durable performance. 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 rowing. 5. Durable Material: Water pump impeller is manufactured from the high quality hardened copper and neoprene, rust free, heat resistant and wear resistant. Specification: Item Type: Water Pump Impeller Material: Rubber + CopperOE: 3830459 Suitable for Jabsco 17938-0001 Suitable for JMP 8326-01 Suitable for DJ 09-45-1201 Suitable for CEF 500163Blades: 12 Drive Type: Spline Drive Width: 3.74in (95mm) Diameter: 3.74in (95mm) Shaft: 0.98in (25mm) Applicable: For Models:D12D-A MH, D12D-B MH. D12D-C MH, D12D-E MH, D12D-G MH, D12C-A MP, D12D-A MP, D12D-B MP, D12D-C MP, D12D-D MP, D12D-E MP, D12D-F MP, D12D-G MP, D12D-H MP D12D-A MG, D13B-E MH, D13B-N MH, D13C1-A MP, D13C2-A MP, D13C3-A MP, D13C4-A MP, D13B-A MP, D13B-B MP, D13B-C MP, D13B-D MP, D13B-G MP, D13B-H MP, D13B-J MP, D13B-K MP, D13B-K MP (IPS), D13B-L MP, D13B-M MP D16C-A MH, D16C-B MH, D16C-C MH, D16C-A MG. 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!