Features: 1.OE Number: The referencing OE number of this water pump impeller are 17018?0001, 17018 0001 P, 3583602, 3588476, 3593573, 3819486. 2.Fitment: The water pump impeller is a replacement for Jabsco, please check the model of your inboard motor engine before ordering to confirm compatibility. 3.Parameter: The water pump impeller adopts 8 blades design, with a outer diameter of 2.56in, inner diameter of 0.63in, and shaft depth of 2.99in, with spline drive. 4.Function: This pump impeller is used in the cooling system of the inboard and provides higher flow and cooling flow, effectively protecting your engine. 5.Installation: Lubrication with glycerol, silicone grease or dish soap (not included) during installation makes the installation smoother, perfect replacement for the old one. Specification: Item Type: Water Pump Impeller OE Number: 17018?0001, 17018 0001 P, 3583602, 3588476, 3593573, 3819486 Material: Rubber, brass Number of Blades: 8 Outer Diameter: Approx. 65mm/2.56in Inner Diameter: Approx. 16mm/0.63in Shaft Depth: Approx. 76mm/2.99in Driver: Spline drive Usage: Cooling system (water) Installation Instructions: Lubricate with glycerin, silicone grease or dish soap during installation. (not included) Fitment: Replacement for Jabsco Pumps Applicable Diesel Marine Engines: D6 280A A D6 280A B D6 280A C D6 280A D D6 280A E D6 280I A D6 280I B D6 280I C D6 280I D D6 280I E D6 300A F D6 300D F D6 300I F D6 310A A D6 310A B D6 310A C D6 310A D D6 310A E D6 310D B D6 310D C D6 310D D D6 310D E D6 310I A D6 310I B D6 310I C D6 310I D D6 310I E D6 330A B D6 330A C D6 330A D D6 330A E D6 330A F D6 330D B D6 330D C D6 330D D D6 330D E D6 330D F D6 330I B D6 330I C D6 330I D D6 330I E D6 330I F D6 350A A D6 350A B D6 370A B D6 370A C D6 370A D D6 370A E D6 370A F D6 370D A D6 370D B D6 370D C D6 370D D D6 370D E D6 370D F D6 370I A D6 370I B D6 370I C D6 370I D D6 370I E D6 370I F D6 400A E D6 400A F D6 435D A D6 435D C D6 435D D D6 435D E D6 435D F D6 435I A D6 435I C D6 435I D D6 435I E D6 435I F Note: Please 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!