1Application: Replacement for JABSCO 189580001, replacement for SHERWOOD 17000K, replacement for CEF 500164 Johnson and so on. 2Drive Type: The water pump impeller is spline drive type, 12 blade is designed for better performance, bring you more convenience. 3Materials: Made of brass, chemical corrosion resistant metal alloy and scientifically engineered high performance neoprene rubber. 4Function: Suitable for marine waterpumping duties such as engine cooling, water transfer, wash down and bilge water pumping purposes, work for fresh or sea water. 5Suggestion: You should replace your flexible pump impellers at least once every year or sooner depending on the engine duty. Always carry spare impellers on board before boating sports. Item Type: Water Pump ImpellerMaterial: Rubber + Brass + Metal AlloyBlades Quantity: 12Outer Diameter: Approx. 85.0 MM / 3.25 inchInner Diameter: Approx. 20.00 MM / 0.79 inchShaft Depth: Approx. 73.50 MM / 2.89 inchFitment: Replacement for JABSCO 18958-0001 Replacement for SHERWOOD 17000K Replacement for CEF 500164 Johnson Replacement for Pump: 09-704BT-1 Replacement for Jabsco: 18958-0001 Replacement for Caterpiller: 7E0321, 7E-0321 Replacement for Cummins: 3897337, 3916852 Replacement for Sherwood: 17000K Replacement for CEF: 500164 Replacement for Cummins 6C/6BT (early pumps with keyway. For splined shaft replacement for Sherwood 27000K)Replacement for Cummins 3802444 3897337 3916852 3925236 6CTA8.3M Replacement for Caterpillar CAT C-9 Replacement for CAT 3208 New Models someReplacement for Caterpillar CAT 170200478/7E-0321Replacement for Caterpillar 1W5664 7E0321 .wang-edit-text{ font-family:'Arial' important; } .wang-edit-text table { border-top: 1px solid 000; border-left: 1px solid 000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1 x Water Pump Impeller