Spare parts, durable and easy to install. Fine workmanship and perfect style. This listing is for one new impeller equivalent to the following part numbers: Johnson 09-1027B, 09-1027B-1; OMC 3588256; Jabsco 1210-0001; Sierra 18-3081, SIE-18-3081; GLM 89540; Mallory 9-45703; Onan 132-0162; Perkins 0460038; Penta 825940, 860203, 3855546, 3858256, 3862281, 21213660, 876243, 3862567, 3856039, 877400, 3856029, 21951346; Yanmar 129470-42530. Fits pump models: 1673-0001, 1673-9001, 1673-9051, 1673-0003, 1673-1001, 1673-1003, 1673-9003, 3270-0001, 3270-0003, 3290-9001, 3380-0001, 3480-9002, 3480-9011. Fits models: AQ 150A, B, 175A, 200C, D, F, 211A, 225C, D, F, 231A, 255A, B, 260A, 271A, C, 290A, 311A, B, 430A, B, 431A, 500A, B, 501A, B, 570A, 571A, 572A. Fits Indmar F5b raw water pumps. Specifications: 2-1/4 inch diameter x 1-1/4 inch wide, 5/8 inch shaft diameter, 12-point spline drive, 12 CE. Material: rubber. Color: black. Package contents: 1 x water pump impeller. Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual item. Measurement may vary by +/- 1-3 cm.