Features: 1.Part Number: According to the original factory specifications, impeller replacement part number is 18?3245, replacement OEM are 19210?881?003, 19210?881?A01, 19210?881?A02. 2.Applicable Model: Water pump impeller fits for 5?10hp outboard motors, such as fit for BF5AM BF8AM BF5AW BF8AW BF5AX BF8AX BF5AY BF5A1 BF5A2 BF5A3 BF5A4 BF5A5 BF5A6 etc. 3.Water Transfer Pump Impeller: Neoprene rubber impeller is used for marine water pumping such as engine cooling, water transfer, wash down and bilge water pumping purposes, work for fresh or sea water. 4.Premium Material: Impeller is made of high quality neoprene rubber with copper hubs, has good flexibility and adapts to various seawater environments at the same time. 5.Stable Performance: 8 blades impellers are subjected to rigorous quality processes to make sure reliable, efficient and long lasting performance, makes repair and maintenance of water pumps easy. Specification: Item Type: Water pump impeller Replacement OEM: 19210-881-003 / 19210-881-A01 / 19210-881-A02 Replacement Part Number: 18-3245 Blades: 8 Inner Diameter: Approx. 13.15mm/0.52in Outer Diameter: Approx. 41.00mm/1.61in Depth: Approx. 23.00mm/0.91in Shaft Profile: D shape Inner Shaft Insertion Diameter: Approx. 14.18mm (9/16in) Material: Neoprene rubber with copper hubs Fitment: Fits for 5-10hp outboard motors: 1997 for BF5AM 1997 for BF8AM 1998 for BF5AW 1998 for BF8AW 1999 for BF5AX 1999 for BF8AX 2000 for BF5AY 2001 for BF5A1 2002 for BF5A2 2003 for BF5A3 2004 for BF5A4 2005 for BF5A5 2006 for BF5A6 2007 and Later for BF5AK0 2007 and Later for BF5AK2 2007 and Later for BF5AK3 2007 and Later for BF8AK0 Pre-1997 for BF100A BF100B Pre-1997 for BF100C BF100D Pre-1997 for BF100E BF100F Pre-1997 for BF50F BF5AH Pre-1997 for BF5AK BF75A Pre-1997 for BF75B BF75C Pre-1997 for BF75D BF75E Pre-1997 for BF8AH BF8AK 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!