Features： 1、Applicable Model: The water pump impeller is for F75B?9. Please confirm whether it is consistent with the product you want before buying to avoid unnecessary return. 2、OE Number: The part numbers for reference are 09?821B, 09?821BT, 09?821BT?1 replacement for Johnson, 18?45714. Please confirm whether it is consistent with the OE you need to avoid wrong buying and other problems. 3、Sturdy Construction: The replacement impeller made of reliable rubber and metal, designed for optimal performance and durability, ensuring reliable and efficient use. 4、Superior Performance:The water cooling pump impeller ensures manufacturing process and technology, providing efficient performance, enhanced flow and efficiency, delivering excellent driving force and perfect maneuverability. 5、Easy to Install: The water impeller has a simple installation, convenient and effort saving, don't need too much tools or complicated steps. Specification： Item Type: Impeller Blades: 12 Teeth: 12 Width: Approx. 65mm / 2.56in Length: Approx. 80mm / 3.15in Inner Diameter: Approx. 25mm / 0.98in Fitment: Fit for F75B-9 OE Number: Replacement for Johnson: 09-821B , 09-821BT, 09-821BT-1 18-45714 Package List： 1 x Impeller