The product is a Yamaha XL 1200 jet pump impeller duct housing with the manufacturer part numbers 66F-R1321-00-00, 63M-51315-02-00, and 63M-51312-02094. Made in Japan, this part is designed for personal watercraft and is an essential component for maintaining the performance and efficiency of the Yamaha XL 1200 model. This impeller duct housing is a genuine Yamaha product, ensuring high quality and compatibility with the specified Yamaha watercraft.