Jun 01, 2020 - 05:21 AM
R0445307 is for 5.0 HPThis R0445305 is already discontinued (they now sell the diffuser and impeller separately)
For impeller, it should be R0807200
and diffuser replacement is R0445400
Please contact us directly to fill the order for you or if you have any other questions, feel free to ask. Thank you!