Mercury - Bravo Three Rear Propeller 14.3" Diameter x 21" Pitch Right-Hand 3-Blade Stainless Steel Matte Finish 8M8022390. Overview. There is a moment every boater knows-the boat lifts, the vibration fades, and the water feels glassy under you. The Mercury Bravo Three Rear 3-Blade Stainless Steel Propeller (part number 8M8022390) delivers that exact feeling. Designed for the Bravo Three dual-prop system, it is built to move heavy cruisers and yachts with smooth, efficient thrust. You will feel i