Zodiac Polaris Quattro P40 / Sport Left Brush Gearbox R0838500 - Black

Replacement left-side brush gearbox for Zodiac Polaris Quattro P40 / Sport pressure-side automatic pool cleaners. This black gearbox is a direct-fit replacement carrying part number R0838500 (ASIN B099NVKWDV). Ideal for servicing the left brush assembly on Polaris Quattro P40 and Polaris Sport models, restoring proper brush operation without altering original specifications.