Feature Great Fitment- Replacement for Polaris R0837300 Quattro Gearbox Assembly compatible with Zodiac Polaris Quattro P40/Sport Pressure Side Automatic Pool Cleaner. Improve overall performance of cleaner Direction Control- Help to control the direction of cleaner, allowing it to navigate around obstacles, stay on course, and effectively cover corner of pool. Ensure that the cleaner can reverse when necessary and change directions efficiently Power Transmission- The gearbox facilitates power transfer from motor to other components of cleaner. Improve the motor's performance to provide enough thrust for cleaner to navigate and clean pools High Performance- .
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