R0838400 | Polaris Quattro Sport & P40 Right Brush Gearbox

The Polaris R0838400 Right Side Brush Gearbox is a genuine OEM replacement part designed for the Polaris Quattro Sport and Quattro P40 pressure-side pool cleaners. This gearbox controls the rotation and synchronization of the cleaner’s right-side brushes, helping to scrub and remove debris from pool surfaces effectively. Over time, internal gears can wear down, leading to reduced brush movement or uneven cleaning. Replacing the gearbox with this factory-engineered assembly restores balanced brush rotation, ensuring optimal cleaning performance and long-term reliability.

Highlights

• OEM Right-Side Brush Drive: Direct factory replacement gearbox that restores the proper operation of the right-side scrubbing brushes for Quattro Sport and P40 models.

• Restores Balanced Brush Action: Synchronizes brush movement to maintain even contact with pool walls and floors for improved debris removal and cleaner coverage.

• Durable Gear Construction: Built from corrosion-resistant, precision-molded components designed to withstand continuous underwater use and high torque.

• Smooth & Quiet Performance: Internal gears are engineered for consistent brush rotation while minimizing vibration and noise during operation.

• Easy Replacement Fit: Designed specifically for Polaris Quattro Sport and P40 cleaners, allowing for quick installation without modification.

Compatibility

• Polaris Quattro P40 Cleaners
• Polaris Quattro Sport Cleaners

Additional Info

Need help replacing the Polaris R0838400 Right Side Brush Gearbox on your Quattro Sport or Quattro P40 cleaner? This section covers installation, troubleshooting, and in-store availability details to restore balanced scrubbing performance and smooth cleaner movement.

Installing the Polaris R0838400 Brush Gearbox

The R0838400 is a precision OEM gearbox that drives the right-side brush system. Installing it properly ensures the cleaner maintains even scrubbing and full wall-to-floor contact.

How do I install the Polaris R0838400 gearbox in my Quattro Sport cleaner?

Which screws need to be removed to access the right-side brush housing?

Can I buy the R0838400 gearbox in store at Discount Pool Mart?

Should I lubricate the internal gears or install it dry from the package?

How can I confirm the brush spins evenly after the gearbox is replaced?

Diagnosing Brush and Gearbox Problems

Worn or damaged gears can cause uneven brush movement, reduced coverage, or unusual noise. This section helps identify early signs of wear and guides you through simple checks.

Why is my Quattro P40’s right-side brush not rotating properly?

What causes grinding or clicking sounds during operation?

How can I tell if the internal gear teeth are stripped or jammed?

Can I bring my cleaner into a DPM store for gearbox inspection or testing?

Does replacing just the right-side gearbox restore full brush balance?

Maintaining Smooth Operation and Longevity

Regular maintenance prevents premature wear and keeps the cleaner performing efficiently. Keeping the gearbox clean and free of debris ensures reliable brush synchronization.

How often should I inspect the brush gearbox for debris or corrosion?

What’s the best way to clean the gear housing without removing it?

Should both left and right gearboxes be replaced at the same time?

Can I purchase compatible screws and O-rings at my local DPM store?

How do I prevent moisture buildup inside the gearbox after use?