G53 Gear Mechanism Replacement - For Polaris 180 280 380 Backup Valve Replacement G52 Backup Valve

G53 Gear Mechanism

Key Features

• Direct replacement for the internal gear assembly inside the backup valve.
• Restores the automatic reverse function of the pool cleaner.
• Constructed from durable, chemical-resistant polymer for longevity.
• Engineered to resolve common failure points such as stripped or broken gear teeth.

Replaces / Cross-Reference Part Numbers

• G53
• Fits inside G52 Backup Valve Assembly

Compatibility & Fitment

• Fits Zodiac Polaris pressure-side pool cleaner models: 180, 280, 380, 480 Pro, 3900 Sport.
• Also compatible with Vac-Sweep 280, Vac-Sweep 380, 280 TankTrax, TR28P, and TR35P.

When to Replace

• Pool cleaner is stuck in one area or continuously runs against a wall.
• Backup valve does not engage to pull the cleaner away from obstacles.
• The cleaner fails to reverse direction at regular intervals.
• Visual inspection reveals worn, stripped, or damaged internal gears.

Installation Tips

• Ensure the pool pump is turned off before servicing the backup valve.
• This component replaces the internal mechanism; the external G52 housing is reused.
• Observe the orientation of the original mechanism before removal for correct alignment.
• Inspect and clean the in-line filter screen to prevent debris from causing future damage.