Fluval FX4 Impeller Shaft

Introduction

The Fluval FX4 Impeller Shaft is an authentic replacement part designed for Fluval FX4 and FX2 canister filters. Crafted from durable ceramic, this shaft ensures smooth impeller rotation, helping to maintain optimal filter performance. It restores quiet operation and proper water flow, keeping your filtration system running efficiently.

Key Features

• Genuine Fluval replacement part compatible with FX4 and FX2 models

• Made from high-quality ceramic for strength and corrosion resistance

• Includes rubber bushings for secure, vibration-free installation

• Restores water flow and reduces operational noise

• Simple installation—no special tools required

Specifications

• Compatibility: Fluval FX4 and FX2 Canister Filters

• Material: Ceramic (shaft), rubber (bushings)

• Shaft Length: Approximately 91 mm

• Includes: 1 x Ceramic Shaft, 2 x Rubber Bushings

• OEM Part Number: A20199

Usage Guidelines

1. Turn off and unplug the FX4 or FX2 filter.

2. Remove the motor unit to access the impeller.

3. Carefully remove the old shaft and bushings.

4. Install the new ceramic shaft along with the rubber bushings.

5. Reassemble the motor unit and restart the filter.

6. Check for smooth, quiet operation.

Recommendations

• Replace the impeller shaft annually or if you notice wear, unusual noise, or reduced water flow.

• Always use genuine Fluval parts to maintain warranty and ensure optimal performance.

• Consider replacing the full impeller assembly if the blades or magnet show significant wear.

• Use aquarium-safe silicone lubricant to prolong bushing life and reduce friction.