Polaris Zodiac 3900 Front Axle Block (39-440)

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The Polaris Zodiac Axle Block [3900 Front] (39-440) is a replacement axle block for compatible Polaris and Zodiac pool cleaners. This component helps position and support the clean er axle so the wheel assembly can track properly during normal operation. When an axle block becomes worn, cracked, or distorted, the cleaner may move unevenly, lose traction, or place extra stress on surrounding drive parts. Replacing the damaged block helps restore a more secure axle connection and supports consistent cleaner movement. Replacement axle block for 3900 Front cleaner applications Helps support wheel alignment and axle stability Useful for correcting movement or tracking issues Designed for cleaner maintenance and repair projects Identified by part number 39-440 Show more