Polaris Zodiac 3900 Rear Axle Block (39-430) prostar Featuring a 7 inch diameter

Featuring a 7 inch diameter and 10-3/4 inch length

helping transfer heat effectively through the supported system

The SPX0710X32 is a practical replacement for compatible Hayward systems that need renewed multiport function and cleaner operational reliability

Hydro-Quip Versi-Heat 76 inch hi-limit sensor

Polaris Zodiac 3900 Rear Axle Block (39-430) prostar Featuring a 7 inch diameterThe Polaris Zodiac Axle Block [3900 Rear] (39 430) is a replacement axle block for compatible Polaris and Zodiac pool cleaners. This component helps position and support the cleaner 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