POLARIS 3900 BOTTOM HOUSING (SH5)

Restore structural integrity to your automatic pool vacuum with the Polaris 3900 Sport Bottom Housing Assembly (Part: 39-004 / 39004). As the main lower body shell, this factory-original OEM component acts as the foundational unit that safely secures internal drive gears and water-management systems in place.
Compatibility: Direct replacement fit for the Polaris 3900 Sport and P39 pressure-side automatic pool cleaners.
Why Choose the 39-004 Lower Body Shell?
Durable OEM Construction: Injection-molded from heavy-duty, weather-resistant plastic to withstand harsh UV rays and intense pool chemical exposure.
Restores Peak Navigation: Replaces cracked, warped, or worn housings that cause internal parts to shift, correcting unstable tracking or dragging.
Seamless Debris Intake: Features a wide central opening engineered to work flawlessly with the WMS assembly to vacuum up mulch, leaves, and dirt.