Polaris 3900 Bottom Housing (Genuine Spare Part)

Keep your Polaris 3900 running like new with this genuine OEM replacement bottom housing. The bottom housing is a critical structural component of the Polaris 3900 Sport robotic pool cleaner — if yours is cracked, broken, or worn, replacing it restores full suction performance and protects the internal drive mechanism.

Product Details

• Part name: Bottom Housing
• Part number: W7620015
• Compatible model: Polaris 3900 Sport
• Brand: Genuine Polaris / Zodiac
• Condition: New (OEM)

Why Replace Your Bottom Housing?

• Cracked or broken housing reduces suction and cleaning performance
• Damaged housing can allow debris into the drive mechanism
• Genuine OEM part ensures correct fit and long-term durability
• Straightforward DIY replacement — no special tools required

Frequently Asked Questions

What is the part number for the Polaris 3900 bottom housing?

The genuine Polaris 3900 bottom housing part number is W7620015.

Is this a genuine Polaris part?

Yes. This is a genuine OEM Polaris part supplied by Zodiac, the authorised manufacturer of Polaris pool cleaners in Australia.

Which Polaris models does this bottom housing fit?

This bottom housing is compatible with the Polaris 3900 Sport pressure-side pool cleaner.

How do I know if my bottom housing needs replacing?

Signs of a damaged bottom housing include visible cracks or breaks in the casing, reduced suction, water leaking from the body of the cleaner, or the cleaner failing to move correctly along the pool floor.

Can I fit this myself?

Yes. The Polaris 3900 bottom housing is a DIY-friendly replacement. No special tools are required. If you need guidance, our team is happy to help.

Do you ship this part Australia-wide?

Yes. We ship genuine Polaris spare parts to all states and territories across Australia.