Polaris Zodiac 3900 Wheel Sprocket Assembly with Bearing (39-420)

Polaris / Zodiac – Pool Cleaners, Robotic Cleaners, Pressure Cleaners and Replacement Parts

Polaris / Zodiac is a globally recognized leader in pool cleaning and water care solutions, known for high-performance automatic pool cleaners and advanced pool equipment. Now part of Fluidra, Polaris and Zodiac brands have a long-standing reputation for innovation, reliability, and ease of use. Their products are widely used in residential and commercial pools for efficient, automated maintenance.

Polaris / Zodiac specializes in robotic pool cleaners, pressure-side cleaners, suction cleaners, pumps, and replacement parts. Their product lineup includes industry-leading cleaners designed to remove debris, scrub surfaces, and improve water circulation. Popular models and systems are supported by a full range of replacement parts, including hoses, wheels, debris bags, and internal components.

Polaris / Zodiac products are known for powerful cleaning performance, durability, and advanced technology. Their automated cleaners reduce manual maintenance while improving overall pool cleanliness and water quality. Pool owners and professionals choose Polaris for reliable, long-lasting cleaning solutions that save time and effort.

To select the correct Polaris / Zodiac component, it’s important to identify your cleaner model and match part numbers for items such as bags, tires, hoses, or internal assemblies. Reviewing diagrams and compatibility ensures proper fit and function. Choosing the right part helps maintain optimal cleaning performance and extends equipment life.

At Bath & Spa Parts Online, we carry a wide selection of Polaris / Zodiac pool, spa, and bath parts ready to ship. Can’t find what you need? Contact our Product Specialists at 800-918-9143, use the live chat, or visit our Contact Us page. For installation guides, part diagrams, and troubleshooting resources, visit the Bath & Spa Parts Online Knowledge Base for expert support.