Polaris 3900 Sport Chain Tensioner Kit | 39-120 Style_Pop-Up Head Collars This part has been discontinued

This part has been discontinued

420 sq ft filtration area reduces maintenance frequency

It is especially effective after algae treatments

Cost-effective maintenance solution instead of replacing the entire head

Blue Square Q360 Valve Lid w/ O-Ring | 01130499

Polaris 3900 Sport Chain Tensioner Kit | 39-120 Style_Pop-Up Head Collars This part has been discontinuedPolaris 3900 Sport Chain Tensioner Kit (39 120) The chain tensioner kit was designed by Polaris for the 3900 Sport pressure side cleaner. It is made from the same high quality material as the original factory part. Making it a genuine OEM product. These parts were designed to aid in the maneuverability of the 3900 Sport and its purpose is to apply force or maintain tension for the chain. This is important because the chain is what rotates the wheel