The Donaldson 3.66" Spin-On Coolant Filter for Cummins / International is designed to provide superior protection from contamination in your coolant system, helping to keep your fleet running at peak efficiency. The filter features a spin-on design for easy installation and removal. It is constructed from durable materials for long-lasting performance. The filter also features a 5.31" length for maximum protection and filtration. With this Coolant Filter, you can be sure that your fleet is running at its best. FleetPride is your First Click in Heavy Duty®.