Parker coolant filter products are widely used to remove contaminants from engine cooling systems and add chemicals to the coolant to replenish important protectants that may have been lost over time. Our functional and durable engine coolant filters are designed and manufactured to the highest quality standards. This enables them to meet or exceed original equipment performance, provide optimal protection, and maintain critical warranty coverage. Our coolant filters are suitable for a wide range of automotive applications including coolant filter bases, which enable spin-on filters to be installed easily onto cooling systems.