The Radiator Coolant Tank is a simple but critical component. It manages the dynamic volume of coolant, purges air, and helps maintain system pressure. Regularly checking its level and condition is one of the easiest and most important forms of preventive maintenance to avoid costly engine overheating damage. Fitment: Nissan Frontier 2.4L 1998-2004 Nissan Frontier 3.3L 1999-2004 Nissan Xterra 2.4L 2000-2004 Nissan Xterra 3.3L 2000-2004 Common Problems: .
