Shop Nilight Radiator for Honda Civic 2001 2002 2003 2004 2005, Acura 2001 2002 2003 2004 2005 EL L4 1.7L Performance Aluminum Replacement OEM in high quality. 100% leak tested to prevent coolant loss and keep the engine running efficiently. Increases the boiling point of the engine coolant to maintain efficiency. Maintains the pressure of the cooling system to keep the vehicle safe and well sealed.