The International 2001 Through 2008 Heater Control Valve Actuator is a high-quality, durable product designed to fit and function like the original equipment part on specified vehicles. Made with a durable plastic construction material and an electrical activation type, this HVAC Heater Blend Door Actuator is built to last. It has undergone on-vehicle testing to ensure proper fit and performance, making it a reliable choice. This actuator fits most International 2001-2008 models, including 5500i, 5600i, 5900i, 9100i SBA, 9200i SBA, 9300, 9400, 9400i SBA, 9800, 9900i, 9900i SFA, 9900ix, and 9900ix SFA. Direct OE replacement number: Navistar 3524465-C1.