CONDITION: New ? open box. Clean front panel, all three knobs turn smoothly, and rear connector pins are straight and undamaged. No cracks, chips, or UV wear. Shipped within one day of payment. ? DESCRIPTION: OEM-style replacement HVAC Heater Control Switch Panel compatible with a wide range of International medium- and heavy-duty trucks. This unit replaces part numbers 3545543C5 and 3545543C6, offering reliable temperature, fan, and vent-mode control. Made from durable ABS plastic for long service life and designed as a direct plug-and-play installation ? no programming required. Compatible with: 2002?2007: International 4200, 4300, 4400, 7400, 7500, 7600, 7700, 8500, 8600 2002?2012: International CityStar 2007?2012: International ProStar 2008?2012: Durastar (4200 / 4300 / 4400), Lonestar, Terrastar, Transtar (8600), Workstar Features: ? Durable ABS housing resists cracking and heat-cycling ? Smooth operation of temperature, blower speed, and vent mode ? Direct replacement for OEM units ? Ideal preventative replacement for aging fleet vehicles ? VEHICLE COMPATIBILITY: This part fits many International medium- and heavy-duty truck platforms, including: 4200, 4300, 4400, 7400, 7500, 7600, 7700, 8500, 8600, CityStar, ProStar, DuraStar, LoneStar, TerraStar, TranStar (8600), WorkStar. Confirm part number 3545543C5 / 3545543C6 before purchase. ? SHIPPING SELLER INFO: Ships fast ? 1-business-day handling. 30-day returns, USA seller. ? SEARCH KEYWORDS: International 4200 4300 4400 HVAC panel heater AC control 3545543C5 3545543C6 Location: ST-146655-8