Industrial 3545542C5 Heater Control Relay Module is a vehicle electrical component that manages the heater circuit in International 4300 trucks. It carries the part number 3545542C5 and is designed to control the heater relay within the International 4300's HVAC system, enabling reliable heater operation. This module is suited for heavy‑duty Navistar International 4300 models that require the 3545542C5 heater control relay in their HVAC electrical network.
