Modern engines no longer rely on a single cooling circuit running at a fixed temperature. Petrol, diesel, hybrid and electric powertrains all require precise, often electronically controlled temperature management – across multiple circuits, multiple operating phases, and increasingly narrow tolerance windows. A cooling system that simply “keeps the engine cool” is no longer sufficient. It needs to keep the engine at the correct temperature, at the correct moment, in the correct part of the system.
HEPU® Thermal Management brings together the components responsible for this direct, active temperature control: thermostats, coolant control valves, cooling system hoses, pipes and tubes, and expansion tanks. Each component is manufactured to OE specification, and the range is built to complete the thermal system alongside HEPU® water pumps and coolants – not replace one component in isolation.
Engine temperature control used to be the job of a single thermostat. In current-generation engines, it is a coordinated system: electronically actuated control valves route coolant between multiple circuits, dedicated paths warm components faster after cold start to reduce emissions, and hybrid and electric vehicles require precise thermal control of batteries and power electronics that has no equivalent in a conventional engine.
This is why HEPU® treats thermal management as a defined product category, not an extension of the cooling system range. The components are engineered to OE specification individually, and to work together as one calibrated system.
Use the HEPU® parts catalogue to find the correct thermal management component for your application.