Upgraded Aluminium Engine Coolant Thermostat Housing Replacement for 256002G600 25600-2G600, Thermostat Housing kit Compatible with 2008-2010 Hyundai Sonata/Kia Rondo, 2009-2010 Kia Optima Item Description Replace Part Number: Housing assembly replacement for 256002G600, 25600-2G600, 25600 2G600 Adaptation Model: Compatible with 2008-2010 Hyundai Sonata 2.4L 2359CC L4 DOHC, Compatible with 2009-2010 Kia Optima 2.4L 2359CC L4 DOHC, Compatible with 2008-2010 Kia Rondo 2.4L 2359CC L4 DOHC Upgraded Material: The aluminum thermostat with better heat dissipation performance, greatly improving quality and service life, more wear resistance, corrosion resistance, high temperature resistance Replace Thermostat Housing Assembly: Adjust the coolant flow through the radiator to maintain the engine at its stable operating temperature and prevent overheating. Appropriate temperature control can improve fuel efficiency Accordance with OE standards: Easy to Install, direct to replace the old parts. You may not need to go to your local auto repair shop to solve your problem, which will save time and bring you peace of min ? See more product details 1. The thermostat main valve opens too late or too early, if it opens too late, it will cause the engine to overheat. 2. If it opens too early, it will prolong the engine warm-up time and the engine temperature will be too low, thus affecting the efficiency. Simply put, from the water temperature gauge to see the engine water temperature is too high or too low, you may need to replace the thermostat! Structure: includes Housing, thermostat, rubber gasket, water temperature sensor Function: Regulates the flow of coolant through the radiator to keep the engine at its stable operating temperature and prevent overheating The aluminum thermostat has excellent heat dissipation properties and regulates the flow of coolant through the radiator to keep the engine at its stable operating temperature and prevent overheating Payment We accept payment only through PAYPAL Shipping We ship products worldwide through standard express courier service, it will reach within 7 to 10 days to abroad buyers, we ship the product after recieved clear payment and give full information about shipment to the buyer Return We accept product return 25 days from delivery date but product should be in original condition.