This is a genuine GM rear heater core with OE/OEM part number 10362445. It is a direct replacement for models of Buick, Chevrolet, Pontiac, and Saturn manufactured between 2005 and 2008, including Uplander, Terraza, Relay, and Montana. The heater core comes with a 1-year warranty and is certified as genuine OEM. It is a high-quality replacement part that ensures your car's air conditioning and heating are in good condition. Find this heater core and more in the Car & Truck Parts & Accessories category on eBay Motors.