The product is an OE Spec Nissan Altima 2005 ECM ECU computer with the manufacturer part number MEC35-523. It requires programming and has a 90 day manufacturer warranty. This direct replacement unit is a genuine Nissan product, specifically designed for the specified vehicle model. It is not a vintage part and does not offer universal fitment. The item weighs 4 pounds and is not classified as a performance part.
