Function: The mass airflow sensor located beside the air intake box inside the engine bay. Help to detect the mass of airflow entering the engine. MAF sensors can improve fuel efficiency. No need to use tools to install that take too long or other inefficient. Made of plastic and metal materials, durable and reliable in use. Not easy to rust, corrode or peel. Direct replacement on the engine of the car, easy to install. Product Dimension: Color: Black Material: Metal, Plastic Pin Number: 5 Hole Diameter: 6.1cm / 2.40" Size: 12.4x9.8x7.5cm / 4.88"x3.86"x2.95"(L*W*H) Compatibility: for Alfa Romeo 145 146 1997-2001 for Alfa Romeo 156 1997-2005 for Alfa Romeo 156 Sportwagon 2000-2006 for Alfa Romeo 166 1998-2000 for Alfa Romeo GTV 1998-2005 for Alfa Romeo Spider 1998-2000 for Fiat Brava 1998-2001 for Fiat Bravo I 1998-2001 for Fiat Coupe 1998-2000 for Fiat Marea 1998-2007 for Fiat Marea Weekend 1998-2007 for Lancia Lybra 1999-2005 for Lancia Lybra Sw 1999-2005 OE Number:60814852Please Attention: This is non-OEM product, accessory ONLY! Please confirm the model, displacement and year of your car before purchasing. Ship Content:1 Pc - Car Mass Air Flow Sensor