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: 5mm / 0.20" Size: 10.0x6.0x3.8cm / 3.94"x2.36"x1.50"(L*W*H) Compatibility: for Alfa Romeo for Fiat for Hyundai for Kia for Lancia for Opel for Vauxhall for Volvo for ALFA ROMEO 145 1996-2001 for ALFA ROMEO 146 1994-2001 for ALFA ROMEO 147 2001-2010 for ALFA ROMEO 156 1997-2005 for ALFA ROMEO 156 Sportwagon 2000-2006 for ALFA ROMEO 166 1998-2007 for VOLVO C70 I 1998-2005 for VOLVO S60 I 2000-2010 for VOLVO S70 1997-2000 for VOLVO S80 I 1998-2006 for VOLVO V70 I 1997-2000 for VOLVO V70 Mk II (SW) 2001-2007 OE Number:0836631Please 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