General description The HVAC Heater Blower Motor Assembly Fan is designed for optimal performance in various Audi models from 2012 to 2018. It features stable characteristics and high reliability, providing a larger air volume with lower noise levels. This product is a direct fit replacement, ensuring easy installation. Technical specifications Reference Numbers: 4H1820021, 4H1820021A, 4H1820021B, 4H1820021C, PM4604, 76521 Material: ABS + metal Color: White + black Allowed measurement error: +/- 1-3 cm Compatibility and accessories Compatible Models: A6 Sedan (2012-2018) A7 Hatchback (2012-2018) A8 Sedan (2011-2018) RS7 Hatchback (2014-2018) S6 Sedan (2013-2018) S7 Hatchback (2013-2018) S8 Sedan (2013-2018) Installation Easy to install with a direct fit design. Other information Package Contents: 1 * Heater Blower Fan Motor Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.