The Mahle Fuel Filter with Fuel Pressure Regulator - KL149 is a high-quality fuel filter designed to effectively filter out impurities and contaminants from the fuel before it reaches the engine. It also includes a built-in fuel pressure regulator that helps maintain consistent fuel pressure for optimal engine performance. This product is made by Mahle, a trusted brand in the automotive industry, and is compatible with a wide range of vehicles. It is easy to install and provides reliable and efficient filtration for improved engine performance and longevity.