The Genuine Porsche Turbocharger Coolant Line O-Ring - 99970759740 is a small but essential component for the proper functioning of a Porsche turbocharger. This O-ring is made of high-quality materials and is designed to seal the connection between the coolant line and the turbocharger, preventing any leaks or loss of coolant. It is a genuine Porsche product, ensuring a perfect fit and reliable performance. This O-ring is compatible with various Porsche models and is an important part of the turbocharger system.