The EM 370Z / G37 / Q50 / Q60 PCV Breather Hose - VQ37VHR driver Side 11826-EY09D is a genuine Infiniti replacement part designed specifically for the driver side of select Infiniti models. This high-quality hose is essential for the proper functioning of the vehicle's exhaust and emission systems, ensuring optimal performance and efficiency. Infiniti vehicles are known for their precision engineering and quality components, making this PCV breather hose a reliable choice for maintaining the vehicle's emission control system.