This OEM Brake Master Cylinder with Reservoir fits 2008-2013 Infiniti G37 models. It is made of plastic and steel materials and comes with a 30-day warranty. The item is genuine and a direct replacement, without mounting hardware included. It is designed for the 3.7L V6 DOHC 24V engine. The part number is 0204223184, also interchangeably referenced as JK02A-9Y04K.