Genuine OEM Nissan Crankcase Breather Connector, part number 1327700QAA. This component is part of the crankcase ventilation system, responsible for venting blow-by gases from the engine crankcase. It ensures proper flow and sealing within the system, contributing to emissions control and engine efficiency. Manufactured to precise specifications for reliable operation. Genuine OEM parts guarantee the correct fit and function for your vehicle's emission control system.