Genuine OEM Mazda Rear Left Door Wiring, part number GBFW67220. This wiring harness is essential for connecting all electrical components within the rear left door, including power windows, locks, and speakers. It is designed to meet strict OEM specifications for durability and reliable electrical conductivity. Genuine OEM wiring harnesses ensure correct routing and secure connections, preventing electrical faults and ensuring the longevity of the vehicle's electrical systems.