Genuine OEM Nissan Injection Pump Timing Gear, part number 1305200Q0A. This gear is crucial for synchronizing the fuel injection pump with the engine's timing, ensuring proper fuel delivery and combustion. It is located within the engine's timing system, meshing with other gears to maintain precise synchronization. Genuine OEM ensures precise tooth engagement, correct material hardness, and durability for optimal engine performance and longevity.