This is a genuine TOYOTA Screw, valve; JP, part number 1378833011. Designed and manufactured to meet TOYOTA's stringent quality standards, this component plays a crucial role in the proper functioning of your vehicle's engine. As a valve screw, this part is essential for maintaining the correct adjustment and operation of your engine's valves. Proper valve function is critical for efficient combustion, optimal power delivery, and overall engine health. Using genuine TOYOTA parts ensures a precise fit and reliable performance, contributing to the longevity of your engine. This screw is engineered for durability and resistance to the demanding conditions within an engine. Its specific design ensures it integrates seamlessly with other engine components, preventing leaks and maintaining optimal operating pressures. Trust in genuine TOYOTA parts to keep your vehicle running smoothly and efficiently.