Genuine OEM Jaguar Exhaust Manifold Screw, part number AJ814142. This specialized fastener is designed to securely attach the exhaust manifold to the engine block, maintaining a critical seal for exhaust gas containment. Weighing approximately 0.025 kg, it is engineered for high-temperature and vibration resistance. Choosing a genuine OEM screw ensures the correct thread pitch, material strength, and torque specifications, preventing exhaust leaks and ensuring long-term reliability of the exhaust system.