Genuine OEM Jaguar Vacuum Pump Stud Bolt, part number AJ813628. This essential fastener is designed to securely mount the vacuum pump, ensuring its stable and reliable operation within the engine system. It is located at the vacuum pump assembly. Weighing 0.015 kg, this stud bolt is manufactured to precise specifications for thread pitch and material strength. Using a genuine OEM stud bolt guarantees the correct tensile strength and corrosion resistance, preventing loosening or failure that could compromise the vacuum pump's function and overall engine performance.