Genuine OEM Jaguar Diesel Exhaust Fluid (DEF) Pump Link Lead, part number 419123472. This specialized electrical connection cable is designed to link the DEF pump within the vehicle's selective catalytic reduction (SCR) system. It ensures reliable power delivery and data communication to the pump, which is essential for injecting DEF into the exhaust stream to reduce nitrogen oxide emissions. The cable features specific connectors and wiring for its intended application. Using a genuine OEM link lead guarantees correct electrical specifications, secure connections, and long-term durability, crucial for the proper functioning of the emissions control system.