Range Rover Evoque L551 - 2.0 AJ20P3 Petrol. Land Rover Discovery Sport L550 - 2.0 AJ20P3 Petrol. Jaguar XE - 2.0 AJ20P3 Petrol. Jaguar E-Pace - 2.0 AJ20P3 Petrol. OE Quality from Proflow. In the OEM water pump, the bottom sensor communicates the impeller position (open, partially open, or closed) to the ECU.