Precision-engineered Coolant Level Warning Sensor, meticulously crafted with high-grade thermoplastics and corrosion-resistant brass terminals for unparalleled durability and reliable performance. Direct OE replacement (PCJ500030) ensures seamless integration with Land Rover Discovery V, Range Rover IV, and Range Rover Sport I/II electrical systems. Advanced float switch technology delivers instant low-coolant alerts to prevent engine overheating damage. Factory-calibrated sensitivity maintains accurate fluid level detection across extreme temperature ranges (-40°C to 125°C). CNC-machined mounting bracket guarantees vibration-proof installation in rough terrain conditions. Essential upgrade for off-road enthusiasts and fleet managers prioritizing preventive maintenance. OEM-matched connector enables tool-free installation within 15 minutes.