Ensure your vehicle's optimal performance with the CARQUEST FSC1006 Water in Fuel (WiF) Sensor, a must-have for any car enthusiast or professional mechanic. Designed to detect the presence of water in fuel, this sensor is a vital component for maintaining the efficiency and reliability of your vehicle's fuel system. Compatible with a range of models, the sensor's OE/OEM part numbers include 3903575, 12639450, 4429575, 12639277, 97370565, 97384931, and 97261720. The sensor comes with a reassuring 90-day manufacturer warranty, affirming its quality and durability. The CARQUEST brand is synonymous with reliability, ensuring that this WiF sensor is a wise investment for your automotive needs. Don't let water in fuel compromise your drive; install the CARQUEST FSC1006 sensor and safeguard your vehicle's performance.