Downtime is the enemy of efficiency. A malfunctioning coolant level sensor can lead to overheating, engine damage, and costly repairs, significantly impacting your fleet's productivity and bottom line. The STANDARD IGNITION FLS-126 2-terminal coolant level sensor is your solution. Engineered for heavy-duty applications, this direct-fit OE replacement offers superior reliability and performance. Constructed with high-quality materials, the FLS-126 easily withstands extreme temperatures and demanding operating conditions. Its precise design guarantees accurate coolant level readings, providing timely alerts and preventing catastrophic engine failure. STANDARD IGNITION's commitment to rigorous testing and a detailed validation process ensures consistent quality and longevity. By choosing the FLS-126, you're investing in the reliability and efficiency of your fleet. Reduce downtime, minimize repair costs, and maximize operational efficiency with STANDARD IGNITION's superior coolant level sensor. Choose the FLS-126 and experience the difference that quality and reliability make. STANDARD IGNITION: A century of trust in automotive parts.