Hella 009309621 Engine Coolant Temperature Sensor

The Hella 009309621 is a precision-engineered engine coolant temperature sensor designed to monitor coolant temperature and provide accurate readings to your vehicle's engine control unit (ECU). This OE-quality sensor ensures optimal engine performance by enabling proper fuel mixture adjustments, ignition timing, and cooling fan operation based on real-time temperature data.

Key Features:

• OE-quality construction for reliable temperature monitoring
• Direct replacement for worn or failed temperature sensors
• 6-point connection design for secure installation
• Precision temperature sensing element for accurate ECU feedback
• Durable housing resistant to coolant and engine bay conditions

A failing coolant temperature sensor can cause poor fuel economy, rough idling, overheating issues, or check engine lights. This Hella sensor restores proper engine management system communication and helps maintain optimal operating temperatures.