NTK EJ0009 Engine Cylinder Head Temperature Sensor

The NTK EJ0009 Engine Cylinder Head Temperature (CHT) Sensor measures temperature within the cylinder head and sends an analog signal to the ECM to calculate ignition timing and fuel delivery for maximum engine performance, efficiency, and proper operating temperature. A failing CHT sensor can trigger a check engine light, cause erratic or inoperative temperature gauge readings, disrupt cooling fan operation, or lead to engine overheating.

Key Features:

• OE-Matched Thermistor Placement: Thermistor is positioned within the housing to precisely match OE design, ensuring accurate output and proper signal to the ECM
• Faster Response Time: Thermal conductive grease inside the brass housing accelerates sensor response for more precise temperature monitoring
• The NTK Difference: Thread sealant and/or O-ring installed where applicable for a leak-free, secure installation
• OE-Matched Probe Length: Probe length matched to original equipment specifications for correct fitment and readings
• Rectangular Connector, 2-Terminal Blade Design: Connector shape and terminal configuration match OE for a direct plug-in installation
• Meets or Exceeds OE Specifications: Manufactured to operational performance standards to ensure proper fit, form, and function
• 3-Year / 36,000-Mile Warranty: Backed by NTK's quality assurance program

NTK is a brand of NGK, an OE supplier with over 80 years of automotive expertise. NTK CHT sensors undergo rigorous testing — including thermal shock, vibration, and OBD verification — before leaving the factory, delivering the same reliability found in original equipment applications.