2508089907 Nissan ENGINE COOLANT TEMPERATURE SENSOR, Price: 15.43$, Weight: 0.02kg

Engine Coolant Temp Sender for Precise Nissan Warm‑Up ⚙️

This temperature sender is the small guardian of your engine’s health. It constantly reports coolant heat to the ECU so the car can set fuel mix, ignition timing, idle speed, and switch the radiator fan on at the right moment. Without accurate data, cold starts suffer, economy drops, and emissions rise. Clean readings mean stable idle, smooth power, and a long‑lived motor.

How it Works ️

Inside sits an NTC thermistor in a sealed brass body. As coolant warms, resistance falls. The ECU reads the changing voltage and adjusts fueling and fan control. Many clusters also use this signal for the gauge, so one sender can serve both brains and driver.

What If It Fails

Expect hard cold starts, rough idle, rich mixture, poor MPG, black smoke, lazy throttle, fan stuck on or never on, dead/erratic gauge, and codes like P0115–P0119. Prolonged driving can overheat the engine, wash cylinders, and damage the catalytic converter.

Why Choose This Piece

OEM-grade response, corrosion‑resistant contacts, correct thread and seat for a leak‑free fit. Install is simple: depressurize, swap, new seal, torque, reconnect, top up coolant, and bleed air. Restores proper warm‑up, power, and reliability.

Compatibility

• G20
• Qx4
• I30/I35
• I30