Dorman 505-5203 Engine Coolant Temperature Sensor

Reliable Engine Coolant Temperature Sensor for Accurate Readings

The Dorman 505-5203 Engine Coolant Temperature Sensor is designed to provide precise temperature monitoring for your vehicle's engine cooling system. This sensor features a 1.25 resistance value and a durable black housing, ensuring consistent performance in demanding conditions.

• Resistance: 1.25 ohms for accurate temperature measurement
• Blade terminal type with 2 terminals for secure electrical connection
• Oval-shaped male connector for proper fitment
• Thread size of 1/2 NPT for compatibility with various engine designs
• Color: Black for easy identification during installation
• Package includes one temperature sensor

Detailed Description of the Dorman 505-5203 Sensor

This engine coolant temperature sensor from Dorman is engineered to monitor the temperature of the engine coolant and relay this information to the vehicle’s engine control unit (ECU). The sensor’s 1.25 resistance rating ensures accurate temperature readings, which are critical for optimal engine performance and fuel efficiency. Featuring a blade terminal type with two terminals and an oval-shaped male connector, the sensor is designed for a secure and reliable electrical connection. The 1/2 NPT thread size allows for straightforward installation in compatible engine coolant ports. Its black color housing provides durability and resistance to heat and corrosion.

Common Applications and Issues Addressed

• Helps prevent engine overheating by providing accurate coolant temperature data
• Resolves erratic temperature gauge readings in vehicles
• Addresses engine performance issues related to incorrect coolant temperature signals
• Supports proper operation of cooling fans and temperature-dependent systems
• Compatible with various makes and models requiring a 1/2 NPT threaded sensor with blade terminals

Installation Notes and Tips

When installing the Dorman 505-5203 Engine Coolant Temperature Sensor, ensure the engine is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the thread. Confirm the sensor’s 1/2 NPT thread size matches the vehicle’s coolant port. Connect the blade terminals securely to prevent electrical issues. No wire harness is included, so reuse the existing harness or source separately if needed.

Quality Assurance and Warranty Information

Dorman manufactures this engine coolant temperature sensor to meet or exceed OEM specifications, ensuring reliable operation and durability. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship. Refer to Dorman’s official documentation for exact warranty terms.