Dorman 904-7257 Engine Coolant Temperature Sensor

Reliable Engine Coolant Temperature Sensor for Accurate Readings

The Dorman 904-7257 Engine Coolant Temperature Sensor is designed to provide precise temperature monitoring for your vehicle's engine cooling system. Featuring a durable brass construction and a threaded end diameter of 19.05 mm, this sensor ensures a secure fit and reliable performance in various automotive applications.

• Brand: Dorman
• Part Number: 904-7257
• Terminal Type: Blade with 2 terminals
• Connector Shape: Oval, Female connector
• Thread Size: 1.5 mm with 19.05 mm threaded end diameter
• Color: Brass for corrosion resistance
• Resistance: 1.25 k ohms for accurate temperature sensing
• Package Contents: 1 temperature sensor (no wiring harness included)

Detailed Product Description

The Dorman 904-7257 Engine Coolant Temperature Sensor is engineered to deliver consistent and accurate temperature readings critical for engine management systems. Its blade-type terminals and oval female connector provide a secure electrical connection, minimizing the risk of signal loss or interference. The sensor’s brass body offers durability and resistance to corrosion, which is essential for long-term operation in harsh engine environments. With a resistance rating of 1.25 k ohms, this sensor is calibrated to provide precise feedback to the vehicle’s ECU, helping maintain optimal engine temperature and performance.

Common Applications and Problem Resolution

• Helps resolve inaccurate temperature gauge readings
• Prevents engine overheating by providing reliable temperature data
• Addresses engine performance issues related to faulty coolant temperature signals
• Eliminates check engine light triggers caused by sensor failure
• Supports proper operation of cooling fans and fuel injection timing

Installation Notes and Tips

When installing the Dorman 904-7257 sensor, ensure the engine is cool to avoid burns or damage. The sensor features a 1.5 mm thread size and a 19.05 mm threaded end diameter, so verify compatibility with your vehicle’s engine block or cylinder head. Use appropriate thread sealant if recommended by the vehicle manufacturer. The sensor does not include a wiring harness, so reuse the existing harness or source a compatible connector. Confirm the oval female connector matches your vehicle’s wiring for a proper fit.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. While specific warranty details for part number 904-7257 are not provided here, Dorman typically offers limited warranties covering defects in material and workmanship. For exact warranty terms, consult the product documentation or Dorman’s official resources.