213-4777 Engine Coolant Temperature Sensor

213-4777 Engine Coolant Temperature Sensor213 4777 Engine Coolant Temperature Sensor Key Features Monitors engine coolant temperature to provide critical data to the engine control module. Ensures the engine operates within its optimal temperature range for performance and efficiency. Triggers high temperature warnings on the instrument panel. Manufactured to original equipment (OE) specifications for fit, form, and function. Features a two terminal electrical connector. Replaces Cross

213-4777 Engine Coolant Temperature Sensor

Key Features

• Monitors engine coolant temperature to provide critical data to the engine control module.
• Ensures the engine operates within its optimal temperature range for performance and efficiency.
• Triggers high-temperature warnings on the instrument panel.
• Manufactured to original equipment (OE) specifications for fit, form, and function.
• Features a two-terminal electrical connector.

Replaces / Cross-Reference Part Numbers

• ACDelco: 213-4777
• General Motors (GM): 12639899

Compatibility & Fitment

• Designed as a direct-fit original equipment replacement for a wide range of General Motors vehicles.
• Please verify compatibility with your specific year, make, model, and engine before purchase.

When to Replace

• Inaccurate or fluctuating temperature gauge readings.
• Engine overheating or running too cool.
• Illuminated Check Engine Light (CEL) with relevant fault codes.
• Noticeable decrease in fuel economy.
• Difficulty starting the engine, especially when cold.

Installation Tips

• Allow the engine to cool completely before beginning the replacement.
• Partially drain the cooling system to a level below the sensor's location to minimize coolant loss.
• Clean the sensor's threaded port before installing the new component.
• Torque the new sensor to the vehicle manufacturer's specified value.
• After installation, refill and bleed the cooling system according to the service manual.