Automotive Parts [Lifetime Warranty] 213-4777 Engine Coolant Temperature Sensor
213-4777 engine coolant temperature sensor with brass threaded housing and black plastic electrical connector.
213-4777 engine coolant temperature sensor with brass housing and black connector shown on a promotional graphic.
213-4777 engine coolant temperature sensor showing high-quality metal and plastic construction details.
Comparison chart of 213-4777 engine coolant temperature sensor showing durable construction versus inferior alternatives.
213-4777 engine coolant temperature sensor with brass housing and black connector plug.
213-4777 engine coolant temperature sensor with brass threaded housing and black plastic electrical connector.
BlueStars 213-4777 engine coolant temperature sensor promotional graphic featuring a family driving in a car.
213-4777 engine coolant temperature sensor with brass threaded housing and black plastic electrical connector.
213-4777 engine coolant temperature sensor with brass housing and black connector shown on a promotional graphic.
213-4777 engine coolant temperature sensor showing high-quality metal and plastic construction details.
Comparison chart of 213-4777 engine coolant temperature sensor showing durable construction versus inferior alternatives.
213-4777 engine coolant temperature sensor with brass housing and black connector plug.
213-4777 engine coolant temperature sensor with brass threaded housing and black plastic electrical connector.
BlueStars 213-4777 engine coolant temperature sensor promotional graphic featuring a family driving in a car.
Lifetime Warranty

[Lifetime Warranty] 213-4777 Engine Coolant Temperature Sensor

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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.

FAQ

This sensor is compatible with a wide range of Buick, Cadillac, Chevrolet, GMC, Pontiac, Saturn, and Suzuki vehicles produced between 2004 and 2017. Common applications include the Buick Enclave, LaCrosse, and Rendezvous; Cadillac CTS, SRX, and STS; Chevrolet Camaro, Malibu, and Equinox; and GMC Acadia and Traverse.
A failing sensor often causes the 'Check Engine' light to illuminate, inaccurate temperature gauge readings, poor fuel economy, or engine overheating warnings. You may also notice rough idling, black smoke from the exhaust, or the cooling fan running continuously even when the engine is cold.
This sensor replaces OEM part number 213-4777 and is also cross-referenced with GM part number 12639899.
Installation is generally straightforward and can be completed in about 30 to 60 minutes. You will typically need a deep-well socket, a ratchet, and a drain pan to catch the small amount of coolant that will escape when the old sensor is removed. Always ensure the engine is completely cool before starting the repair to avoid burns.
Yes, ensure the engine is cold before beginning. Because you are opening the cooling system, you will lose a small amount of coolant; be prepared to top off your coolant reservoir and bleed any trapped air from the system after the new sensor is installed to prevent overheating.