158-0811 Engine Water Coolant Temperature Sensor

Engine Coolant Temperature Sensor (ECT Sensor) - Replaces Part Numbers: 213-4514, 213-4333, 19236568. Compatible with Chevrolet Avalanche, Impala, Trailblazer, Suburban 1500/2500 HD, Express, Silverado; GMC Envoy, Sierra, Yukon, Savana; and Saturn vehicles. This sensor accurately monitors engine coolant temperature, providing crucial data to Engine Control Module (ECM) for precise fuel injection, ignition timing, and other critical engine functions. Failure of this sensor can lead to poor fuel economy, rough running, overheating, and potential engine damage. This is a direct replacement part, designed to meet or exceed OEM specifications for reliable performance and longevity.