The Walker Products Engine Coolant Temperature Sensor (part number 211-1127) is a direct-fit replacement for 2003-2007 Chevrolet and GMC vehicles with 8.1L engines. Walker Products Engine Coolant Temperature Sensors match OE performance to deliver accurate data for engine protection, fuel control, and emissions management.
Features:
- Enables ECM to protect engine from overheating and improve cold starts.
- Durable materials ensure long service life in hot, high-vibration environments.
- Direct-fit replacement simplifies installation and restores sensor function.
- Built to match OE specifications for signal response and thermal accuracy.
- Monitors engine coolant temperature to optimize fuel delivery and ignition timing.
Specifications:
| Number of Terminals | 2 |
| Connector Type | Blade |
| Connector Shape | Oblong |
| Terminal Gender | Female |
Fits: 2003-2007 Chevrolet and GMC models including Avalanche 2500, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500, Silverado 3500 Classic, Suburban 2500, Sierra 2500 HD, Sierra 2500 HD Classic and more — 8.1L engines.
Confirm the year, make, model, and engine against your vehicle before ordering. Full application data is shown in the fitment lookup on this page.
Interchanges With: Tomco Products 12320, Wells SU1512, NTK EF0156, SMP TX110, General Motors 12572027, ACDelco 2131526
WARNING: This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm.
