Product Description
Genuine GM Coolant Temperature Sensor – GM Part #25186240
Fits 2016–Newer Gen V LT-Based GM V8 Engines | 5.3L, 6.2L & 6.6L
The Genuine GM 25186240 Engine Coolant Temperature Sensor is the correct OEM replacement for select 2016-newer Gen V LT-based GM V8 engines. This sensor provides accurate coolant temperature data to the ECM, ensuring proper fuel delivery, ignition timing, cooling fan operation, and overall engine management. Manufactured to GM OE specifications, it delivers factory-level accuracy, durability, and reliability. The sensor includes a sealing washer and pre-applied thread sealant for a secure, leak-free installation.
Key Features & Benefits
- Accurate Coolant Temperature Monitoring: Supplies precise engine temperature data to the ECM for optimal fuel control, ignition timing, and cooling fan activation.
- OEM GM Fit, Form & Function: Manufactured to original GM specifications to ensure direct bolt-on installation and correct sensor calibration.
- Restores Proper Engine Operation: Ideal replacement for failed or inaccurate sensors that can cause hard starts, poor drivability, incorrect fan operation, or warning lights.
- Includes Installation Essentials: Comes with a sealing washer and pre-applied thread sealant for a secure, leak-free installation.
- Built for Harsh Engine Environments: Designed to withstand high temperatures, pressure, and vibration common in Gen V LT engine platforms.
Important Fitment Note
Please reference the product images to verify electrical connector compatibility before ordering.
Key Fitments (5.3L, 6.2L & 6.6L Gasoline Engines Only)
- Cadillac Escalade: 2021–2024
- Chevrolet Camaro: 2016–2024
- Chevrolet Corvette: 2020–2025
- Chevrolet Express 2500: 2021–2024
- Chevrolet LCF: 2021–2024
- Chevrolet Silverado 1500: 2016–2024
- Chevrolet Silverado 2500: 2020–2024
- Chevrolet Silverado 3500: 2020–2024
- Chevrolet Suburban: 2021–2024
- Chevrolet Tahoe: 2021–2024
- GMC Savana 2500: 2021–2024
- GMC Sierra 1500: 2016–2025
- GMC Sierra 2500: 2020–2025
- GMC Sierra 3500: 2020–2025
- GMC Yukon: 2021–2024
- GMC Yukon XL: 2021–2024
