Walker Engine Coolant Temperature Sensor With Pigtail 01-10 GM 6.6L Duramax LB7/LLY/LBZ/LMM

Is your truck running rough, struggling with cold starts, or showing signs of poor fuel economy? The Walker Engine Coolant Temperature (ECT) Sensor is the key to restoring accurate temperature data so your engine can run efficiently and reliably. By monitoring coolant temperature and relaying that information to your ECM, this sensor ensures proper fuel delivery, timing adjustments, and overall engine performance. Whether you're daily driving or putting your truck to work, a properly functioning ECT sensor helps eliminate drivability issues, improves fuel efficiency, and keeps your engine operating at the correct temperature.

Built for long-term durability, this Walker sensor is manufactured from high-quality, heat-resistant materials that withstand extreme temperature fluctuations and harsh conditions in the engine bay. Its rugged construction resists corrosion, vibration, and thermal stress, ensuring consistent and accurate readings over time. Engineered to meet or exceed OE specifications, this sensor is fully tested for proper fit, form, and function, providing a dependable direct-fit replacement that installs easily and delivers reliable performance in demanding diesel and gas applications.