Features: Premium parts you can rely on for durability and performance. Designed to keep your air intake system in top shape. Built to provide long-lasting service at an affordable price. Application: Fits all 2006-2012 GM Duramax 6.6L Diesel Engines (LBZ/LMM/LLY). Compatible with Chevrolet Silverado 2500/3500 HD, GMC Sierra 2500/3500 HD, Express, and Savana models. Function: Monitors air temperature in the intake system to ensure optimal engine performance. Helps maintain fuel efficiency and prevent poor engine operation caused by inaccurate temperature readings. Why It's a Must-Have: This part is commonly damaged during intake or y-bridge service. A faulty Intake Air Temperature Sensor can lead to poor engine performance, reduced fuel economy, and increased emissions. Replacing it ensures your vehicle runs smoothly and efficiently. Package Includes: 1 x Intake Air Temperature Sensor (Part Number: 97381182).