<div data-store-description="v1"> <p>HVAC Module for Chevy Silverado GMC Sierra 1500 2500 (1999-2006). Supplied product details follow.</p> <h3>Specifications and fitment</h3> </div> <p>Includes: - HVAC Climate Control Module</p> <p>Fits Models: - Chevrolet Silverado 1500, 2500 - GMC Sierra 1500, 2500</p> <p>Model Years: - 1999–2006</p> <p>Submodels: - Common trims include WT (Work Truck), LS, LT, and LTZ - Chassis codes: GMT800</p> <p>Engine Options: - Compatible with standard engine options, including 4.3L V6, 4.8L V8, 5.3L V8, 6.0L V8, and 8.1L V8</p> <p>Description: This HVAC Climate Control Module is designed for Chevrolet Silverado and GMC Sierra models from 1999 to 2006. It regulates the heating, ventilation, and air conditioning systems, ensuring optimal comfort within the cabin. This module is a direct replacement for the original part, providing reliable performance and easy installation.</p> <p>Features: - Direct replacement for OEM part - Ensures proper climate control functionality - Compatible with multiple engine options - Fits various trims and body styles - Durable construction for long-lasting use</p> <p>Part Number: 599-266</p>