1. Replaces Part 89018365, 604 106, 52402588, 16163982, 52402598, 52402612 Fits popular models including 2002 Silverado, Silverado 1999, Tahoe, 2001 2500 HD and more, see below for all models. 2. Factory blend door actuator compatible for a variety of Chevy, GMC, Cadillac, Buick, and Pontiac models including 2002 Silverado, Silverado 1999, Chevy Tahoe, 2001 2500 HD. Fits for 1999 2012 Chevy Silverado 1500, Chevy Silverado 2500 HD, Chevy Tahoe, GMC Sierra 1500. 3. High Quality Materials: Made with premium materials, this actuator ensures durability and longevity, providing reliable performance for years to come. The blend door actuator also features a more rugged internal circuit board which resists heat, corrosion, and vibration. 4. Please confirm your car model and the OE of the part before purchasing to avoid buying the wrong. 5. This air door actuator comes complete with a lifetime warranty.