Application For 2002 compatible for Cadillac Escalade For 2002 compatible for Chevrolet Avalanche 1500 For 2002 compatible for Chevrolet Avalanche 2500 For 1999-2002 compatible for Chevrolet Silverado 1500 For 1999-2002 compatible for Chevrolet Silverado 2500 For2001-2002 compatible for Chevrolet Silverado 3500 For 2000-2002 compatible for Chevrolet Suburban 1500 For 2000-2002 compatible for Chevrolet Suburban 2500 For 2000-2002 compatible for Chevrolet Tahoe For 1999-2002 compatible for GMC Sierra 1500 For 1999-2002 compatible for GMC Sierra 2500 For 2001-2002 compatible for GMC Sierra 3500 For 2000-2002 compatible for GMC Yukon For 2000-2002 compatible for GMC Yukon Xl 1500 For 2000-2002 compatible for GMC Yukon Xl 2500 OE/Part number 604-113 52473356 Specification Material: plastic metal Package included HVcompatible for AC compatible for AC Heater Blend Door Actuator x1 Feature 1.Direct replacement - made to match the fit and function of the air door actuator on certain vehicle years makes models and configurations 2.Durable construction - designed and tested to strict standards to help resist wear and electrical burnout for reliable operation and long service life