OE: 52474810 F04004 15-72507 655-1546 604-101 604101 Features: Item type: Heater Blend Door Actuator Fit and Quality Guaranteed Made of high quality material, safe, strong, durable. Recommended for replacement during blend door replacement. Easy to Install, direct replacement for a proper fit every time. Compatibility: 2002 Cadillac Escalade 2002 Cadillac Escalade EXT 2002 Chevrolet Avalanche 1500 Main Temperature 2002 Chevrolet Avalanche 2500 Main Temperature 2002 Chevrolet Silverado 1500 Main Temperature .