HVAC blend door actuator for 1500 mode 99-02 with part 604-113 [FUNCTION]: Replacement air door actuator controls the temperature of air from AC vents and recirculation/ outside air into the interior of the vehicle.<br> [REPLACE PART]: 52473356, 604-113, F04020, 73003. Direct replacement for the factory blend door actuator on your vehicle.<br> [EASY INSTALLATION]: Quick and simple installation for a proper fitment on driver and passenger side. Don't forget to recalibrate you HVAC system after installation.<br> Part Name: HVAC Heater Blend Door Actuator<br> Condition: New<br> Manufacturer Part Number: 604-113<br> Placement on Vehicle: Front<br> Fitment Type: Direct Replacement<br> Interchange Part Number: 52473356, 604-113, 15-72505<br> Compatible with the following vehicles:<br> Vehicle Information for:<br> Escalade 2002<br> Escalade EXT 2002<br> 1500 2002<br> 2500 2002<br> 1500 1999-2002<br> 1500 HD 2001-2002<br> 2500 1999-2002<br> 2500 HD 2001-2002<br> 3500 2001-2002<br> 1500 2000-2002<br> 2500 2000-2002<br> 2000-2002<br> 1500 1999-2002<br> 1500 HD 2001-2002<br> 2500 1999-2002<br> 2500 HD 2001-2002<br> 3500 2001-2002<br> 2000<br> XL 1500 2000-2002<br> XL 2500 2000-2002<br> Material:plastic<br> colour:black<br> Package Contents:<br> 1 * HVAC Heater Blend Door Actuator<br> Only the above package content, other products are not included.<br> Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.