Features: 1.Applicable Model: This HVAC blend door actuator is replacement for DeVille 2000?2005. Please confirm whether your model is suitable before buying. 2.OE Number: The reference part number of the HVAC blend door actuator is 604?166, 89018380, and 52474878. And double check the part number of your item to ensure perfect fit. 3.Practical Function: Effectively adjust the air conditioning damper to the set position, which can adjust the environmental humidity, cleanliness, exhaust air volume and wind frequency. 4.Durable Material: This actuator is made of premium ABS material, which has high temperature and wear resistance, and is not easy to damage, to ensure long lasting durability. 5.Easy to Replace: Replace the old or damaged original car heating controller, restore the normal operation of air conditioning, to give passengers a comfortable environment. Specification: Item Type: HVAC Blend Door Actuator Material: ABS OE: 604-166, 89018380, 52474878 Application: Replace the old or damaged original car heating controller, and effectively adjust the air conditioning damper to the set position, which can adjust the temperature, ambient humidity, cleanliness, exhaust air volume and wind frequency of the car gas, to ensure that passengers are in a comfortable natural gas environment under a variety of external weather and standards. Fitment: Replacement for DeVille 2000-2005 Note: 1. Please double check the part number of your item, matching information is for reference only. 2. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!