1、OEM Number: The truck seat level valve replacement part number is 1439977 for reference, please double check the part number of your item before purchasing. 2、Wide Application: The heavy duty truck air suspension seat level valve is extensively applicable to all trucks under replacement for Scania to better meet your various demands. 3、OEM Production: The valve is formed according to the scanned original car data, which is consistent with the product function of the original car, and the effect is remarkable. 4、High Quality Materials: The truck seat level valve is made of the preferred ABS material, it is resistant to wear and rust, and is a product that can coexist permanently with the car. 5、Professional Production: Premium air suspension seat level valve has undergone extensive quality and safety testing to ensure long service life and strong durability.