1、Applicable Models: Spring cap is replacement for Citroen C4 I 2004 to 2011, and replacement for Peugeot 207 CC. Please confirm whether your model is applicable before buying. 2、OE Number: The part number of reference is 503375, please confirm whether it is consistent with the OE you need. 3、Optimize Suspension Performance: FEBI spring plate can provide effective support and cushioning, make the suspension system more stable, reduce the jolts and vibrations of the vehicle, and improve the ride comfort. 4、Reduces Noise: The front spring plate cap absorbs and disperses noise and vibration generated by the vehicle during driving, reducing driver and passenger discomfort. 5、Durable Construction: Front spring cap is made of premium material, which is sturdy and durable and can be used for a long time in harsh environments. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.