This Wiper plug is slightly larger then the xB wiper plug. It is made of chrome and color matched. To install you will need to use silicone sealant to hold it in and keep it water tight. 
xA Wiper Plug
xA Wiper Plug
Ordering instructions: 
Please Make sure you Identify your color code by clicking the gold color look up button above and enter it in the space provided. 
Wiper plugs
Enter Color Code here