<b><b>Description</b></b><br/>The expansion tank has the following effects:<br/>- Reduce cavitation<br/>- Turn the cooling system into a permanent closed system to reduce the loss of coolant.<br/>- Avoid continuous air ingress and avoid oxidative corrosion of the parts.<br/>- The water and steam in the cooling system are separated, the pressure in the system is kept stable, and the pumping amount of the water pump is increased.<br/><br/><b><b>Application</b></b><br/>2008-2013 For Volvo C30<br/>2006-2013 For Volvo C70<br/>2004-2011 For Volvo S40<br/>2005-2011 For Volvo V50<br/><br/><b><b>Package Including</b></b><br/>1* Coolant Reservoir Bottle Coolant Overflow Tank <br/><br/><b><b>Notes</b></b><br/>If your model is not available in the title and fits, please refer to the description section or use the year,make,model in the Amazon Fitment Filter System in the top left corner to confirm the compatibility before placing order<br/>