New coolant expansion tank, also known as a water bottle or radiator overflow bottle to fit your Volkswagen Polo 1.6 I 8V 9N Model Years: 2003-2009 Engine Code/s: BAH. Beta expansion tanks are economical aftermarket replacement parts for your vehicle. You will need to re-use your original radiator cap, as this is not supplied with the bottle. We do recommend purchasing a new radiator cap when replacing your expansion tank

What's in the box
1 x Expansion Tank