like the topic says, I need an s13 sr20det water pump. Preferrably new. Located in Waterloo. Not sure if there is really a difference between the open and closed impellar, but I would like the most efficient one 
like the topic says, I need an s13 sr20det water pump. Preferrably new. Located in Waterloo. Not sure if there is really a difference between the open and closed impellar, but I would like the most efficient one