Vauxhall 1.4 1.6 16v Ecotec water pump Astra Corsa Tigra WP36 ***Please note – two types of water pump are available. Please check your own water pump against the pictures*** Fits 1.4 and 1.6 16v Vauxhall Ecotec engines with the following codes: X14XE / Z14XE X16XE / Z16XE Ideal for 1300cc stock cars and road vehicles. Same seals we use on customer`s rebuilds.