K20z3 k20a2 k20z1 RSX-S Civic Si OEM Water pump Housing & Oil cooler w/ H2O pump. Everything you need to run the OEM water cooled oil sandwich plate and civic Si water pump on any Honda K series engine.Includes all pictured pieces; front water pump & PCV housing, used water pump & pulley, water cooled oil sandwich plate and oil cooler to block bolt/fitting. Taken off good condition running engine, though for best result a new water pump is recommended. This item was taken off a 2007 k20z3 Civic Si engine, but this set up is compatible for k20a2 & k20z1 engines as well. Commonly adapted to k24 for performance application as well. Be sure this is what you need and understand what is needed to install. This item is in the category "Automotive\Parts & Accessories\Car & Truck Parts & Accessories\Engine Cooling Components\Water Pumps". The seller is "jbreaks" and is located in this country: CA. This item can be shipped to Canada, United States.