XKs Unlimited is proud to introduce two new water pumps to its range of manufactured components. They are faithful reproductions of the originals Ð weÕve even included a non-functioning bearing set screw to retain the original appearance, even though the modern sealed bearings used do not require its use. Our pumps are cast with high-quality, permanent, metal molds. TheyÕre much more expensive than the wooden molds commonly used for limited production runs but yield a far more accurate casting with less flashing and therefore less grinding. Compare our pumps to other reproductions on the market. The differences are dramatic. Modern manufacturing techniques and state-of-the-art internal components are used to produce a quality part that will give years of trouble-free service. The pump casting is inspected, then CNC milled and bored to exacting dimensions to ensure proper alignment and a good bearing seal. The shafts and the permanently lubricated and sealed bearings are upgraded and of the best quality available. The carbon housing-to-impeller seal is also of upgraded quality. Finally, the impeller is designed for maximum flow. A gasket and all required fittings are included. Part number CO-25091 fits 4.2 Series I E-Type.