High Performance Water Pump

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Subaru changed their water pump design from a closed back cast impeller type to an open back stamped steel impeller to save money. The earlier cast impeller design is more efficien t due to its rigidity and closer tolerances. We recommend using the cast impeller pump for all high-performance turbo applications. Available with 3 ports for use with a factory oil cooler or 2 ports for non-factory oil cooler applications. What it fits: EJ257 / EJ255 EJ20X / EJ20Y EJ207 / EJ205 / EJ204 EJ20K / EJ20G EJ206 / EJ208 / EJ20H / EJ20R Show more