Description Sherwood P1727C is a flange‑mounted bronze raw water engine cooling pump for Cummins marine engines, featuring a neoprene flexible impeller, high‑chrome nickel stainless steel slotted drive shaft, vertical inlet/outlet ports, cammed housing, flange mounting, and drain plug; replaces Sherwood models P1727, P1727A, P1727FB, P1727X (etc.) and Cummins 3897194/3964767; suits Cummins 6CTA8.3 400/420 HP engines. A core return fee may apply. Please call us on 1300 202 272 to find out more.