Description Bronze-engine cooling pump end (GC5‑01) with neoprene impeller, 1½” inlet/outlet, corrosion‑resistant bronze body, stainless‑steel slotted drive shaft, flange mounting, machined‑in cam, vertical port orientation. Compatible with Cummins 6B Series (250 HP), replaces Sherwood GC5 and Cummins 3927684; uses impeller kit 15000K, minor repair kit 23980, major repair kit 23981. A core return fee may apply. Please call us on 1300 202 272 to find out more.