Aftermarket Sherwood P1730C Cummins 5265994 Seawater Pump Aftermarket Sherwood P1730C Cummins 5265994 Seawater Pump Replaces Cummins / Sherwood part number: 5265994, 3866493, 3897691, P1730C Used on Cummins engines: All Cummins 6BTA’s & 6CTA’s, 255 / 270 / 330 / 350 / 370 / 450 / 480CE /... MSRP: Was: Now: $1,645.00 Add to Cart