Cummins 4BT / A3.9 Heat Exchanger 3910582 Replacement

Aftermarket heat exchanger for Cummins 4 Cylinder 4BT marine engines.

Replaces Cummins 3910582  .

4" Diameter x 16.25" long shell, copper nickel core Replacement for Cummins part #3910582. Raw Water Inlet/Outlet: 1.25". 3910582 equivalent to Sen-Dure 9445-1-7.

Copper Nickel bundle for superior resistance to corrosion.

This is a Mr Cool (USA) marine part MRC3910582CN.