Dual-Circuit Cooling for Yanmar 3GM/3GM30

Martec heat exchanger dual-circuit cooling for small diesel engines: Engine type Yanmar 3GM/3GM30 Info: For converting engines with direct cooling (single-circuit system) to dual-circuit cooling. These heat exchangers are supplied as a kit, specially matched to a large number of different engines. They are mounted directly on the engine. Standard conversion kits for various engine outputs are also supplied. These heat exchangers are mounted on a wall. All Martec cooling-water heat exchangers are supplied complete with expansion tank, electric Johnson circulation pump and mounting hardware.