Identifying marine genset parts

One genset can have several makes and models

A marine generator set combines an engine, an electrical alternator and a control system. The name on the enclosure may be the genset assembler’s brand. For parts identification, photograph the separate plates and labels wherever they are accessible.

Tell us whether you need parts, repair or replacement

Engine service parts

List the filters, belts, gaskets, cooling-system components or other items required. Include the engine serial number and existing part references. A genset model alone may not identify every engine component.

Electrical or control components

For an AVR, controller, sensor or generator-end part, send its own identification. Similar-looking modules can have different specifications and connections. An engine-brand match does not confirm that an electrical component is suitable.

Repair enquiry

Describe the symptom, any displayed fault code and when it occurs. Include service history or a workshop report if available. This information helps scope an inspection; a symptom alone does not confirm which part needs replacement.

Complete replacement

Send the existing set’s plates, installation photos and available equipment list. Include the stated kW and kVA, voltage, phase, frequency, engine speed and duty rating. Add the starting or control voltage separately, along with the required delivery date.

Examples from Singapore operator specifications

These examples from published operator specifications show the engine model listed for each generator installation. Photograph the plates on your own equipment when requesting parts.

For a replacement, include the installation requirements

Alongside the existing ratings, describe what the generator normally supplies and which equipment starts or runs together. Share any available load list or survey requirements. A replacement should be reviewed against the vessel’s actual electrical and installation requirements before it is selected.

Photos of the enclosure, access route, mounting area, cooling and exhaust arrangements also help establish the scope. We can use these details to discuss supply, repair or replacement and identify what needs further inspection.