How it works

To deliver a ready-to-fit unit, we need to identify your engine exactly. Here is what to send us and what happens next.

1. What to send us

Three phone photos are enough. Take them straight on, sharp, without glare, showing the whole label or plate.

Photo 1 — the old unit's label

The sticker or metal plate on the unit's housing. It shows the part number: for example "374-2640" on Caterpillar, a 7-digit number on Cummins, an 8-digit number on Volvo. If the label is damaged, photograph whatever is still readable.

Photo 2 — the engine plate

The plate fixed on the engine, showing the engine serial number and model. The table below shows where to find it.

Photo 3 — the machine plate

The manufacturer plate of the machine, truck, generator set or boat: model, year, machine serial number.

If you have them (optional)

  • Fault codes shown on the dashboard or read with a diagnostic tool.
  • Symptoms: engine will not start, cuts out, goes into derate mode…
  • A photo of the unit's connectors (number and shape of the plugs).

2. Where to find the engine serial number

The engine serial number is not the machine serial number: it is on a plate fixed on the engine itself. Usual locations:

BrandWhere to lookWhat it looks like
CaterpillarIdentification plate on the engine block or valve cover. Often also shown on the machine display or in the diagnostic software.A 3-character prefix followed by 5 digits (made-up example: ABC12345).
CumminsDataplate on the valve cover or on the side of the gear housing.8 digits, called "ESN" (made-up example: 12345678).
Volvo / Volvo PentaIdentification plate on the engine, usually on the valve cover or the side of the block.The engine designation (for example TAD…) and the engine serial number.
PerkinsPlate on the side of the engine block.A code of letters and digits, about fifteen characters long.
John DeerePlate on the side of the engine block.A code of letters and digits, about 13 characters long, often starting with two letters.

Plate unreadable or missing? Send a photo of the machine plate and of the unit's label: we will help you find the number.

3. After you send it

  1. We check the part number and compatibility with your engine.
  2. Within 24 h (working days) you receive a quote: price, condition (used genuine or factory-remanufactured), lead time and terms.
  3. Once you agree, we prepare the unit: it is matched to your engine serial number, then checked before shipping.
  4. We ship it with the invoice.
  5. You fit it in place of the old one: same mounting points, same connectors.

4. Fitting

In most cases the unit plugs in where the old one was, with no further adjustment. On some machines, additional setup with your workshop's diagnostic tool may be needed after fitting (machine-specific settings). If that applies to your engine, we tell you in the quote, before you order.

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Industrial diesel engine, front end and pulleys
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