Engine ECU Bosch 0281021132 – 51.25802-1652

This Bosch engine ECU 0 281 021 132 is a genuine control unit for MAN trucks.
It carries Bosch number 0281021132 and MAN number 51.25820-1652, exactly as shown on the label.

The ECU manages injection timing, fuel quantity and turbo pressure.
Therefore, it plays a key role in power, fuel economy and emissions.
When your old ECU with number 0 281 021 132 or 0281021132 fails, this unit offers a direct replacement.

Because it is an original Bosch / MAN part, wiring and connectors match the factory harness.
As a result, installation is simple: you remove the old ECU and mount this one in the same position.
In most cases you still need coding or programming to your truck’s VIN, so please ask your MAN workshop or specialist before purchase.

The aluminium housing protects the electronics from vibration and heat.
In addition, the multi-pin connectors provide a secure and sealed electrical connection.
You can see the overall visual condition clearly in the photos, so you know exactly what you will receive.

Use this ECU when you need to replace a damaged, water-infiltrated or short-circuited control unit.
It suits workshops, fleet owners and truck breakers who want a correct MAN ECU on the shelf, ready for fast repair.

Technical data (from label)

• Brand: Bosch

• Type: Engine ECU / Engine Control Unit

• Bosch number: 0 281 021 132

• Alternative Bosch format: 0281021132

• Customer (MAN) number: 51.25820-1652

• Approval: 10R-0868555 (E1)

• Connectors: 2 rows of multi-pin plugs (as in photos)

• Application: MAN trucks using ECU 0 281 021 132 / 0281021132 / 51.25820-1652