Over 70 years of experience

Since 1950, OMPI di Mottaran has been active in the diesel engine sector as a spare parts supplier and a specialist workshop for the overhaul of injection pumps, injectors, and diesel system components.

We work on 2-stroke and 4-stroke engines, with particular expertise in marine applications, generator sets, power plants, industrial facilities, locomotives, and automotive diesel systems.

Why choose OMPI

Technical specialization

We are not only a general repair workshop: our business focuses on injection pumps, injectors, diesel systems, and related components.

Rapid technical interventions

In the event of vessel downtime, plant stoppage, or an urgent breakdown, OMPI can prioritize critical interventions.

National and foreign markets

We serve customers in Italy and abroad, providing technical support for spare parts, overhauls, and shipping.

Well-stocked spare parts inventory

We stock a wide range of diesel engine spare parts, including plungers, valves, nozzles, and overhaul kits.

Services for diesel injection systems

Diesel injection pump repair

We overhaul multi-cylinder, rotary, and single-cylinder injection pumps, checking fuel delivery, timing, regulation, and the condition of internal components.

Diesel injector reconditioning

We test and repair diesel injectors for traditional and common-rail (CR) marine and industrial applications, checking opening pressure, sealing, fuel return, and spray quality.

Testing and calibration

We use test benches to check pumps, injectors, and diesel fuel system components, making adjustments aimed at restoring correct operating parameters.

Exchange-based unit

To reduce downtime, we can supply reconditioned units on an exchange basis for selected applications, particularly in the marine, industrial, and power generation sectors.

Diesel engine maintenance and repair

Repair, overhaul, and maintenance of marine and industrial diesel engines. We service engines, auxiliary units, and mechanical components, providing fault diagnosis, specialized machining, fuel and injection system overhauls, testing, and technical support to minimize downtime and ensure operational continuity.

Our spare parts

OMPI supplies diesel engine spare parts and components for fuel injection systems. The service is aimed at customers seeking not only a component but also technical support in identifying the correct part.
Diesel injection pumps
Diesel injectors
Pumping elements
Delivery valves
Pulverizers
Gasket kit
High-pressure pumps
Dosing valves
Common rail components
Spare parts for engines

Brands and manufacturers

OMPI handles spare parts manufactured by L’Orange, Bosch, Zexel, Diesel Kiki, Woodward, Bryce, and other selected independent manufacturers.
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