AP4 Group – Full-Service Heavy-Duty & Aeroderivative Industrial Gas Turbine Maintenance Provider.

Oil and Gas
Gas Turbine Parts and Services

Industrial gas turbines have been utilized for power generation, combined heat & power and mechanical drive applications serving the oil & gas industries for more than 50 years.  GE™ LM and Frame series gas turbines have been used extensively in offshore oil & gas drilling & production platforms, Floating Production, Storage & Offloading (FPSO) vessels pipelines, LNG compression trains and refineries.

AP+M and AP4 Services provide parts, component repair and field maintenance expertise including operations & maintenance support, controls, excitation, LCI, mechanical and upgrade services.  Whether you are onshore or offshore, our team is ready to serve your gas turbine spares and maintenance needs.  Engine types supported include:

  • LM1600
  • LM2500
  • LM5000
  • LM6000
  • Frame 5
  • Frame 6B
  • Frame 7


As an OEM authorized stocking distributor, AP+M's extensive inventory of industrial gas turbine spare parts is available for immediate shipment worldwide.  With over 10,000 SKUs in stock, our extensive network of suppliers and excellent customer service, you can count on our quality, parts availability and prompt delivery at competitive prices.

Repair rather than replacement saves you time and money.  AP+M's OEM alliances provide a full range of gas turbine accessory component repairs performed by the OEM themselves, OEM authorized repair shops or AP+M's own internal MRO capabilities.  Component exchanges are available on many commonly repaired components.

Our dedicated team of Field Service Engineers is on standby to provide technical & maintenance solutions to your gas and steam turbine controls, instrumentation, mechanical and system upgrades and modifications.  Your power plant availability and reliability are important to us.  We know time matters and our team is available to serve your needs 24/7/365.


Worldwide Customer Support

With teams dedicated around the world, AP4 and it's subsidiaries are positioned to ensure your needs are met no matter when, no matter where.

Knowledgable Technicians

When utilizing AP4s Mechanical Field Services, you will be getting one of the most established, knowledgeable, and professional teams in the service industry. With decades worth of knowledge at their disposal our technicians are able to diagnose and triage any stoppage or downtime quickly, reducing loss and increasing efficiency.

Industry Leading Inventory

AP+M is one of the largest worldwide independent stocking distributors for industrial gas turbines supporting both heavy-duty and aeroderivative gas turbine parts. We aim to be an integral part of
your operations – a reliable partner in quickly delivering genuine OEM parts to operators, end-users, depots and repair & maintenance providers around the world. We support industrial gas turbine industries through an extensive inventory of more than 10,000 SKUs of turbine and balance of plant parts.