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

Your Reliable Source for Gas Turbine Parts + Services

AP+M stocks an expansive inventory of aeroderivative parts for GE™ LM series engines through our reliable partnerships around the world. This enables AP+M to meet your aeroderivative turbine component needs on time—every time.

All of our in-stock aeroderivative parts are available for immediate delivery with capabilities to ship parts 24 hours a day, 7 days a week, 365 days a year.

All parts provided by AP+M are guaranteed with a warranty of 18 months from delivery date or 12 months from installation.

In addition to our extensive inventory of genuine GE™ LM series aeroderivative parts, we also provide OEM-approved repair and overhaul services along with technical support for all of our customers.  Adding a test line.

GE™ Parts

AP+M stocks a range of genuine GE™ aeroderivative gas turbine parts and services for the following engine types:

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Search our GE™ Parts Inventory Here


We offer reliable solutions for profitability and focus on helping you meet your sustainability objectives. Whether it is OEM parts you need for a planned outage or a team of experienced field service engineers, AP4 has your power generation requirements covered.

Natural Gas accounts for almost a quarter of the World's energy consumption. Due to the harsh environment these platforms are in, it is imperative to have a responsive partner who is able to meet your needs and ensure your operations run efficiently.

AP+M has been supporting LM2500s in commercial and naval marine applications for 30+ years.  AP+M's complete range of genuine OEM spare parts, component repairs and experienced field service engineers keep the navies, passenger cruise lines and other commercial ships powered by the LM series gas turbines operating around the world.


OEM Distribution

As we strive to be an integral part of our customers’ operations, our OEM alliances are a critical component to this ability. Our vast and exclusive partnerships are what allow us to be the leading stocking distributor of genuine, high-quality turbine parts.

Parts Supply

AP+M is able to meet your need for heavy-duty and aeroderivative gas turbine parts wherever + whenever by combining our extensive, in-stock turbine parts inventory with fast access to reliable, global sourcing partners

Component Repair

To complement our large heavy-duty turbine parts inventory, we also offer original OEM-approved repair and overhaul services along with technical support to all customers


Simplify your next planned outage with a fully-stocked consumables kit delivered directly to your site, and only pay for the parts used.