Turbofan Engines: Market Size & Forecast 2026

The global turbofan engine category sits at roughly USD 42 billion in 2025 (base year), held in a structurally concentrated three-supplier oligopoly that produces over 99% of large commercial thrust-class hardware, layered on top of a long-cycle MRO aftermarket growing at mid-single-digits. Nickel-based superalloy feedstock costs, sustained CFM LEAP / GEnx / GTF aftermarket demand, and a U.S. Section 232 investigation into commercial aircraft and turbofan imports shape the next 24 months; the investigation did not produce tariffs but it produced negotiating leverage that the buyer side cannot ignore. > **Analyst Take.** Our view: the three-OEM oligopoly is not the only buyer-side overhang; the silent one is superalloy concentration combined with a 7-10 year engine qualification cycle that locks buyers into a single OEM for the life of an airframe. The call is: lock 24-month Power-by-the-

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