Marine MRO - Propulsion System Overhaul: Market Size & Forecast 2026

The global marine propulsion system overhaul market sits at approximately USD 18.5 billion in 2025 (base year), held in a structurally tight balance between mature commercial vessel replacement cycles, accelerating naval modernization programs, and a wave of emission-compliance retrofits driven by IMO EEXI/CII enforcement. The dominant supply state is concentrated: six Tier-1 providers and their affiliated OEM networks control an estimated 55-65% of high-value overhaul capacity, while dry-dock infrastructure bottlenecks in Asia-Pacific and Europe give yard operators meaningful pricing power. The headline cost driver is not labour, it is the pass-through of marine fuel oil, steel, and nickel-alloy prices into spare-parts procurement and machining operations. > **Analyst Take.** Our view: the consensus 3.4% CAGR is directionally correct but the composition is wrong. Buyers are over-weighti

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