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Remanufactured engines that fit the 2004 Ford Mustang. Each unit below is matched to this vehicle, warranty-backed, and shipped with freight quoted at checkout from Peak Powertrain.
Rule of thumb: a engine replacement is usually worth it when the installed cost stays under 42% of what the 2004 Ford Mustang is worth — most units below beat that comfortably.
Based on 120 recent market listings, an engine for a 2004 Ford Mustang typically runs $2,338–$4,700, with a median around $3,176.
As a general rule of thumb, an engine replacement on a 2004 Ford Mustang (performance segment, vehicle value roughly $5,000–$5,600) is usually worth it when the installed cost stays under about $2,100 — roughly 42% of what the vehicle is worth.
Based on vendor-verified fitment data across 42 listed engines, remanufactured and new engines for this model cover the 1987–2023 model years. Always confirm your exact VIN or engine/transmission code before ordering, since fitment can vary by submodel or engine.
