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Remanufactured transmissions that fit the 2012 Mazda 3. Each unit below is matched to this vehicle, warranty-backed, and shipped with freight quoted at checkout from Peak Powertrain.
Rule of thumb: a transmission replacement is usually worth it when the installed cost stays under 50% of what the 2012 Mazda 3 is worth — most units below beat that comfortably.
Based on 15 recent market listings, a transmission for a 2012 Mazda 3 typically runs $2,690–$4,464, with a median around $3,881.
As a general rule of thumb, a transmission replacement on a 2012 Mazda 3 (mid-size sedan segment, vehicle value roughly $2,500–$3,172) is usually worth it when the installed cost stays under about $1,336 — roughly 50% of what the vehicle is worth.
Based on vendor-verified fitment data across 35 listed transmissions, remanufactured and new transmissions for this model cover the 2004–2018 model years. Always confirm your exact VIN or engine/transmission code before ordering, since fitment can vary by submodel or engine.
