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Remanufactured transmissions that fit the 2021 Toyota Sienna. 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 2021 Toyota Sienna is worth — most units below beat that comfortably.
As a general rule of thumb, a transmission replacement on a 2021 Toyota Sienna (mid-size sedan segment, vehicle value roughly $10,152–$12,920) is usually worth it when the installed cost stays under about $5,768 — roughly 50% of what the vehicle is worth.
Based on vendor-verified fitment data across 40 listed transmissions, remanufactured and new transmissions for this model cover the 1999–2017 model years. Always confirm your exact VIN or engine/transmission code before ordering, since fitment can vary by submodel or engine.
