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The Ford Fusion transmission varied significantly across its production run from 2006 to 2020. Early models from 2006 to 2012 used a 5-speed automatic paired with 2.3L or 2.5L engines. From 2013 onward, Ford introduced the 6-speed SelectShift automatic, the 6F35, and the 6F50 depending on engine and trim. Hybrid and plug-in hybrid variants used a continuously variable transmission (CVT) designed to maximize fuel efficiency alongside the 2.0L or 2.5L hybrid powertrain.
Owners across model years have reported specific Ford Fusion transmission problems including harsh or delayed shifting, slipping between gears, shuddering at low speeds, and in some cases complete loss of drive engagement. The 6F35 unit found in 2013–2018 models is known to develop issues with the torque converter and valve body. The 1.5L EcoBoost-paired automatic has been associated with cold-start shudder complaints. Monitoring transmission fluid condition is the most effective preventive step.
A well-maintained Ford Fusion automatic transmission can generally last between 150,000 and 200,000 miles. The hybrid CVT tends to be more durable given its simpler mechanical design. Transmission fluid condition plays the largest role —Ford recommends inspection every 30,000 miles and replacement under severe driving conditions.
Ford Fusion transmission replacement cost depends on the year and engine. A new OEM unit for a standard 2.5L model typically runs $2,500 to $4,500 installed. A used low-mileage used Ford Fusion transmission from a donor vehicle generally falls between $1,200 and $2,500 before labor, making it the most cost-conscious path for owners of older Fusion models.
Depending on the model year and trim, the Fusion used a 5-speed automatic, 6-speed SelectShift automatic (6F35 or 6F50), or a continuously variable transmission in hybrid models.
With regular fluid maintenance, most Fusion transmissions last 150,000 to 200,000 miles under normal driving conditions.
Common signs include shuddering at low speeds, delayed gear engagement, slipping between gears, and transmission warning lights on the dashboard.
A used unit from a low-mileage, verified donor vehicle can be a dependable and cost-effective replacement, especially for 2013–2018 6-speed models that are widely available.