Shop Ford Fusion Powertrain System & Ford Fusion Driveline Products Get Ford Fusion Driveline Replacement. Discover Ford Fusion Drivetrain. Maintaining the drivetrain of your Ford Fusion is vital for ensuring smooth operation and longevity. Regularly checking the transmission fluid for color and level, listening for unusual noises, and paying attention to shifting patterns can alert you to potential issues that may require drivetrain replacement. To extend its lifespan, avoid aggressive driving and ensure timely servicing. When selecting a new drivetrain, consider the FWD and AWD options offered, each enhancing performance and traction in varied conditions. High-quality materials in the construction of these systems ensure durability, while proper installation guarantees optimal function, making your online purchase a smart investment in your Fusion's future.