A Toyota Sienna 21-25 with a 2.5L hybrid engine and Electronic On-Demand All-Wheel Drive (AWD) uses a hybrid transmission (eCVT) system, not a conventional gearbox, which is comprised of a 2.5L 4-cylinder engine, electric motors, and a continuously variable transmission. The “”OEM”” refers to Original Equipment Manufacturer, indicating the component is a genuine part designed by Toyota for that specific vehicle, ensuring quality and proper fit.
The 2.5-liter 4-cylinder engine provides power to the hybrid system.
These motors add power and assist in driving, especially at lower speeds or during acceleration.
The “eCVT” (electronic Continuously Variable Transmission) is a hybrid transmission that allows for smooth power delivery without distinct gear changes.
The “Electronic On-Demand” AWD system uses a separate electric motor on the rear axle to provide power when needed, enhancing traction and agility without a mechanical connection to the front wheels.
What “OEM” Means
Why You Might Look for an OEM Part
 uses a hybrid transmission (eCVT) system, not a conventional gearbox, which is comprised of a 2.5L 4-cylinder engine, electric motors, and a continuously variable transmission. The “”OEM”” refers to Original Equipment Manufacturer, indicating the component is a genuine part designed by Toyota for […]){kind=link}
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