This transmission speed sender, part number 0C8927321 from VAG, is a critical component for your vehicle's automatic transmission system. It accurately measures the speed of the transmission's output shaft and sends this data to the engine control unit (ECU). This information is vital for the ECU to precisely control gear shifts, manage torque converter lock-up, and optimize fuel efficiency. A malfunctioning speed sender can lead to erratic shifting, poor acceleration, illuminated check engine lights, and potential transmission damage. Crafted with high-quality materials and engineered to meet VAG's stringent standards, this sender ensures reliable and consistent performance. Replacing a faulty speed sender with this genuine VAG part will restore proper transmission function and help prevent further issues.
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