This VAG Coolant Temperature Sender Unit (Part 251919501) is a critical component for your vehicle's engine management system. It accurately measures the coolant temperature and sends this vital information to the engine control unit (ECU). Proper functioning of the coolant temperature sensor is essential for optimal engine performance, fuel efficiency, and preventing overheating. A faulty sensor can lead to incorrect fuel mixture calculations, poor starting, increased emissions, and potential engine damage. Crafted to meet VAG's stringent quality standards, this sender unit ensures durability and consistent performance. Replacing a worn or malfunctioning sensor with this genuine part will help restore your vehicle's temperature monitoring system to its original specifications.
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