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Airtex 5S1478 Engine Coolant Temperature Sensor

(Audi S4 2000-02, 2004-09, A4 Quattro 1996-2006, A6 Quattro 1999-2004, TT Quattro 2000-06, A4 1996-2008, A3 1999-2002, 2004, A8 Quattro 2000-03 + 18 more models)

Manufacturer

Picture for manufacturer Airtex Automotive Division

Part Number

5S1478
5 reviews
Sale Price

$7.54

In Stock (6)

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Usually delivered within 2 days

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Product Details

The Airtex 5S1478 Engine Coolant Temperature Sensor is a precision-engineered sensor designed to monitor engine coolant temperature and provide accurate data to the vehicle's engine control unit. This critical component helps ensure optimal engine performance, fuel efficiency, and emissions control by allowing the ECU to make real-time adjustments based on coolant temperature readings.

Key Features:

  • Engineered and tested to meet or exceed OE specifications for reliable performance
  • Features modern sensor technology for enhanced accuracy and longevity
  • Provides instantaneous temperature data to the vehicle's on-board computer system
  • Direct replacement for OEM part numbers including 059919501A and 078919501C
  • High-quality construction ensures consistent performance throughout its service life

Airtex sensors are manufactured to exacting standards and undergo rigorous testing to ensure compatibility and dependability. This coolant temperature sensor plays a vital role in engine management systems, helping prevent overheating conditions while optimizing cold-start performance and fuel delivery. The sensor's precision readings enable the ECU to properly control fuel injection timing, ignition timing, and other critical engine functions based on operating temperature.

Products specifications

Fits

Audi S4 2000-02, 2004-09, A4 Quattro 1996-2006, A6 Quattro 1999-2004, TT Quattro 2000-06, A4 1996-2008, A3 1999-2002, 2004, A8 Quattro 2000-03, A3 Quattro 2004, A6 1998-2004, S8 2001-03, TT 2000-06, S6 2001-04 + 13 more models

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