Holstein 2CTS0163 Engine Coolant Temperature Sensor - Lower

Engine Coolant Temperature Sensor for Audi, VW, Porsche

Holstein Parts 2CTS0163 is an engine coolant temperature sensor for a wide range of Audi, Volkswagen, and Porsche applications. It provides direct-fit coverage for many lower, engine-mounted, cylinder head, and radiator hose locations across turbocharged and performance models.

Use this sensor when you need accurate coolant temperature input for engine management, gauge operation, and cooling system control on select Audi A6 Quattro, Audi Q7, Volkswagen GTI, and related vehicles.

Key Features

• Holstein Parts engine coolant temperature sensor
• Direct replacement for select Audi, Volkswagen, and Porsche applications
• Coverage for lower, engine, cylinder head, and radiator hose locations
• Supports temperature signal input used by the vehicle’s control systems
• Cross-reference part numbers include Standard Ignition TX305 and Four Seasons 73356
• Part number 2CTS0163 for catalog and fitment lookup

Detailed Description

Holstein Parts 2CTS0163 is built for broad OE-style coverage across late-model and earlier European vehicles. This engine coolant temperature sensor is listed for many Audi A4, A5, A6, A7, A8, Q5, Q7, Q8, S4, S5, S6, S7, SQ5, and RS models, along with Volkswagen GTI, Atlas, Jetta, Tiguan, and select Porsche 718, 911, Cayenne, Macan, and Panamera applications. If you are replacing a faulty coolant temp sensor on an Audi A6 Quattro, Volkswagen GTI, or Porsche Cayenne, 2CTS0163 gives you a cataloged match for the listed engine locations and configurations.

What It Helps Address

• Incorrect coolant temperature readings
• Temperature-related warning lights or fault codes
• Cooling fan or engine management issues tied to sensor input
• Hard starting or drivability concerns caused by inaccurate temperature data
• Gauge or display behavior that depends on coolant temperature signal

Installation Notes and Tips

• Verify the exact year, make, model, and sensor location before ordering.
• Match the listed position and notes, such as lower, cylinder head, engine, or radiator hose.
• Inspect the connector and surrounding cooling system components during replacement.
• Confirm the part number 2CTS0163 against the original sensor and vehicle catalog data.

Quality Assurance

Holstein Parts 2CTS0163 is cataloged for direct replacement use across the listed applications and cross-references Standard Ignition TX305 and Four Seasons 73356 for the same application.