Holstein 2CTS0334 Engine Coolant Temperature Sensor

Holstein Engine Coolant Temperature Sensor

Holstein Parts 2CTS0334 is an engine coolant temperature sensor for a wide range of GM, Cadillac, Buick, Chevrolet, GMC, and Honda applications. It is listed for radiator-mounted, auxiliary radiator, cylinder head, water pump tube, and gasketed applications depending on vehicle configuration.

Key Features

• Engine coolant temperature sensor for OE-style temperature monitoring
• Fits select 2019-2026 Buick, Cadillac, Chevrolet, GMC, and Honda vehicles
• Application-specific notes include radiator, auxiliary radiator, cylinder head, and water pump tube locations
• Cross-references Standard Ignition TX375 for the same application
• Part number 2CTS0334 for easy lookup and ordering

Detailed Description

Holstein Parts 2CTS0334 is built for vehicles that rely on accurate coolant temperature input for engine management, gauge operation, and cooling system control. This sensor is listed across multiple GM platforms, including Chevrolet Silverado 1500, Chevrolet Tahoe, GMC Sierra 1500, Cadillac XT5, Cadillac CT5, and Buick Envision, along with the Honda Prologue. The fitment data includes both gasketed and non-gasketed applications, so matching the vehicle notes is important before installation. Holstein Parts focuses on direct-fit replacement coverage, and this part number 2CTS0334 is also referenced by Standard Ignition TX375.

What It Is Used For

• Restoring accurate coolant temperature readings
• Addressing temperature gauge or scan data concerns
• Replacing a failed sensor that triggers cooling system warning lights
• Correcting drivability issues tied to incorrect engine temperature input
• Supporting proper fan and engine control strategy on listed applications

Installation Notes and Tips

Verify the sensor location and notes for your exact vehicle before installation. Fitment varies by model year and may be listed as located on the radiator, auxiliary radiator, cylinder head, water pump tubes, or with gasket/w/o seal configurations. Compare the original connector, mounting style, and sealing arrangement to the vehicle listing for the best match. For body fitment language, examples include Fits 2025-2026 Cadillac CT5, N/A and Fits 2023-2024 Chevrolet Blazer, N/A.

Quality Assurance

Holstein Parts 2CTS0334 is cataloged as a direct replacement sensor with broad OE-style application coverage. Confirm the exact year, make, model, and notes against the vehicle listing before installation to ensure the correct match.