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Holstein 2CTS0330 Engine Coolant Temperature Sensor

Brand Holstein 2CTS0330
Product line Holstein Parts
Fits Buick, Cadillac, Chevrolet, and GMC · 71 vehicles

Engine coolant sensor. Monitors coolant temperature for accurate engine management.

Holstein Parts. A trusted line of replacement sensors and components.

Cross-references 1TS1489, 5S17529 and 2112053 for the same application. See all 4.

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Engine Coolant Temperature Sensor for GM Applications

Holstein 2CTS0330 is an engine coolant temperature sensor for a wide range of Buick, Cadillac, Chevrolet, and GMC vehicles. It provides direct fitment coverage across 2019-2026 applications, including models such as the Cadillac CT5, Chevrolet Blazer, and GMC Acadia.

Holstein Parts focuses on application-specific replacement components, and this sensor is listed for multiple OE-style locations including engine, engine block, timing cover, water pump area, and cooling exchanger pipe assembly depending on the vehicle.

Key Features

  • Engine coolant temperature sensor for monitored coolant temperature input
  • Compatible with select Buick, Cadillac, Chevrolet, and GMC models
  • Application-specific fitment for 2019-2026 vehicles
  • Cross-reference part numbers include 1TS1489 and 5S17529
  • Holstein Parts 2CTS0330 for direct replacement use

Detailed Fitment Overview

Use Holstein 2CTS0330 when replacing a coolant temperature sensor on vehicles such as the 2020 Cadillac CT5, 2021-2024 Chevrolet Camaro, 2023-2024 Cadillac XT5, or 2025-2026 Chevrolet Silverado EV. This part number also covers long-tail search needs for drivers looking for an engine coolant temperature sensor for Cadillac XT4, Chevrolet Blazer, GMC Acadia, and Buick Encore GX applications.

This part cross-references 1TS1489 and 5S17529 for the same application.

What It Helps Address

  • Incorrect coolant temperature readings on the dash or scan tool
  • Engine management issues tied to coolant temperature input
  • Cooling system diagnostic trouble codes related to sensor signal faults
  • Hard starting or drivability concerns linked to temperature data errors
  • Improper fan or thermostat control logic caused by inaccurate sensor feedback

Installation Notes and Tips

Verify the sensor location before ordering, since fitment notes vary by vehicle and may place the sensor on the engine block, engine, timing cover, right water pump area, or pipe assembly. Some applications are listed without a seal or gasket, so confirm the vehicle-specific service requirements before installation. Match the part number 2CTS0330 to the exact year, make, model, and engine configuration shown in the fitment data.

Quality Assurance

Holstein Parts 2CTS0330 is cataloged as an application-specific replacement sensor with broad OE-style coverage across GM platforms. Confirm fitment against the vehicle listing before installation to ensure the correct coolant temperature sensor is selected for your application.

This part fits 71 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypeTransmissionLitersCylindersNotes
2026BuickEncore GX——1.3LL3without Seal | without Gasket; Holstein Parts
2026BuickEnvision——2.0LL4without Seal | without Gasket; Holstein Parts
2026CadillacCT4——2.0LL4without Seal | without Gasket; Holstein Parts
2026CadillacCT5——3.0LV6without Seal | without Gasket; Holstein Parts
2026CadillacXT5——3.6LV6without Seal | without Gasket; Holstein Parts
2026ChevroletSilverado EV——-L--without Seal | without Gasket; Holstein Parts
2026ChevroletTrailblazer——1.3LL3without Seal | without Gasket; Holstein Parts
2026GMCHummer EV Pickup——-L--without Seal | without Gasket; Holstein Parts
2026GMCSierra EV——-L--without Seal | without Gasket; Holstein Parts
2025BuickEnvision——2.0LL4without Seal | without Gasket; Holstein Parts
2025CadillacCT5——3.0LV6without Seal | without Gasket; Holstein Parts
2025CadillacESCALADE IQ——-L--without Seal | without Gasket; Holstein Parts
2025CadillacLYRIQ——-L--without Seal | without Gasket; Holstein Parts
2025CadillacXT4——2.0LL4without Seal | without Gasket; Holstein Parts
2025CadillacXT5——3.6LV6without Seal | without Gasket; Holstein Parts
2025CadillacXT6——3.6LV6without Seal | without Gasket; Holstein Parts
2025ChevroletBlazer——3.6LV6without Seal | without Gasket; Holstein Parts
2025ChevroletBlazer EV——-L--without Seal | without Gasket; Holstein Parts
2025ChevroletEquinox EV——-L--without Seal | without Gasket; Holstein Parts
2025ChevroletSilverado EV——-L--without Seal | without Gasket; Holstein Parts
2025GMCHummer EV Pickup——-L--without Seal | without Gasket; Holstein Parts
2025GMCHummer EV SUV——-L--without Seal | without Gasket; Holstein Parts
2025GMCSierra EV——-L--without Seal | without Gasket; Holstein Parts
2024CadillacCT5——3.0LV6Holstein Parts
2024CadillacXT4——2.0LL4Located on Engine Block; Holstein Parts
2024CadillacXT5——3.6LV6Located on Engine Block; Holstein Parts
2024CadillacXT6——3.6LV6Located on Engine Block; Holstein Parts
2024ChevroletBlazer——3.6LV6Located on Engine Block; Holstein Parts
2024ChevroletBlazer EV——-L--Located on Engine Block; Holstein Parts
2024ChevroletCamaro——3.6LV6Holstein Parts
2024ChevroletCorvette——5.5LV8Holstein Parts
2023CadillacCT5——3.0LV6Holstein Parts
2023CadillacXT4——2.0LL4Located on Engine Block; Holstein Parts
2023CadillacXT5——3.6LV6Located on Engine Block; Holstein Parts
2023CadillacXT6——3.6LV6Located on Engine Block; Holstein Parts
2023ChevroletBlazer——3.6LV6Located on Engine Block; Holstein Parts
2023ChevroletCamaro——3.6LV6Holstein Parts
2023ChevroletCorvette——5.5LV8Located on Timing Cover; Holstein Parts
2023GMCAcadia——3.6LV6Holstein Parts
2022BuickEncore GX——1.3LL3without Gasket or Seal; Holstein Parts
2022BuickEnvision——2.0LL4without Gasket or Seal; Holstein Parts
2022CadillacCT4——2.0LL4without Gasket or Seal; Holstein Parts
2022CadillacCT5——3.0LV6Holstein Parts
2022CadillacXT4——2.0LL4Located on Engine; Holstein Parts
2022CadillacXT5——3.6LV6Holstein Parts
2022CadillacXT6——3.6LV6Holstein Parts
2022ChevroletBlazer——2.0LL4without Gasket or Seal; Holstein Parts
2022ChevroletCamaro——3.6LV6Holstein Parts
2022ChevroletColorado——3.6LV6Holstein Parts
2022ChevroletTrailblazer——1.3LL3Located on Engine; Holstein Parts
2022GMCAcadia——3.6LV6Holstein Parts
2022GMCCanyon——3.6LV6Holstein Parts
2021BuickEncore GX——1.3LL3without Gasket or Seal; Holstein Parts
2021BuickEnvision——2.0LL4without Gasket or Seal; Holstein Parts
2021CadillacCT4——2.0LL4without Gasket or Seal; Holstein Parts
2021CadillacXT4——2.0LL4without Gasket or Seal; Holstein Parts
2021CadillacXT5——3.6LV6Holstein Parts
2021ChevroletBlazer——2.0LL4without Gasket or Seal; Holstein Parts
2021ChevroletCamaro——3.6LV6Holstein Parts
2021ChevroletColorado——3.6LV6Holstein Parts
2021ChevroletTrailblazer——1.3LL3without Gasket or Seal; Holstein Parts
2021GMCAcadia——3.6LV6Holstein Parts
2021GMCCanyon——3.6LV6Holstein Parts
2020BuickEncore GXAWD—1.3LL3Sensor Eng Cool Temp (Compl); Holstein Parts
2020CadillacCT4—Automatic2.0LL4W/O Gasket Or Seal; On Engine; Transmission Auto 8 Spd, 8L45, Bas+ [M5N]; Holstein Parts
2020CadillacCT5——2.0LL4Located at Right Water Pump; Holstein Parts
2020CadillacXT44WD—2.0LL4On Engine; Transmission Auto 9 Spd, 9T50, Etrs Gen 1 [M3H]; Holstein Parts
2020CadillacXT5——2.0LL4Located on Engine; Holstein Parts
2020ChevroletBlazerFWD—2.0LL4Sensor Eng Cool Temp(w/o Gasket Or Seal); Transmission Auto 9 Spd, 9T60, Gen 1 [M3T]; Holstein Parts
2020GMCAcadiaFWDAutomatic2.0LL4W/O Gasket Or Seal; At Pipe Assembly; Transmission Auto 9 Spd, 9T60, Etrs Gen 1 [M3G]; Holstein Parts
2019CadillacXT4——2.0LL4Located on Pipe Cooling Exchanger; Holstein Parts
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
1TS14895S17529211205355488246