Holstein
Holstein Parts

Holstein 2CTS0334 Engine Coolant Temperature Sensor

Brand Holstein 2CTS0334
Product line Holstein Parts
Fits Buick, Cadillac, Chevrolet, GMC, and Honda · 139 vehicles

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

Holstein Parts. A trusted parts line for replacement cooling sensors.

Cross-references Standard Ignition TX375, 5S17528 and 2112061 for the same application. See all 4.

$16.12Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $16.12
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

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.

This part fits 139 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypeLitersCylindersNotes
2026BuickEnclave—2.5LL4without Seal | with Gasket; Holstein Parts
2026BuickEncore GX—1.3LL3without Seal | with Gasket; Holstein Parts
2026BuickEnvision—2.0LL4without Seal | with Gasket; Holstein Parts
2026CadillacCT4—2.7LL4without Seal | with Gasket; Holstein Parts
2026CadillacCT5—2.0LL4without Seal | with Gasket; Holstein Parts
2026CadillacESCALADE IQ—-L--without Seal | with Gasket; Holstein Parts
2026CadillacESCALADE IQL—-L--without Seal | with Gasket; Holstein Parts
2026CadillacLYRIQ—-L--without Seal | with Gasket; Holstein Parts
2026CadillacOPTIQ—-L--without Seal | with Gasket; Holstein Parts
2026CadillacVISTIQ—-L--without Seal | with Gasket; Holstein Parts
2026CadillacXT5—2.0LL4without Seal | with Gasket; Holstein Parts
2026ChevroletBlazer EV—-L--without Seal | with Gasket; Holstein Parts
2026ChevroletColorado—2.7LL4without Seal | with Gasket; Holstein Parts
2026ChevroletCorvette—6.2LV8without Seal | with Gasket; Holstein Parts
2026ChevroletEquinox EV—-L--without Seal | with Gasket; Holstein Parts
2026ChevroletSilverado 1500—3.0LL6without Seal | with Gasket; Holstein Parts
2026ChevroletSilverado EV—-L--without Seal | with Gasket; Holstein Parts
2026ChevroletSuburban—3.0LL6without Seal | with Gasket; Holstein Parts
2026ChevroletTahoe—3.0LL6without Seal | with Gasket; Holstein Parts
2026ChevroletTrailblazer—1.3LL3without Seal | with Gasket; Holstein Parts
2026GMCAcadia—2.5LL4without Seal | with Gasket; Holstein Parts
2026GMCCanyon—2.7LL4without Seal | with Gasket; Holstein Parts
2026GMCHummer EV Pickup—-L--without Seal | with Gasket; Holstein Parts
2026GMCHummer EV SUV—-L--without Seal | with Gasket; Holstein Parts
2026GMCSierra 1500—3.0LL6without Seal | with Gasket; Holstein Parts
2026GMCSierra EV—-L--without Seal | with Gasket; Holstein Parts
2026GMCYukon—3.0LL6without Seal | with Gasket; Holstein Parts
2026GMCYukon XL—3.0LL6without Seal | with Gasket; Holstein Parts
2026HondaPrologue—-L--Holstein Parts
2025BuickEnvision—2.0LL4without Seal | with Gasket; Holstein Parts
2025CadillacCELESTIQ—-L--Holstein Parts
2025CadillacCT5—2.0LL4without Seal | with Gasket; Holstein Parts
2025CadillacESCALADE IQ—-L--without Seal | with Gasket; Holstein Parts
2025CadillacLYRIQ—-L--without Seal | with Gasket; Holstein Parts
2025CadillacOPTIQ—-L--without Seal | with Gasket; Holstein Parts
2025CadillacXT4—2.0LL4without Seal | with Gasket; Holstein Parts
2025CadillacXT5—2.0LL4without Seal | with Gasket; Holstein Parts
2025CadillacXT6—2.0LL4without Seal | with Gasket; Holstein Parts
2025ChevroletBlazer—2.0LL4without Seal | with Gasket; Holstein Parts
2025ChevroletBlazer EV—-L--without Seal | with Gasket; Holstein Parts
2025ChevroletColorado—2.7LL4without Seal | with Gasket; Holstein Parts
2025ChevroletCorvette—6.2LV8without Seal | with Gasket; Holstein Parts
2025ChevroletEquinox EV—-L--without Seal | with Gasket; Holstein Parts
2025ChevroletSilverado 1500—3.0LL6without Seal | with Gasket; Holstein Parts
2025ChevroletSilverado EV—-L--without Seal | with Gasket; Holstein Parts
2025ChevroletSuburban—3.0LL6without Seal | with Gasket; Holstein Parts
2025ChevroletTahoe—3.0LL6without Seal | with Gasket; Holstein Parts
2025ChevroletTraverse—2.5LL4without Seal | with Gasket; Holstein Parts
2025GMCAcadia—2.5LL4without Seal | with Gasket; Holstein Parts
2025GMCCanyon—2.7LL4without Seal | with Gasket; Holstein Parts
2025GMCHummer EV Pickup—-L--without Seal | with Gasket; Holstein Parts
2025GMCHummer EV SUV—-L--without Seal | with Gasket; Holstein Parts
2025GMCSierra 1500—3.0LL6without Seal | with Gasket; Holstein Parts
2025GMCSierra EV—-L--without Seal | with Gasket; Holstein Parts
2025GMCYukon—3.0LL6without Seal | with Gasket; Holstein Parts
2025GMCYukon XL—3.0LL6without Seal | with Gasket; Holstein Parts
2025HondaPrologue—-L--Holstein Parts
2024BuickEncore GX—1.3LL3Located on Radiator; Holstein Parts
2024BuickEnvision—2.0LL4Located on Radiator; Holstein Parts
2024CadillacCT4—2.7LL4Located on Radiator; Holstein Parts
2024CadillacCT5—2.0LL4Located on Radiator; Holstein Parts
2024CadillacLYRIQ—-L--Holstein Parts
2024CadillacXT4—2.0LL4Located on Radiator; Holstein Parts
2024CadillacXT5—2.0LL4Located on Radiator; Holstein Parts
2024CadillacXT6—2.0LL4Located on Radiator; Holstein Parts
2024ChevroletBlazer—2.0LL4Located on Radiator; Holstein Parts
2024ChevroletBlazer EV—-L--Located on Radiator; Holstein Parts
2024ChevroletColorado—2.7LL4Located on Radiator; Holstein Parts
2024ChevroletCorvette—6.2LV8Located on Auxiliary Radiator; Holstein Parts
2024GMCCanyon—2.7LL4Located on Radiator; Holstein Parts
2024GMCHummer EV Pickup—-L--Holstein Parts
2024GMCHummer EV SUV—-L--Holstein Parts
2024HondaPrologue—-L--Holstein Parts
2023BuickEncore GX—1.3LL3Located on Radiator; Holstein Parts
2023BuickEnvision—2.0LL4Located on Radiator; Holstein Parts
2023CadillacCT4—2.7LL4Located on Radiator; Holstein Parts
2023CadillacCT5—2.0LL4Located on Radiator; Holstein Parts
2023CadillacEscalade—3.0LL6Located on Radiator; Holstein Parts
2023CadillacEscalade ESV—3.0LL6Located on Radiator; Holstein Parts
2023CadillacLYRIQ—-L--Holstein Parts
2023CadillacXT4—2.0LL4Located on Radiator; Holstein Parts
2023CadillacXT5—2.0LL4Located on Radiator; Holstein Parts
2023CadillacXT6—2.0LL4Located on Radiator; Holstein Parts
2023ChevroletBlazer—2.0LL4Located on Radiator; Holstein Parts
2023ChevroletColorado—2.7LL4Located on Radiator; Holstein Parts
2023ChevroletCorvette—6.2LV8Located on Auxiliary Radiator; Holstein Parts
2023GMCCanyon—2.7LL4Located on Radiator; Holstein Parts
2023GMCHummer EV Pickup—-L--Holstein Parts
2022BuickEncore GX—1.3LL3with Gasket; Holstein Parts
2022BuickEnvision—2.0LL4with Gasket; Holstein Parts
2022CadillacCT4—2.7LL4with Gasket; Holstein Parts
2022CadillacCT5—2.0LL4with Gasket; Holstein Parts
2022CadillacEscalade—3.0LL6Located on Radiator; Holstein Parts
2022CadillacEscalade ESV—3.0LL6Located on Radiator; Holstein Parts
2022CadillacXT4—2.0LL4with Gasket; Holstein Parts
2022CadillacXT5—2.0LL4with Gasket; Holstein Parts
2022CadillacXT6—2.0LL4with Gasket; Holstein Parts
2022ChevroletBlazer—2.0LL4with Gasket; Holstein Parts
2022ChevroletCorvette—6.2LV8Located on Auxiliary Radiator; Holstein Parts
2022ChevroletSilverado 1500—3.0LL6Located on Radiator; Holstein Parts
2022ChevroletSilverado 1500 LTD—3.0LL6Located on Radiator; Holstein Parts
2022ChevroletSuburban—3.0LL6Located on Radiator; Holstein Parts
2022ChevroletTahoe—3.0LL6Located on Radiator; Holstein Parts
2022ChevroletTrailblazer—1.3LL3with Gasket; Holstein Parts
2022GMCAcadia—2.0LL4with Gasket; Holstein Parts
2022GMCHummer EV Pickup—-L--Holstein Parts
2022GMCSierra 1500—3.0LL6Located on Radiator; Holstein Parts
2022GMCSierra 1500 Limited—3.0LL6Located on Radiator; Holstein Parts
2022GMCYukon—3.0LL6Located on Radiator; Holstein Parts
2022GMCYukon XL—3.0LL6Located on Radiator; Holstein Parts
2021BuickEncore GX—1.3LL3with Gasket; Holstein Parts
2021BuickEnvision—2.0LL4with Gasket; Holstein Parts
2021CadillacCT4—2.7LL4Located on Radiator; Holstein Parts
2021CadillacCT5—2.0LL4Located on Radiator; Holstein Parts
2021CadillacEscalade—3.0LL6Located on Radiator; Holstein Parts
2021CadillacEscalade ESV—3.0LL6Located on Radiator; Holstein Parts
2021CadillacXT4—2.0LL4Located on Radiator, with Gasket; Holstein Parts
2021CadillacXT5—2.0LL4Located on Radiator, with Gasket; Holstein Parts
2021ChevroletBlazer—2.0LL4with Gasket; Holstein Parts
2021ChevroletSilverado 1500—3.0LL6with Gasket; Holstein Parts
2021ChevroletSuburban—3.0LL6with Gasket; Holstein Parts
2021ChevroletTahoe—3.0LL6Located on Radiator; Holstein Parts
2021ChevroletTrailblazer—1.3LL3with Gasket; Holstein Parts
2021GMCAcadia—2.0LL4with Gasket; Holstein Parts
2021GMCSierra 1500—3.0LL6with Gasket; Holstein Parts
2021GMCYukon—3.0LL6Located on Radiator, with Gasket; Holstein Parts
2021GMCYukon XL—3.0LL6Located on Radiator, with Gasket; Holstein Parts
2020BuickEncore GXFWD1.3LL3Sensor, Eng Cool Temp; Holstein Parts
2020CadillacCT4—2.0LL4Located on Radiator; Holstein Parts
2020CadillacCT5—2.0LL4Located on Radiator; Holstein Parts
2020CadillacXT4FWD2.0LL4In Water Pump Tubes; Holstein Parts
2020CadillacXT5—2.0LL4Located on Radiator; Holstein Parts
2020ChevroletBlazerFWD2.0LL4Sensor Eng Cool Temp(w/Gasket)(w/o Seal); Holstein Parts
2020ChevroletCorvette—6.2LV8Located on Auxiliary Radiator; Holstein Parts
2020ChevroletSilverado 1500—3.0LL6Located on Cylinder Head; Holstein Parts
2020GMCAcadia—2.0LL4Located on Radiator; Holstein Parts
2020GMCSierra 1500—3.0LL6Located in Radiator; Holstein Parts
2019ChevroletSilverado 1500—2.7LL4Located on Radiator; Holstein Parts
2019GMCSierra 1500—2.7LL4Located on Radiator; Holstein Parts
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — TX3755S17528211206155497116