Holstein 2CTS0330 Engine Coolant Temperature Sensor

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.