Standard Ignition TX541 Engine Coolant Temperature Sensor - Radiator

Engine Coolant Temperature Sensor for GM Applications

Standard Ignition TX541 is an engine coolant temperature sensor built for direct replacement in a wide range of GM vehicles. It uses a push-in attachment method, a single oval plug connector, and a black and bronze metal/plastic finish for a clean OE-style fit at the thermostat housing, water pump, or radiator depending on application.

Use TX541 when you need accurate coolant temperature input for engine management, gauge operation, and cooling system control on vehicles such as the Chevrolet Silverado 1500, GMC Sierra 1500, and Cadillac XT5. This part number is also referenced as TX541 in service and catalog searches.

Key Features

• Engine coolant temperature sensor for belts and cooling system service
• Push-in attachment method for application-specific mounting
• Female oval plug connector with one connector and one port
• Male blade terminal design with 1 + 1 terminal configuration
• Metal and plastic construction with black and bronze finish
• Fits thermostat housing, water pump, and radiator locations depending on vehicle

Detailed Description

Standard Ignition TX541 is engineered for vehicles that rely on a coolant temperature signal to help the engine control module manage fuel delivery, idle strategy, and cooling fan operation. Confirmed applications include 2019-2025 Chevrolet Silverado 1500, 2019-2025 GMC Sierra 1500, 2020-2025 Cadillac XT5, 2020-2025 Chevrolet Blazer, and 2020-2025 Buick Encore GX. Additional coverage includes Cadillac CT5, XT4, XT6, Chevrolet Trailblazer, Colorado, GMC Canyon, Acadia, Buick Envision, Buick Envista, and Cadillac CT6. This part cross-references Walker Products 211-2045 for the same application.

What It Helps Solve

• Incorrect coolant temperature readings on the dash or scan tool
• Cooling fan operation that does not match engine temperature
• Hard starting, rough idle, or fuel mixture concerns tied to temperature input
• Check engine lights related to coolant temperature sensor performance
• Thermostat housing, water pump, or radiator sensor replacement needs

Installation Notes and Tips

Verify connector shape, terminal style, and mounting location before installation. TX541 uses a push-in design with a female oval plug connector, so the vehicle harness and sensor port must match the OE configuration. Confirm whether the sensor mounts to the thermostat housing, water pump, or radiator on your specific Cadillac, Chevrolet, Buick, or GMC application.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and engine management components. TX541 is built to match the listed connector, terminal, and mounting specifications for direct-fit replacement service.