Delphi TS10198 Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor for Toyota and Lexus

The Delphi TS10198 engine coolant temperature sensor is built for vehicles that rely on accurate coolant temperature input for engine management. With a threaded nut mounting style, square female connector, and two male blade terminals, it is a direct-fit style replacement for many Toyota, Lexus, and select Ford, Mazda, Suzuki, and Geo applications.

Delphi draws on OE heritage and more than 100 years of original-equipment experience, bringing that knowledge into aftermarket parts like the TS10198.

Key Features

• Engine coolant temperature sensor for cooling-system and engine-control monitoring
• Delphi TS10198 replacement part number for easy identification
• Square 1-connector design with female connector gender
• 2-terminal blade configuration with male terminals
• Threaded nut mounting type for secure installation
• Package contents include the engine coolant temperature sensor and instruction sheet
• Cross-references Standard Ignition TX40 for the same application

Detailed Description

This Delphi engine coolant temperature sensor helps provide the temperature signal used by the vehicle’s control system to manage fuel delivery, idle quality, and cooling-fan strategy. It is a strong match for long-fitment applications such as Toyota Camry, Toyota Corolla, Toyota Tacoma, Toyota Tundra, Lexus ES300, Lexus RX300, and Toyota Highlander, along with many other listed vehicles. The TS10198 is also listed for select Lincoln LS and Ford Thunderbird applications where the sensor is located in the intake manifold.

Built with OE-focused engineering, Delphi TS10198 is specified with a square connector, one connector cavity, two terminals, and a threaded nut mount for the correct electrical and mechanical interface.

What It Helps Address

• Incorrect coolant temperature readings at the engine control system
• Hard starting or rough idle related to temperature signal errors
• Cooling fan operation concerns tied to sensor input
• Fuel mixture and drivability issues caused by inaccurate coolant data
• Check engine light conditions related to coolant temperature sensor faults

Installation Notes and Tips

Verify connector shape, terminal count, and mounting style before installation. On listed Ford Thunderbird and Lincoln LS applications, the sensor location is noted in the intake manifold. Compare the removed part to Delphi TS10198 and confirm vehicle-specific fitment before final assembly. Use the included instruction sheet during installation.

Quality Assurance

Delphi builds this part using OE heritage and knowledge developed through supplier experience with major automakers. The TS10198 is engineered to meet the electrical and fitment requirements of the listed applications, including Toyota Camry, Toyota Corolla, and Lexus RX300 models.