Standard Ignition TX240 Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor for Accurate Cooling System Input

Standard Ignition TX240 is an engine coolant temperature sensor built for direct electrical signal reporting to the engine management system. It uses a bolt-on attachment method with a square, plug-in female connector and 2 male blade terminals for a secure connection in the cooling circuit.

For drivers searching for an engine coolant temperature sensor for Toyota, Lexus, or Nissan applications, TX240 provides the connector style and terminal layout needed for a proper replacement. Standard Ignition TX240 is also cross-referenced to Dorman HELP 93026 for the same application.

Key Features

• Engine coolant temperature sensor for cooling system temperature input
• Bolt-on mounting style for a secure installation point
• Square female connector with plug-in design
• 2 male blade terminals for electrical connection
• Direct replacement part number: TX240
• Cross-reference: Dorman HELP 93026

Detailed Description

This Standard Ignition coolant temperature sensor monitors engine coolant temperature and sends that information to the vehicle control system. Accurate coolant temperature data supports fuel delivery, idle strategy, and temperature-related engine management decisions. The TX240 uses a female connector, square housing, and blade-style terminals to match the specified electrical interface on supported applications. If you are replacing a faulty coolant temp sensor on a Toyota, Lexus, or Nissan, TX240 is a practical OE-style service part to verify against the original connector and mounting style.

What It Helps Solve

• Incorrect coolant temperature readings on the dash or scan tool
• Hard starting when the engine is cold
• Rough idle related to temperature signal errors
• Fuel mixture issues caused by inaccurate coolant data
• Cooling fan or engine management behavior tied to sensor faults

Installation Notes and Tips

Confirm the original connector shape, terminal count, and attachment method before installation. Fits 2006-2011 Toyota Corolla, engine coolant temperature sensor application. Fits 2006-2011 Lexus IS250, engine coolant temperature sensor application. Fits 2006-2011 Nissan Altima, engine coolant temperature sensor application. Use the vehicle service information to verify sensor location and electrical match before replacing the part number TX240.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and engine management components. TX240 is built to match the specified connector and terminal configuration for the listed application references.