Standard Ignition TX158 Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor for Subaru

Standard Ignition TX158 is an engine coolant temperature sensor for Subaru Legacy and Subaru Outback applications. It uses a bolt-on attachment method with a rectangular plug-in connector, making it a direct-fit service part for temperature signal replacement in the cooling system.

Key Features

• Engine coolant temperature sensor for cooling system temperature monitoring
• Bolt-on attachment method for secure mounting
• Female connector with rectangular plug-in design
• 2-pin male terminals for the vehicle harness connection
• Direct replacement part number TX158 for service and repair work
• Fits 2005-2017 Subaru Legacy, N/A
• Fits 2004-2017 Subaru Outback, N/A

Detailed Description

Standard Ignition TX158 is built for Subaru Legacy and Subaru Outback models that rely on accurate coolant temperature input for engine management and gauge operation. This engine coolant temperature sensor helps provide the signal the vehicle uses to monitor coolant temperature, supporting proper system response during normal driving and warm-up conditions. The TX158 part number is also referenced in aftermarket cross listings for the same application, including Spectra Premium 93045.

What It Helps Address

• Incorrect coolant temperature readings
• Temperature gauge fluctuation or inoperative gauge behavior
• Check engine light concerns related to coolant temperature signal faults
• Hard starting or poor cold-start operation tied to inaccurate temperature input
• Cooling system control issues caused by a failing sensor

Installation Notes and Tips

Verify connector style, terminal count, and mounting style before installation. This sensor uses a female rectangular connector with two male pin terminals and a bolt-on attachment method. Confirm the vehicle application by year and model before ordering, especially on Subaru Legacy and Subaru Outback service repairs. Standard Ignition TX158 should be installed on the correct engine coolant temperature sensor location specified for the vehicle.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and engine management service parts. TX158 is listed with confirmed fitment for 2005-2017 Subaru Legacy and 2004-2017 Subaru Outback, supporting accurate part selection for repair work.