Standard Ignition TX308 Engine Coolant Temperature Sensor

Brand Standard Ignition TX308
Attachment Method Push On
Color Gold, White
Connector Gender Female
Connector Shape Rectangular
Connector Type Plug In
Finish Brass
Terminal Gender Male
Terminal Type Blade
Voltage 12
Fits Mazda · 47 vehicles

Plug-in design. Female rectangular connector makes installation straightforward.

Brass finish. Corrosion-resistant construction helps maintain reliable sensor performance.

Engine coolant temperature sensor. Monitors coolant temperature for accurate engine management.

Cross-references Standard Ignition TX308, CTSA171 and SH0118840 for the same application. See all 5.

$28.61Free shipping
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Engine Coolant Temperature Sensor for Mazda Applications

Standard Ignition TX308 is an engine coolant temperature sensor built for accurate coolant temperature signal input in supported Mazda vehicles. It uses a push-on attachment method, a rectangular female plug-in connector, and a brass finish for a direct-fit style replacement.

Fits 2019-2025 Mazda 3, N/A. Fits 2017-2025 Mazda CX-5, N/A. Fits 2016-2025 Mazda MX-5 Miata, N/A. Fits 2023 Mazda CX-30, N/A. Fits 2020-2021 Mazda CX-30, N/A. Fits 2016-2023 Mazda CX-9, N/A. Fits 2018-2021 Mazda 6, N/A. Fits 2016-2021 Mazda CX-3, N/A.

Key Features

  • Engine coolant temperature sensor for temperature signal monitoring
  • Standard Ignition TX308 replacement part number
  • Push-on attachment method for straightforward connection
  • Female rectangular plug-in connector with 1 connector interface
  • 2 blade terminals with male terminal design
  • Brass finish with gold and white color/finish details
  • 12-volt electrical specification

Detailed Description

The Standard Ignition TX308 engine coolant temperature sensor is a direct replacement component for Mazda cooling system service. It is used to report coolant temperature to the vehicle’s control system, helping maintain accurate engine temperature feedback in Mazda 3, CX-5, MX-5 Miata, CX-30, CX-9, Mazda 6, and CX-3 applications. If you are searching for a Mazda CX-5 engine coolant temperature sensor or a Mazda 3 coolant temperature sensor, TX308 is a fitment-specific option to verify against your vehicle.

This part cross-references CTSA171 and TS5918 for the same application.

What It Helps Address

  • Incorrect coolant temperature readings
  • Temperature-related warning lights or fault codes
  • Rough engine operation tied to inaccurate coolant data
  • Cooling system control issues caused by a failing sensor
  • Hard starting or drivability concerns linked to temperature input errors

Installation Notes and Tips

Confirm connector shape, terminal count, and attachment style before installation. Match the TX308 to the original sensor location and verify fitment by year, make, and model before service. Inspect the connector and wiring for corrosion or damage during replacement, and ensure the sensor seats fully with the push-on attachment method.

Quality Assurance

Standard Ignition supplies replacement electrical and engine management components for service applications. TX308 is built to match the listed connector and terminal configuration for the supported Mazda fitments.

This part fits 47 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2025Mazda3N/A
2025MazdaCX-5N/A
2025MazdaMX-5 MiataN/A
2024Mazda3N/A
2024MazdaCX-5N/A
2024MazdaMX-5 MiataN/A
2023Mazda3N/A
2023MazdaCX-302.5LL4N/A
2023MazdaCX-5N/A
2023MazdaCX-9N/A
2023MazdaMX-5 MiataN/A
2022Mazda3N/A
2022MazdaCX-5N/A
2022MazdaCX-9N/A
2022MazdaMX-5 MiataN/A
2021Mazda3N/A
2021Mazda6N/A
2021MazdaCX-3N/A
2021MazdaCX-302.5LL4N/A
2021MazdaCX-5N/A
2021MazdaCX-9N/A
2021MazdaMX-5 MiataN/A
2020Mazda3N/A
2020Mazda6N/A
2020MazdaCX-3N/A
2020MazdaCX-302.5LL4N/A
2020MazdaCX-5N/A
2020MazdaCX-9N/A
2020MazdaMX-5 MiataN/A
2019Mazda3N/A
2019Mazda6N/A
2019MazdaCX-3N/A
2019MazdaCX-5N/A
2019MazdaCX-9N/A
2019MazdaMX-5 MiataN/A
2018Mazda6N/A
2018MazdaCX-3N/A
2018MazdaCX-5N/A
2018MazdaCX-9N/A
2018MazdaMX-5 MiataN/A
2017MazdaCX-3N/A
2017MazdaCX-5N/A
2017MazdaCX-9N/A
2017MazdaMX-5 MiataN/A
2016MazdaCX-3N/A
2016MazdaCX-9N/A
2016MazdaMX-5 MiataN/A
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — TX308CTSA171SH0118840TS5918WT5318