Coolant Temperature Sensor for 2019-2026 Mazda 3 & More - Standard Ignition TX308

$15.99

Vehicles this part fits

    Part number: TX308
    UPC: 033086417899
    Condition: New
    Weight: 0.10 LBS
    Item Package Quantity: 1
    $15.99
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    Standard Ignition Engine Coolant Temperature Sensor P/N:TX308
    Standard Ignition Engine Coolant Temperature Sensor P/N:TX308
    $15.99
    $15.99

    Keep your engine management reading the right temperature with the Standard Ignition Engine Coolant Temperature Sensor (TX308). This coolant temperature sensor is a direct-fit replacement for the listed applications, including the 2019-2025 Mazda 3, 2018-2021 Mazda 6, 2016-2021 Mazda CX-3, 2020-2021 and 2023 Mazda CX-30, 2017-2025 Mazda CX-5, 2016-2023 Mazda CX-9, and 2016-2025 Mazda MX-5 Miata — see the "Vehicles it fits" section for the full list.

    • Measures coolant temperature: monitors engine coolant temperature and sends the signal the powertrain control module uses to manage fuel delivery, ignition timing, and cooling-fan operation.
    • Direct-fit replacement: installs on the listed Mazda applications to replace a worn or failed original sensor.
    • Signs it may need replacing: hard starts, rough idle, poor fuel economy, or a check engine light. If a faulty coolant temperature sensor is the cause, this part replaces it — diagnose the underlying condition first, since these symptoms can have other causes.

    Interchange: WT5318 · CTSA171 · TS5918 · SH0118840
    Manufacturer part number TX308

    This part cross-references / interchanges with the following part numbers:

    WT5318, CTSA171, TS5918, SH0118840, TX308

    Frequently Asked Questions

    What does this sensor do?

    It measures engine coolant temperature and sends that signal to the powertrain control module, which uses it to manage fuel delivery, ignition timing, and cooling-fan operation.

    Will this fit my Mazda?

    It's a direct-fit replacement for the listed applications, such as the 2019-2025 Mazda 3, 2017-2025 CX-5, and 2016-2025 MX-5 Miata. Check the "Vehicles it fits" section to confirm your vehicle.

    What are signs of a failing coolant temperature sensor?

    Hard starts, rough idle, poor fuel economy, or a check engine light can be signs. These symptoms have other causes too, so diagnose the condition before replacing.

    Does this fit the 2023 Mazda CX-30?

    Yes. This sensor is listed for the 2020-2021 and 2023 Mazda CX-30. Confirm your specific year and engine in the "Vehicles it fits" section.

    What numbers does this part interchange with?

    It replaces interchange numbers WT5318, CTSA171, TS5918, and SH0118840. Its own manufacturer part number is TX308.

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