Keep an accurate read on engine temperature with the Standard Ignition Engine Coolant Temperature Sensor (MPN TX80). This thermistor-based sensor measures the temperature of the coolant/antifreeze mixture and reports it to the engine's control system, and it drops in as a direct-fit replacement for the 1977 Toyota Corolla with the L4-1.2L or L4-1.6L engine.
- Factory tested: 100% tested for consistent, out-of-the-box reliability.
- OE-calibrated: calibrated to the OE temperature set point for dependable electrical contact and performance.
- Accurate readings: tight-tolerance thermistor response values help ensure accurate temperature measurement and proper operation.
- Direct-fit: designed to restore functionality lost to wear, fatigue, or electrical failure; specifically designed for Toyota vehicles.
It uses a round, plug-in female connector with a single male blade terminal and bolts on for a straightforward swap. An erratic temperature gauge, hard cold starts, or poor fuel economy can be signs this sensor may need replacing — diagnose the cause first, and if a failed coolant temperature sensor is the cause, this replaces it. Country of origin: United States.
Interchange: WT542 · SU7054 · TS5527 · 25174218 · 8942812070
Manufacturer part number TX80
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does the TX80 coolant temperature sensor do?
It uses a thermistor to measure the temperature of the coolant/antifreeze mixture and sends that reading to the engine's control system so it can manage temperature-based functions.
Which vehicles does this sensor fit?
It's a direct-fit replacement for the 1977 Toyota Corolla with the L4-1.2L or L4-1.6L engine. Check the Buyer's Guide tab to confirm fitment for your vehicle.
What are signs this sensor may need replacing?
An erratic or inaccurate temperature gauge, hard cold starts, poor fuel economy, or a check engine light can be signs. Diagnose the cause first; if the sensor is at fault, this replaces it.
What part numbers does it interchange with?
It cross-references WT542, SU7054, TS5527, 25174218, and 8942812070. Its own manufacturer part number is TX80.
How does it connect and where is it made?
It has a round, plug-in female connector with a single male blade terminal and bolts on for installation. Country of origin: United States.
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