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Standard Ignition TX321 Engine Coolant Temperature Sensor
| Brand | Standard Ignition TX321 |
|---|---|
| Attachment Method | Push-On |
| Color | Black, Silver |
| Connector Gender | Female |
| Connector Shape | Rectangular, Oval |
| Connector Type | Plug; Socket |
| Finish | Plastic, Metal |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Voltage | 12 |
| Fits | Hyundai · 3 vehicles |
Direct replacement. Engine coolant temperature sensor with push-on attachment for straightforward installation.
Plug-and-socket connector. Female connector with two male blade terminals for a secure electrical connection.
Plastic and metal finish. Durable sensor construction in black and silver.
Cross-references Standard Ignition TX321, 259934W001 and CTSA206 for the same application. See all 5.
Engine Coolant Temperature Sensor for Hyundai Tucson
Standard Ignition TX321 is an engine coolant temperature sensor built for direct replacement service on select Hyundai Tucson models. It uses a push-on attachment method with a female rectangular/oval connector and two male blade terminals for a straightforward electrical connection.
Key Features
- Engine coolant temperature sensor for cooling system signal input
- Push-on attachment method for secure mounting
- Female 1-connector design with rectangular and oval connector shape
- Two male blade terminals for the vehicle harness connection
- Black and silver plastic/metal construction
- 12-volt electrical specification
- Standard Ignition TX321 replacement part number
Detailed Description
This Standard Ignition TX321 engine coolant temperature sensor is used to report coolant temperature data to the vehicle control system. Accurate temperature input is important for engine management, including fuel delivery, idle strategy, and cooling fan operation. Fits 2015-2017 Hyundai Tucson, N/A. This part cross-references CTSA206 and TS5630 for the same application. Standard Ignition TX321 also matches the listed interchange reference 259934W001 for this vehicle application.
What It Helps Address
- Incorrect coolant temperature readings
- Temperature-related warning lights or fault codes
- Cooling fan operation concerns tied to sensor input
- Rough idle or drivability issues related to coolant temperature signal errors
- Hard starting or fuel control problems caused by inaccurate engine temperature data
Installation Notes and Tips
Verify connector shape, terminal style, and mounting style before installation. Inspect the harness connector for corrosion, bent terminals, or damaged locking features before connecting the new sensor. Confirm the replacement matches the original sensor location and electrical interface on the Hyundai Tucson before service.
Quality Assurance
Standard Ignition is a recognized aftermarket brand for electrical and engine management components. TX321 is built to match the listed fitment and connector specifications for 2015-2017 Hyundai Tucson applications.
| Year | Make | Model | Fuel Type | Position | Notes |
|---|---|---|---|---|---|
| 2017 | Hyundai | Tucson | ELECTRIC/HYDROGEN | N/A | — |
| 2016 | Hyundai | Tucson | ELECTRIC/HYDROGEN | N/A | — |
| 2015 | Hyundai | Tucson | ELECTRIC/HYDROGEN | N/A | — |
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