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Standard Ignition TX25 Engine Coolant Temperature Sensor
| Brand | Standard Ignition TX25 |
|---|---|
| Attachment Method | Bolt on |
| Connector Gender | Female |
| Connector Quantity | 1 |
| Connector Shape | Rectangular |
| Connector Type | Plug in |
| Terminal Gender | Male |
| Terminal Quantity | 2 |
| Terminal Type | Blade |
| Thread Size | M12-1.50 |
| Fits | Nissan · 11 vehicles |
Bolt-on installation. Plug-in coolant temperature sensor with a rectangular connector.
Direct-fit design. M12-1.50 thread size for straightforward replacement.
Blade terminals. Two male terminals provide a secure electrical connection.
Cross-references Standard Ignition TX25, 22630P7900 and SU403 for the same application. See all 5.
Engine Coolant Temperature Sensor for Nissan Applications
Standard Ignition TX25 is an engine coolant temperature sensor built for direct replacement in select Nissan vehicles. It uses a bolt-on attachment method, a rectangular female connector, and a 2-blade male terminal layout with an M12-1.50 thread size for a secure electrical and mechanical connection.
Key Features
- Engine coolant temperature sensor for cooling system signal input
- Bolt-on mounting for straightforward replacement
- Rectangular plug-in connector with female connector housing
- 2 male blade terminals for the vehicle harness connection
- M12-1.50 thread size for confirmed threaded fitment
- Standard Ignition TX25 replacement part number
Detailed Description
Standard Ignition TX25 is an engine coolant temperature sensor used to report coolant temperature to the vehicle control system. Accurate temperature input is important for fuel delivery, idle quality, and cooling fan operation. This sensor is listed for 1977-1981 Nissan 810, 1981 Nissan 200SX, 1981 Nissan Maxima, and 1980-1983 Nissan 280ZX, making it a focused replacement choice for classic Nissan cooling system service. The TX25 part number is also referenced in interchange listings for 22630P7900, SU403, TS5730, and WT5130.
What It Helps Address
- Incorrect coolant temperature readings
- Hard starting when the engine is cold
- Rough idle caused by faulty temperature input
- Cooling fan control issues tied to sensor signal loss
- Check engine concerns related to coolant temperature data
Installation Notes and Tips
Verify the connector style, terminal count, and M12-1.50 thread size before installation. Clean the sensor mounting area and inspect the harness connector for corrosion or damaged terminals before connecting the new unit. Confirm the application against the vehicle year and model, especially on Nissan 280ZX, Nissan 200SX, Nissan 810, and Nissan Maxima service work.
Quality Assurance
Standard Ignition is a recognized aftermarket brand for electrical and engine management components. TX25 is built to match the listed connector and thread specifications for the confirmed Nissan applications.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1983 | Nissan | 280ZX | — | — | N/A | — |
| 1982 | Nissan | 280ZX | — | — | N/A | — |
| 1981 | Nissan | 200SX | 2.0L | L4 | N/A | — |
| 1981 | Nissan | 280ZX | — | — | N/A | — |
| 1981 | Nissan | 810 | 2.4L | L6 | N/A | — |
| 1981 | Nissan | Maxima | 2.4L | L6 | N/A | — |
| 1980 | Nissan | 280ZX | — | — | N/A | — |
| 1980 | Nissan | 810 | — | — | N/A | — |
| 1979 | Nissan | 810 | — | — | N/A | — |
| 1978 | Nissan | 810 | — | — | N/A | — |
| 1977 | Nissan | 810 | 2.4L | L6 | N/A | — |
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