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Standard Ignition TX39 Engine Coolant Temperature Sensor
| Brand | Standard Ignition TX39 |
|---|---|
| Attachment Method | Bolt On |
| Connector Gender | Female |
| Connector Shape | Square |
| Connector Type | Plug In |
| Material | Brass |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Fits | Porsche, Volvo, Ferrari, and Peugeot · 48 vehicles |
Bolt-on installation. Plug-in coolant temperature sensor with a square connector.
Brass construction. Durable sensor body for reliable temperature sensing.
Two-blade terminals. Female connector with a simple two-terminal layout.
Cross-references Standard Ignition TX39, 17-1249 and 024262 for the same application. See all 9.
Engine Coolant Temperature Sensor for Volvo and Porsche
Standard Ignition TX39 is an engine coolant temperature sensor built with a brass body, a square female plug-in connector, and a bolt-on attachment method. It provides a direct-fit solution for select Porsche, Volvo, and Ferrari applications where accurate coolant temperature input is needed for engine management and gauge operation.
Key Features
- Standard Ignition TX39 engine coolant temperature sensor
- Brass sensor construction for coolant system service
- Bolt-on attachment method for secure mounting
- Square female connector with plug-in design
- 2 blade terminals with male terminal ends
- Compatible with select Porsche 928, Volvo 240, Volvo 740, Volvo 760, Volvo 780, and Volvo 940 applications
Detailed Description
The Standard Ignition TX39 is an engine coolant temperature sensor used to report coolant temperature to the vehicle’s control system. Accurate temperature input matters for fuel delivery, idle quality, cold-start behavior, and temperature-related warning functions. This TX39 sensor is built with a brass sensing body and a square connector layout to match the listed OE-style applications. It also cross-references Standard Ignition TX39 and select replacement numbers such as 17-1249 and SU5817 for the same application.
Fitment includes 1985-1991 Porsche 928, 1993-1995 Porsche 928, 1990-1993 Volvo 240, 1988-1992 Volvo 740, 1986-1990 Volvo 760, 1987-1988 Volvo 780, 1991 Volvo 780, and 1991-1995 Volvo 940. It also covers select Ferrari applications including 1983-1985 Ferrari Mondial, 1983-1985 Ferrari Mondial 8, 1985-1990 Ferrari Testarossa, and 1990-1992 Ferrari F40.
What It Helps Address
- Incorrect coolant temperature readings
- Hard cold starts or rough warm-up behavior
- Erratic idle caused by faulty temperature input
- Temperature gauge or engine management signal issues
- Replacement of a leaking or electrically failed coolant sensor
Installation Notes and Tips
Verify connector shape, terminal style, and mounting style before installation. Match the sensor to the vehicle’s listed year and model, and confirm the application notes where provided, such as 1991 Ferrari Testarossa to 1/91. Clean the mating connector and inspect the harness terminals before plugging in the new sensor.
Quality Assurance
Standard Ignition is a recognized aftermarket brand for electrical and engine management components. TX39 is built to match the listed OE-style fitment requirements for the specified Porsche, Volvo, and Ferrari applications.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1995 | Porsche | 928 | — | — | N/A | — |
| 1995 | Volvo | 940 | — | — | N/A | — |
| 1994 | Porsche | 928 | — | — | N/A | — |
| 1994 | Volvo | 940 | — | — | N/A | — |
| 1993 | Porsche | 928 | — | — | N/A | — |
| 1993 | Volvo | 240 | — | — | N/A | — |
| 1993 | Volvo | 940 | — | — | N/A | — |
| 1992 | Ferrari | F40 | — | — | N/A | — |
| 1992 | Volvo | 240 | — | — | N/A | — |
| 1992 | Volvo | 740 | — | — | N/A | — |
| 1992 | Volvo | 940 | — | — | N/A | — |
| 1991 | Ferrari | F40 | — | — | N/A | — |
| 1991 | Ferrari | Testarossa | — | — | N/A | To 1/91 |
| 1991 | Porsche | 928 | — | — | N/A | — |
| 1991 | Volvo | 240 | — | — | N/A | — |
| 1991 | Volvo | 740 | — | — | N/A | — |
| 1991 | Volvo | 780 | — | — | N/A | — |
| 1991 | Volvo | 940 | — | — | N/A | — |
| 1990 | Ferrari | F40 | — | — | N/A | — |
| 1990 | Ferrari | Testarossa | — | — | N/A | — |
| 1990 | Porsche | 928 | — | — | N/A | — |
| 1990 | Volvo | 240 | — | — | N/A | — |
| 1990 | Volvo | 740 | — | — | N/A | — |
| 1990 | Volvo | 760 | — | — | N/A | — |
| 1989 | Ferrari | Testarossa | — | — | N/A | — |
| 1989 | Porsche | 928 | — | — | N/A | — |
| 1989 | Volvo | 740 | — | — | N/A | — |
| 1989 | Volvo | 760 | 2.8L | V6 | N/A | — |
| 1988 | Ferrari | Testarossa | — | — | N/A | — |
| 1988 | Porsche | 928 | — | — | N/A | — |
| 1988 | Volvo | 740 | — | — | N/A | — |
| 1988 | Volvo | 760 | 2.8L | V6 | N/A | — |
| 1988 | Volvo | 780 | — | — | N/A | — |
| 1987 | Ferrari | Testarossa | — | — | N/A | — |
| 1987 | Porsche | 928 | — | — | N/A | — |
| 1987 | Volvo | 760 | 2.8L | V6 | N/A | — |
| 1987 | Volvo | 780 | — | — | N/A | — |
| 1986 | Ferrari | Testarossa | — | — | N/A | — |
| 1986 | Porsche | 928 | — | — | N/A | — |
| 1986 | Volvo | 760 | 2.8L | V6 | N/A | — |
| 1985 | Ferrari | Mondial | — | — | N/A | — |
| 1985 | Ferrari | Mondial 8 | — | — | N/A | — |
| 1985 | Ferrari | Testarossa | — | — | N/A | — |
| 1985 | Porsche | 928 | — | — | N/A | — |
| 1984 | Ferrari | Mondial | — | — | N/A | — |
| 1984 | Ferrari | Mondial 8 | — | — | N/A | — |
| 1983 | Ferrari | Mondial | — | — | N/A | — |
| 1983 | Ferrari | Mondial 8 | — | — | N/A | — |
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