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Delphi HTS125 Engine Coolant Temperature Sensor
| Brand | Delphi HTS125 |
|---|---|
| Connector Gender | Female |
| Connector Quantity | 1 |
| Connector Shape | Rectangle |
| Mounting Type | Threaded Nut |
| Package Contents | Engine Coolant Temperature Sensor, Instruction Sheet |
| Terminal Gender | Male |
| Terminal Quantity | 2 |
| Terminal Type | Blade |
| Wiring Harness Included | No |
| Fits | Ford · 11 vehicles |
OE heritage. Built with decades of original-equipment knowledge.
Threaded nut mount. Installs securely with a simple threaded design.
Blade terminals. Uses a 2-terminal blade connection for reliable signal transfer.
Cross-references Standard Ignition TS-603, 3C3Z 10884-AA and SW-6052 for the same application. See all 3.
Engine Coolant Temperature Sensor for Ford Super Duty
The Delphi HTS125 engine coolant temperature sensor provides OE-style temperature monitoring for the cooling system. Built with Delphi’s OE heritage and aftermarket engineering knowledge, it is a direct-fit replacement for select Ford heavy-duty applications.
- Engine coolant temperature sensor for cooling system temperature feedback
- Blade terminal type with 2 terminals
- 1 female rectangle connector
- Threaded nut mounting type
- Wiring harness not included
- Package contents: engine coolant temperature sensor and instruction sheet
Fitment and Application
Compatible With 2004-2005 Ford E-350 Super Duty, N/A. Compatible With 2003-2005 Ford Excursion, N/A. Compatible With 2003-2005 Ford F-250 Super Duty, N/A. Compatible With 2003-2005 Ford F-350 Super Duty, N/A.
The Delphi HTS125 is built for drivers and technicians replacing a faulty engine coolant temperature sensor on Ford Super Duty trucks and SUVs. It supports accurate coolant temperature reporting to the engine management system, helping maintain proper fuel control, gauge operation, and cooling-system monitoring. This part cross-references Standard Ignition TS-603 for the same application.
Common Issues This Part Can Address
- Erratic or inaccurate coolant temperature readings
- Illuminated check engine light related to coolant temperature sensor faults
- Hard starting or drivability concerns tied to incorrect temperature input
- Cooling fan or engine management behavior affected by bad temperature data
- Replacement of a damaged sensor connector interface or worn sensor body
Installation Notes and Tips
Verify connector shape, terminal count, and threaded mounting before installation. Inspect the mating connector and wiring for corrosion or heat damage, and confirm the cooling system is at a safe temperature before removing the old sensor. Use the included instruction sheet during installation and clear diagnostic trouble codes after replacement if required.
Quality Assurance
Delphi draws on more than 100 years of OE experience and supplier knowledge from top automakers, with OE-based engineering reflected in this aftermarket coolant temperature sensor. Part number HTS125 is built to meet the needs of select Ford applications with the fitment and connector details listed above.
| Year | Make | Model | Fuel Type | Position | Notes |
|---|---|---|---|---|---|
| 2005 | Ford | E-350 Super Duty | DIESEL | N/A | — |
| 2005 | Ford | Excursion | DIESEL | N/A | — |
| 2005 | Ford | F-250 Super Duty | DIESEL | N/A | — |
| 2005 | Ford | F-350 Super Duty | DIESEL | N/A | — |
| 2004 | Ford | E-350 Super Duty | DIESEL | N/A | — |
| 2004 | Ford | Excursion | DIESEL | N/A | — |
| 2004 | Ford | F-250 Super Duty | DIESEL | N/A | — |
| 2004 | Ford | F-350 Super Duty | DIESEL | N/A | — |
| 2003 | Ford | Excursion | DIESEL | N/A | — |
| 2003 | Ford | F-250 Super Duty | DIESEL | N/A | — |
| 2003 | Ford | F-350 Super Duty | DIESEL | N/A | — |
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