Product Description
| Feature | Specification |
| Primary Part Number | MOTORCRAFT SW1516 |
| OEM Part Number | D8HZ-10884-D (Ford/Motorcraft) |
| Function | Temperature Sending Switch (Activates a dash warning light when coolant temperature exceeds a calibrated threshold) |
| Voltage | 12 Volts |
| Switch Type | Single-Terminal Switch (Grounds through the engine block) |
| Thread Size | Proprietary (Designed to fit into a specific port on the engine or water jacket) |
| Construction | Brass or Plated Steel Housing with internal thermal sensing element |
| Typical Use | Original Equipment (OE) component in the cooling system of heavy-duty truck engines. |
| Vehicle/Truck | Years | Engine Type | Notes |
| Ford Truck (Medium & Heavy) | 1978 - 1989 | Diesel and Large Gas Engines | Broad fitment across F-Series Heavy Duty, L-Series, and similar commercial chassis. |
| Ford Truck Engine | 1990 | 10.5L 638 Cu. In. Diesel | Confirmed fitment for specific heavy-duty diesel applications. |
| Ford Truck Engine | 1990 | 14.0L 855 Cu. In. l6 Diesel | Confirmed fitment for specific heavy-duty diesel applications. |