OE Quality
60-Day Returns

Standard Ignition TS-642 Engine Cylinder Head Temperature Sensor
Reliable Engine Cylinder Head Temperature Sensor for Ford LS and Thunderbird
The Standard Ignition TS-642 Engine Cylinder Head Temperature Sensor is designed to provide accurate temperature readings for your vehicle's engine management system. Specifically compatible with Ford and Lincoln models such as the LS and Thunderbird, this sensor ensures optimal engine performance and emission control.
- Connector Gender: Female for secure connection
- Single rectangular plug-in connector for easy installation
- Two female blade terminals for reliable electrical contact
- Designed to monitor cylinder head temperature accurately
- Compatible with Ford LS and Lincoln Thunderbird models
Detailed Product Description
The TS-642 sensor from Standard Ignition features a female connector with a rectangular shape, allowing for a straightforward plug-in installation. It includes two female blade terminals that provide a stable and corrosion-resistant electrical connection. This engine cylinder head temperature sensor plays a critical role in monitoring the temperature of the cylinder head, feeding vital data to the engine control unit (ECU) to help regulate fuel injection and ignition timing. Proper temperature sensing helps maintain engine efficiency and reduces harmful emissions.
Common Applications and Issues Addressed
- Helps prevent engine overheating by providing accurate temperature data
- Supports emission control systems by monitoring cylinder head temperature
- Resolves engine performance issues related to faulty temperature readings
- Assists in maintaining optimal fuel economy
- Prevents check engine light triggers related to temperature sensor faults
Installation Notes and Tips
When installing the Standard Ignition TS-642 sensor, ensure the female rectangular plug is securely connected to the vehicle’s wiring harness. Verify that the two female blade terminals are free of corrosion and properly seated to maintain electrical continuity. It is recommended to disconnect the battery before installation to avoid electrical shorts. Proper torque specifications should be followed to avoid damage to the sensor or cylinder head.
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The TS-642 Engine Cylinder Head Temperature Sensor undergoes rigorous quality control testing. This part typically comes with a limited warranty covering defects in materials and workmanship, providing confidence in its long-term use on Ford LS and Lincoln Thunderbird vehicles.
| Brand | Standard Ignition |
| Part Number | TS-642 |
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Connector Type | Plug In |
| Terminal Gender | Female |
| Terminal Type | Blade |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Ford | Thunderbird | N/A | w/ Pigtail Connector | ||
| 2005 | Lincoln | LS | 3.9L | V8 | N/A | w/ Pigtail Connector |
| 2004 | Ford | Thunderbird | N/A | w/ Pigtail Connector | ||
| 2004 | Lincoln | LS | 3.9L | V8 | N/A | w/ Pigtail Connector |
| 2003 | Ford | Thunderbird | N/A | w/ Pigtail Connector | ||
| 2003 | Lincoln | LS | 3.9L | V8 | N/A | w/ Pigtail Connector |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.