Helps keep engine operating at proper temperature Sends accurate temperature readings to the gauge GM-recommended replacement part for your GM vehicle's original factory component Offering the quality, reliability, and durability of GM OE Manufactured to GM OE specification for fit, form, and function Good Maintenance Practices: Use approved coolant for your vehicle Visually inspect vehicle coolant for leaks Use approved thread sealer on sensor threads when installing the temperature sensor 1. Package Dimensions: 2.8 x 1.2 x 0.8 inches 2. Package Weight: 0.1 lb 3. Package Quantity: 1 4. National Popularity Code : B 5. Connector Gender: Male 6. Connector Shape: Oval 7. Resistance: 82 8. Terminal Quantity: 2 9. Terminal Type: Blade 10. Threaded End Diameter: 0.33 IN 11. Threaded End Diameter: 8.3 MM 12. Vintage Part Indicator: N 13. Wire Harness Included: NO Q: Can a faulty sensor cause the engine to overheat? A: Yes. On many vehicles, the sensor is used to switch on the cooling fan.