• GM Single Pin Knock Sensor, Radiator Fan & Coolant Sensor Connector.
  • Special Multi-Lock & Multi-Seal Repair Pigtail.
  • It's oval shape acts as a secure lock when squeezed & then released.
  • This sensor has a single pin & what is commonly called a "Mushroom Top."
  • Fits Electric Cooling Fan Switches #3040674, 14043275 & 14043276.
  • Replaces GM #12102621, 12051234.
  • Replaces AC/Delco #PT308.
  • +/- 11" White Wire Lead.
  • Applications may include: Knock Sensors, Engine Shutdown Switch, AC Compressor Wiring, Engine Coolant Temp Indicator, AC Compressor Hi-Pressure Cut-Off, and Various 1980 & newer GMC Make and Model Vehicles.
? WARNING: Cancer and reproductive harm - www.p65warnings.ca.gov