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1980-1981 Corvette Thermal Early Fuel Evaporation Control Vacuum EFE Switch

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Brand Logo ACDelco
Item ID: 641-492
GM Part #: 14007803
Availability: Out of Stock
Fits Years:
  • 1980-1981
$57.99
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  • Description

1980-1981 Thermal Early Fuel Evaporation Control Vacuum EFE Switch - OEM Number(s) (14007803)

1980-1981 Thermal Early Fuel Evaporation Control Vacuum Switch. Part of you emissions system. This switch fit into your intake manifold or thermostat housing. The switch controls the EFE valve on the exhaust manifold. 

This is often an area of problem due to aging and cracking, causing loss of vacuum control  and could cause surging, rough idle or engine knock.

  • Temperature Range 85-95 degrees
  • 2 Vacuum Ports
  • Thread size of 1/2"  x 14

Also known under these part numbers: (For reference only)

  • 036666279351
  • 14007803
  • 25-112244-1
  • ACD 212-72
Prop 65