Two options to choose from:
Genuine GM Ethanol Sensor Part #13577394 (long)
Genuine GM Ethanol Sensor Part #13577379 (short)
*Note: An ethanol analyzer must be used in conjunction with the ethanol sensor to read your ethanol content.
There are three options to read your ethanol content when using our ethanol analyzers:
*Ethanol sensor readings are based on the gasoline content of your fuel. Fuel that has been contaminated can generate a false ethanol reading.