Ethanol Content Sensor

[Lyle_57IAL]

Hello,

Currently have a V3 S300 P28 on a 94 Honda civic. Looking to start using the Flexi Fuel option and noticed you can run the sensor directly into the A0 Digital analogue auxilar input. I pulled from the service manual -

Suitable sensors are GM part numbers 13577394, 13577379, and 13577429.

What are the difference between these sensors - Any pros / Cons, ANy better / worse - which item is the most preferred?

Thanks

[Hondata]

They're all the same. One has mounting lugs. One is smaller and cheaper.