> Can the original O2 sensor last 18 yrs ? * The O2 sensor is the
> original :}

The original was of super high quality if it lasted over 200,000
miles.
Why even try another brand?
From my experience, denso's, bosch etc are all a crap shoot.
If you install it and it doesnt work your only recourse is to exchange
it and try another piece of crap and cross your fingers. Maybe they'll
refund your money.. maybe not.
If you value your time as I do, only use good parts, and never as a
guess.
HTH,
Ben