GEN 1 Aftermarket 02 sensor??

Hello all. My truck just threw a P0151 code today (Bank 2 sensor 1 low voltage). Wiring looks good, no exhaust leaks, and no other corresponding codes for a misfire etc.. so I am assuming my 02 has gone bad. (59,000 miles) my question is has anyone had any luck with aftermarket sensors from your local chain store??? (Denso, Bosh?) or am I stuck paying 200$ for one at ford?


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I think they are like $70 through Tasca. Hard to beat the OEM quality, but I have run the Bosch aftermarket units on other vehicles with no problems.

Denso is usually the OEM for a lot of the modern Fords, so that is what I run in my Fords, my SC Boss 302 wears out O2 sensors pretty quick depending on how hard I am running the motor. Replace them often and never had an issue with a single one of the Denso.

I run Denso with no issues . Motorcraft oem is made by bosch. Stick with those 3 and you will have no issues. Stay away from amazon /ebay crap or cheap chain store ones.