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chevyndn · 08-04-2011, 11:30 PM

i was pricing some o2's online, and i realized that the part number for the upsteam and down stream are the same! is this right? why do they have seperate listings for the same part? anyone else notice this?

08-04-2011, 11:30 PM	#1
chevyndn Registered User Join Date: Jan 2009 Location: independence mo. Posts: 176	02 sensor i was pricing some o2's online, and i realized that the part number for the upsteam and down stream are the same! is this right? why do they have seperate listings for the same part? anyone else notice this?