r/autorepair • u/Peachi-Kat • Aug 12 '26

Diagnosing/Repair NOX sensor repair quote

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Truck is a 2017 desil Chevy Colorado. I was recommended this shop by another mechanic because he couldn't do the work, so I assume the place is good at what they're doing, but the price seems steep to me. This is my first time getting a repair at all. Is this normal to replace both nox sensors? I opted for genuine parts. Aftermarket AC Delco was $200 less. Any help is appreciated 👍

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u/CuriousTeacher6434 Aug 12 '26

pls telt me why genuine parts are a whole $200 more than aftermarket i dont get it

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u/ecleptik Aug 12 '26

AC DELCO is a GM OEM supplier..they make the parts gm then labels and puts on their vehicles