Review on 🔌 KAX 250-24012 Oxygen Sensor - Compatible with Silverado 1500, Tahoe, K1500, S10, Sierra 1500, C1500, Suburban 1500, Avalanche 1500 - Replacement O2 Sensor by Bob Walters

I ordered 4 of these sensors for my 1997 Chevy Suburban. I originally had 1 bad unit giving an engine code and thought I'd replace all 4 with a set. The two pre-catalysts failed from the start, they were replaced and the replacement worked fine for about 1000 miles before they also started to fail. I kept my old sensors which were slow but still worked and I had to put them back in. These KAX sensors are complete rubbish. Zero quality control. The only good thing about them is that they will help you get good experience in replacing them. Please don't waste your money. They'll end up in the trash in less than a year. Buy a quality set from a well-known brand.