Your cart is empty.
Your cart is empty.Denso 234-4012 Oxygen Sensor, Original Version
TechGuyTN
2025-09-03 10:37:30
Used to replace downstream o2 sensor in an old 2000 Chevy S10. Great price! Less expensive than local auto parts store options but a little more expensive than a few of the options I found on Amazon. Decided to spend a little more on this one because of the high reviews. I was able to get this one in Oct 2024 for $23 vs some for as low as I think I saw around $15. Decided it’s worth the extra $8 or so for the highly reviewed product and it worked great.
Chaison's Garage
2025-08-03 13:02:27
Good product, exactly the part I needed for a good price. Replaced the upstream O2 on my turbo Silverado.
Brandon Davis
2025-07-21 20:08:38
Easy to install works great
Yuvani M.
2025-07-12 13:41:04
The sensors were the wrong ones based on the connectors given. These had long flat ones versus the square ones. Were not right based on what info I gave for my vehicle. Sorry I have no pic to back up my claims.
DRACO A5OG
2025-06-10 12:22:39
So my 1998 GMC Truck C1500 5.0L threw a CEL codes P0133 (slow to low readings) and P0135 (Heater Circuit not Functioning). Ordered the day before and it arrived today at 6:00PM on a Sunday to Boot. 10 minutes later, my old truck is happy again. Owner too. DON"T WAIT TOO LONG ON THIS SIMPLE REPAIR! A faulty O2 SENSOR will cause poor gas mileage and good clog your Catalytic Convertor.
Law Enforcement
2025-06-05 11:10:59
I bought two cheaper 02 sensors and installed them in my 97 Chev Corvette. Both brand were not reading or showing no detection. I replaced the cheap sensors with Denso 02 Sensors and the check engine light went off. I could also hear my vehicle idling smoother. This brand actually does work. Stay away from the cheaper brands and buy something worth the money, you will save youself a lot of time and less headaches.
Eddie
2025-05-22 10:34:15
I had a code for bank 2 sensor 1 and decided to just replace all of them on my 96 Impala SS since they’re all original and you can’t just replace one, you might as well do all of them. Initially, once I replaced them, I still had 3 codes for a random misfire, bank 1 sensor 1 no activity, and an incorrect o2 reading. I highly recommend double checking all your connections and make sure they’re securely connected and the wires aren’t twisted/bent. In my case, an o2 sensor sleeve needed to be adjusted and tightened down a bit more. I cleared the CEL and what do you know? No misfires or codes and idles smoother. AC Delco is always the safest route but they’re far more expensive and you need 4 o2 sensors for the 1996 model year. Save yourself a couple bucks and go with Denso. This is still a high quality brand.
Customer
2025-05-14 17:39:03
Tried 2 other brands and neither resolved O2 sensor faults. Mechanic stated Denso brand was the manufacturers suggested brand! Faults immediately resolved after installation! Costly lesson learned. First brand I used which was hyped as high quality caused my catalytic converters too go bad 👎! Cost me $1000.00 to replace. Chunks of catalysis material was blowing out exhaust. Installed 4 new Bosch brand sensors after converters replaced and sensor faults came back after reset. Mechanic stated Denso brand was the manufacturers suggested brand. I installed all 4 new ones myself and faults reset automatically upon first start up. Engine running smoothly after onboard computer allowed time to make corrections. Really upset that Bosch brand did not function as stated in their description 😕! Returned for refund. 1st set I installed had a one year warranty were only in a few weeks, while I tried to trace and test wires and other sensors and even replaced computer. 6 months later with original computer reinstalled , still getting O2 faults. I installed Denso O2 sensors and problems solved 👌!
Customer Review
2025-03-26 17:54:44
Installed as a replacement on my GMC Jimmy, works flawlessly. Appears to match the OEM in quality.
RG
2025-03-25 16:10:52
Denso siempre la mejor calidad
Denis
2025-03-19 11:16:06
Très bon !!
Mike L.
2025-01-27 14:02:36
Can't go wrong with Denso parts, just as good a OEM without the higher cost. At first I purchased a cheaper no name brand O2 sensor that was half the price and it only lasted 2 days.
Customer
2024-11-22 16:01:22
Excellent. Works well. 1997 GMC Yukon 1500. And you get anti seize with them.
Recommended Products
$19.99
$ 9 .99 $9.99