Denso234-4169 Oxygen Sensor

Original Denso product, delivered same day on Prime. Only scare was the box was squashed on delivery. Inside the sensor was sealed in a plastic bag and appeared ok. I decided to install and see if it worked fine. Installed next day and check engine light is gone. I had P0135 error, and although the sensor itself was working, its heater had a fault. I would have given 5 stars, if the packing was intact.

Used it for my first gen 2003 Toyota Tundra. Functions well, great price, and was simple to install. The wire length is exactly what’s needed and the quality and accuracy is great since it’s an OE replacement. Cheaper than the dealer and for the same sensor!

Parts fitted and working fine. Great seller. Recommended.

Exactly like the original. Installed 3 months ago, no issues. This was a $500 repair job at Toyota. Hardest time was uncoupling the old connector because it was hard to reach with both hands.

O2 Sensor fit perfect. Came with a small package of quality anti-seize. Easy to replace for a shade tree mechanic except the electrical plug is nearly impossible to unplug - can only get one hand in area of plug - but with patience it can be done by a shade tree mechanic. You will need an OBII Scanner to erase the fault code or have Advance Auto erase it for you.This sensor fits both passenger and driver side O2 sensors on upstream side of catalytic converter. This will cure your PO135 and PO155 error codes (of course it could also be a wiring problem, but if you have 60,000 miles on the OD, it is most likely the O2 Sensor. My first one failed at 83,000 miles. Both the upstream and one downstream O2 sensors have failed. One downstream is still working and I have 220,000 miles on the OD. O2 sensors are rated for about 100,000 miles. The only other failure on this truck was a $75 ignition coil on the #8 cylinder.4 wire Denso "first time fit" oxygen sensor, original equipment direct plug in, no wire cutting. 10.83 in. lead wire.Designed with precision, manufactured to the highest O.E. quality, guaranteed to fit right the first time. This O2 sensor will outlast most other oxygen sensors due to Denso's superior quality. Constructed with Denso's exclusive aluminum oxide trap, this extra layer helps to protect from silicone and lead poisoning which causes premature sensor failure. This combined with other Denso high quality features including stainless steel housing and porous teflon filter all contribute to make a long life oxygen sensor with improved engine performance and greater fuel efficiency.June 1, 2014The three O2 sensors I replaced in Feb of 2011 are still working fine.July 8, 2023The three O2 sensors I replaced in Feb of 2011 are still working fine. I have 303,000 miles now on my 2000 Toyota Tundra, V8, 4WD, SR5, 4.7 L

Great fit. Worked as it should. Clear the check engine light and drove 60 miles then went into Smog and pass