Caution Ordering Oxygen Sensors Form Oxygensensors.com
#1
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The part numbers for the oxygen sensors for 99-00 GS300 on oxygensensors.com are incorrect. I ordered oxygen sensors for bank 1 sensors 1 and 2. Each costing 100+ dollars. I installed bank 1 sensor 1 and took my GS to Lexus to have the EUC reset and to make sure that was the only problem making my check engine light come on. I was told that the sensor I installed was not working correctly. I wasnt sure if they were telling me the truth since I didnt buy the sensor from Lexus. You know how that goes. I was also told that I needed to replace bank 1 sensor 2. I ordered that sensor from oxygensensors.com as well. I recived it today and went to install it and noticed that the numbers on the sensor didnt match the one I had just taken off my car. I did a search on google to see if these numbers checked out or cross refernced but instead I found a thread on CL where other people were having the same problem I'm having getting the wrong sensors from oxygensensors.com. I called up oxygensensors.com and was questioned as to weather or not I knew what I was doing. I worked on cars for a living longer than oxygensensos.com has been around. I told him that the numbers on the sensor its self did not match up. He told me that the numbers on the sensor had nothing to do with a part number, that they were just a referance as to where they were made. I know better than that so I looked up the numbers on Denso's website and found the correct part numbers. I hope I get this all straightened out. I already put one of the sensors on the car so so much for getting that money back or exchanging the part. Now I see why there sensors are so cheap. You end up paying 200+ anyway....
#2
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the correct Denso part numbers are:
(1,2,3 precat) Bank 1 Sensor 1: 234-4048
(1,2,3 postcat) Bank 1 Sensor 2: 234-4626
(4,5,6 precat) Bank 2 Sensor 1: 234-4630
(4,5,6 postcat) Bank 2 Sensor 2: 234-4603
oxygensensors.com has part numbers
(1,2,3 precat) Bank 1 Sensor 1: 234-4048
(1,2,3 postcat) Bank 1 Sensor 2: 234-4622
(4,5,6 precat) Bank 2 Sensor 1: 234-4626
(4,5,6 postcat) Bank 2 Sensor 2: 234-4603
(1,2,3 precat) Bank 1 Sensor 1: 234-4048
(1,2,3 postcat) Bank 1 Sensor 2: 234-4626
(4,5,6 precat) Bank 2 Sensor 1: 234-4630
(4,5,6 postcat) Bank 2 Sensor 2: 234-4603
oxygensensors.com has part numbers
(1,2,3 precat) Bank 1 Sensor 1: 234-4048
(1,2,3 postcat) Bank 1 Sensor 2: 234-4622
(4,5,6 precat) Bank 2 Sensor 1: 234-4626
(4,5,6 postcat) Bank 2 Sensor 2: 234-4603
#5
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As an update, it looks like oxygensensors.com has updated their part numbers. Last week I purchased a sensor for bank 1 sensor 2, Denso part number 234-4626, and the sensor came in a bag labeled 234-4626. I put it in after making sure that their website says that 234-4626 is for 1,2,3 post cat and the check engine light has gone off. So it looks like they have corrected the problem.
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