Rep Power: 0

All,

I am looking to replace my AFR sensor in my 2004 HX and wanted to make sure I am using the correct one. I ask this because this is my 3rd one in 70K miles. I have compiled a list of "compatible" AFR sensors and wanted to see if you all had a preference. Also do I need to use the same "brand" for all 3 sensors to insure the best performance/compatibility?

Sensor 1 (AFR)
OE - Denso 234-9005
Replacement REPH960911
Autotrust REPH960911
Bosch 15710
Bosch 13680
Walker 250-54013
NTK 24425


Sensor 2 (middle)
OE - NTK W0133-1893714
Denso 234-4613
Replacement REPH960908 15.5"
Autotrust REPH960908
Walker W0133-1893392
Walker 250-24446
NTK 24422
*Bosch 15479
*Bosch 13707
*NTK W0133-1893270
Replacement ARBI960902

Sensor 3 (rear)
OE - NTK W0133-1893713
Denso 234-4365
Denso 234-4613
Replacement REPH960908 15.5"
Replacement REPD960907 11.7"
Autotrust REPD960907
Bosch W0133-1789817
Walker W0133-1916681
Walker 250-24446
Walker 250-24343
NTK 24423
Replacement ARBI960902


Thanks for your help!

 
Rep Power: 518

My opinion: Use the brand and part number that was originally installed at the factory.

My info shows only the first sensor is an AFR sensor. The Honda number I came up with was 36531-PLE-305, there is no indication of which brand it was.

Looks like the rear 2 are O2 sensors, and the factory only sells them as a matched set. #06365-PMP-A00

Here's a pic from a matched pair I put in a hybrid the other day (sensors #2 and #3). Read the note that was included in the package (Left pic full size for clarity....and I'm too lazy to resize it.) These were NTK brand in the package.

 
Rep Power: 0

Thanks Ezone! That helps to know the OEM ones are NTK's (I got the car used so I didn't know if the AFR was original or not and didn't see a brand on it) .

On NGK's website they list part # 24665 as the correct AFR, #24422 for the mid narrowband, and #24423 as the back narrowband.

According to the note, it sounds like I need to replace all 3 current ones and go with the 3 NTK's. My current AFR is a Denso and I don't know what my other 2 narrowbands are.

Thanks again.

 
Rep Power: 518

HOLD UP, WHOA!
I did not say that.
I said the 2 rear sensors I just put in a HYBRID were NTK.

I have NO way of knowing what brands were original to YOUR car without actually ordering them and seeing what comes in the package.

The note said nothing about the first sensor at all.
The first sensor can be replaced by itself.
The middle and rear sensors are to be replaced as a set.

 
Rep Power: 0

LOL! Fair enough. I made some assumptions. So let me ask you a couple more questions if you don't mind.

In your experience, when you have replaced the AFR and the O2/s on the same vehicle with the factory parts, have you noticed if the parts were the same brand or not?

In your experience, have the factory AFR and O2 parts for the D17aX engine been predominately NTK brand or have you seen other brands i.e. Denso, Bosch, etc.?

Sorry for all of the questions but you seem to have a lot more experience in this area than I do.

 
Rep Power: 518

I worded this wrong... I really have no way of knowing what brand was originally installed at the factory, and the replacement parts may or may not be exactly identical to the original.... But if Honda says they will work right, I have to trust them (and I have actually had our people make phone calls all over the country on occasion JUST to make sure). Sometimes things are updated or improved, or maybe they just change suppliers for whatever reasons. IDK. They have matched on the occasions where I actually look. I don't always look because I use OE parts so unless there is a glaringly obvious issue I just install and trust the factory parts. I'm used to seeing DENSO, and NTK because both were OEM suppliers. Those are the ONLY brands I have ever seen as OE O2 sensors on Hondas.

I strongly protest when someone wants to cheap out and use anything else, but there are occasions where I see factory parts that have been reboxed and sold through discount parts stores. That's hit-and-miss though, the counter help rarely will look and tell you what you are getting. Dealer tech, 10 years this year.

I also deal with much newer cars than what you have, 7th gen Civics are getting rare for me to see these days. I honestly don't recall ever seeing an HX where I work either. There are actually some versions of several of the cars I have never seen in my area.

HTH
Ez1