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well I need to know the differences between the part numbers
12310-RCA-A03 & 12310-RCA-A02 valve covers they are for the 03 thru 05 Accords V6 models. the reason Is I had to replace this front valve cover because it had a small crack in it. and had to replace it I ordered part number 12310-RCA-A02 and they sent me 12310-RCA-A03 I didn’t realize the part numbers where different until I had already installed the front valve cover. The new one looks exactly like the original one on the car except the new one has 2 threads in the middle like a bracket is supposed to go there. and the old one doesn’t but the inside of both valve covers look the same. man if its not one thing its another this is just really stressing
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I think what you are referring to is bracket #10 in the attached picture. Is that right? If so, Honda refers to this as “INSULATOR, FRONT COIL HEAT”. I believed it’s there because the Honda Pilot/Odyssey/ridgeline had something mounted up to it. You should be fine since these holes don’t open up into the valve cover, (or do they?!).
From what I understand, the A01, A02, A03 etc. on Honda part numbers refers to a revision of the part. So, when they first made that vehicle, the part number ended with A01. At some point, they updated the part, and the newly updated part got number A02, then down the road, there was another revision to the part, which got A03.
Of course, there is no guarantee that you can always use revision A03 on a car that had A01, as other parts may have been revised to accommodate the change in that part, but I would like to think that if a Honda dealer sent you the later revision, they know for sure that it fits and works in your car.
The parts may look the same, buy they are different. The sizes are different and the weights are different. Part 12310-RCA-A03 will fit accords 2005-2007. Part 12310-RCA-A02 will fit accords 2003-2004. In my experience, I have found that parts may look the same and fit good, but they are not appropiate and may cause problems down the road. I would call your parts company and have them send you the correct part.
A update to this old Thread turns Out A03 Valve Cover is now replacing the A02 valve cover. that all 03 thru 07 Accord V6 models use. Guess its now a superseded part number. so if anyone orders a front valve cover for there Accord V6 for any reason. your online dealer or dealership will send you the A03 there’s no performance difference so im thinking they just did that so you can’t remove those Gold Torx bit Screws or Try to Tamper with it which would be a very bad thing. anyway thought I would let everyone Know.
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