I would suggest Denso for the Honda. With a high amp usage like an Odyssey, anything, but Denso will cause the battery light to be on intermittently.
You can get a remanufactured Denso (OE) for that car: it's probably the most cost-effective option.
I would get a better alternator. Denso (reman or new is fine) seems to be the only one that can take the high electrical demand of the Odyssey.
I replaced my alternator with a Valeo unit. They manufacture the OEM part. Think it was 300$ or so, while OEM was almost double. Just a heads up, there’s almost zero clearance to remove the alternator. Really tight fit.
Denso alternators are the best. Denso makes great products. I do a lot of side work on Hondas and I am so thankful Denso offers their stuff outside of the dealership. I replace alternators, a/c compressors, oxygen sensors, etc all the time and I choose Denso bc it's basically the same exact part you receive in a Honda box but for half the price.
If the alternator is OEM, replace it, because is close to the exhaust manifold, it will fail sooner than later.
If you are replacing the alternator, strongly recommend using only Honda dealer sold remanufactured alternators (probably Denso) or an aftermarket Denso brand remanufactured alternator. Lots of problems reported with other brands.
If you’re gonna go through the effort of replacing the alternator, do NOT get cheap shit. Get a new/remanufactured Denso alternator.
I just got a Denso remanufactured alternator from RockAuto for a 2009 Camry. Straight out of the box, the pulley was extremely hard to spin. It seems to get very stiff in one spot, get past that spot and spin fairly easily, then after I assume a full revolution it gets extremely stiff again. It also seems a bit loud/odd to me
I replaced my original alternator (which is also denso out of the factory) with a brand new denso alternator. Should be the exact same thing as the factory alt. It's not working at all. Battery is not staying charged. Had a complete diagnostic done by Honda and they said it is the alt. Kinda disappointed I waisted $700.
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