I used an Audi B6 alternator in my TDi Touareg. I could have repaired it but it was cheap enough to buy. It's an easy job too.
Pros: cheap enough to buy, easy job
Vehicle:
Audi
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I would go OEM or get a Denso from Rockauto since Honda's alternator is kind of sensitive.
Pros: reliable, good for Honda
Cons: Honda is sensitive
Yesterday I replaced my 90A B brand alternator (thank you, previous 8 owners) with a Valeo 120 Amp unit. So far seems to be working fine with 14.15V to the battery at idle and with minimal or max power draw.
Pros: working fine, 14.15V to battery
I just replaced the alternator on my 09, it cost me $190 for the part (Denso refurb - shipped, including taxes) from Rockauto.
Pros: cheap Denso refurb
Denso alternator was like $350 and it took us like 3 hours as total novices and that includes the 3 trips we ended up taking to NAPA.
Pros: easy to install
Cons: multiple trips to NAPA
Did my own alternator, Denso 300.00. Took about an hour.
Pros: easy to install
Someone warned me against going with auto parts store Remanufactured because they had to do it 2 or 3 times before they got a good Alt, so I stuck to OEM.
Pros: OEM is more reliable
Cons: remanufactured is unreliable
Vehicle:
Toyota FJ Cruiser
Just make sure to buy either new OEM, used OEM, or a good rebuild like Denso. Parts store ones have a bad record of either being bad directly out of the box, or crapping out in short order.
Pros: good rebuild like Denso
Cons: bad record, crapping out
Im going to say OEM. I have a 2004 acura tsx, which is essentially an accord. I replaced my alternator with a denso remanufactured unit from rockauto. It worked, but the battery light stayed on. I bit the bullet and bought an OEM a year later just to turn the damn light off.
Pros: worked initially
Cons: battery light stayed on
Vehicle:
Acura TSX
Denso. Always Denso. Every other aftermarket alternator I've ever seen is absolute garbage.
Cons: absolute garbage
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