I managed to get a reman Bosch 150a/140a last year from Advance Auto for around $190.
Pros: cheap Bosch reman
Cons: bad VR
Owner reviews for alternator
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I just replaced the one in my daughter's Mk 4 with a rebuilt 120A Bosch one from Rock Auto last week.
Pros: rebuilt, bench tested
Vehicle:
Volkswagen Golf
I would go Bosch if I had the option. Mine went out on a road trip. I had to go with what option was available at the auto store I was able to limp to. Lucky there was one close by but it was who knows what brand. It was my only option so I bought it. Probably duralast or something but it’s working 2 years later.
Pros: working 2 years later
I had a car get flooded for 6 months and the Bosh alternator still worked perfectly for another 21 years. Would buy again
Pros: worked perfectly 21 years
Fcp euro has an 100amp bosch one that works well. They have a lifetime warranty too.
Pros: works well, lifetime warranty
rebuilt my oem denso to avoid buying those other brands, they generally are very hit or miss and dont have a good warranty to back them up. denso all the way, i would buy one for my car if they were still available.
Pros: good warranty
Cons: hit or miss
A bearing went in our original alternator so I replaced it with a Valeo brand and it's pretty loud when it clicks on. It is loud enough that I'm wondering if I got a bad alternator --or is this normal??
It's the typical whirl or whurr noise --it's silent, and then you can hear the whirl or whurr noise when the alternator clicks on. It seems mechanically and electrically fine: It's doing what it should be doing electrically (charging, correct voltage, the battery is happy, the car runs better with this new alternator, etc.). It's just loud.
Pros: mechanically fine, electrically fine, car runs better
Cons: pretty loud, whirl or whurr noise
Vehicle:
Ford Escape
Mileage: 170000 km
Defective alternator. Get it exchanged under warranty. Unfortunately, lots of remanufactured alternators from parts stores don't perform up to spec. It would best to get a new or remanufactured from Hyundai or a reliable brand such as Denso.
Pros: reliable brand, up to spec
Cons: defective, not up to spec
When my alternator went out I got an aftermarket that failed within the week. Afterwards I was told that the element alternator is in a spot that gets more heat than a normal car so it needs a higher temp solder. I got the denso oem after and it’s still good after 5 years
Pros: Denso OEM good after 5 years
Cons: aftermarket failed within week
I bought a Duralast for my ‘99 E55 a few years ago. It didn’t work so I pulled the rectifier off of it, put it on the original one, which put out at 14.2 v back in the car. I returned the Duralast one after I made the old rectifier look like new. The shaft rotation on the Duralast felt gritty, too.
Cons: didn’t work, shaft rotation gritty
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