replacement 348 alternator? | FerrariChat

replacement 348 alternator?

Discussion in '348/355' started by angelis, Jul 13, 2011.

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  1. angelis

    angelis F1 Veteran
    Owner

    Jun 18, 2004
    6,400
    London, England
    Full Name:
    Sy
    My alternator blew again on monday.

    Had it rebuilt using the upgraded parts about 3 years ago, but have decided to get a new one instead this time. Unfortunately, there are none available here in the UK and the couple that are overseas are big money.

    Stupid question probably, but has anyone ever replaced it with one from another vehicle? eg: Honda, toyota etc
     
  2. plugzit

    plugzit F1 Veteran
    Silver Subscribed

    Dec 1, 2004
    7,792
    Redondo Beach, CA
    Full Name:
    Bruce Bogart
    #2 plugzit, Jul 13, 2011
    Last edited: Jul 13, 2011
    Replaced mine with one similar I matched up at the parts store. The new one was basically the same, but the mounting tabs were "clocked" differently, but I was able to use the old half of the case with the proper clocking. Wish I could remember the part number. Took a little time, but when you're in Pahrump, NV, you work with what ya got.

    It would be interesting to look at an alternator from a Honda S2000, a 9000rpm motor, to see what it uses for the high rpm application....
     
  3. bosshog8

    bosshog8 Formula Junior

    Mar 13, 2011
    448
    Pinelands NJ
    Full Name:
    Demetrius
    I can't speak to your specific application but companies like Powermaster specialize in alternators and starters and I always use them when I want to upgrade or use a different alternator all together. Not too many alternator designs. Just look for one that mounts, accepts your pulley and aligns correctly. Or find out the part # and see what other "normal" car it was installed on and buy that one.
     
  4. 3forty8

    3forty8 F1 Rookie
    Owner

    Apr 25, 2006
    2,713
    San Diego
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    Eric
    Sy, is yours the Delco or Nippondenso model? Here is a bolt-in replacement for the Delco and they run about $100 here in the US:

    http://search.waiglobal.com/partsearch/partnum.aspx?part=7973N

    You will need to use your existing pulley wheel, and never a bad idea to throw in the upgraded components, but the price is hard to beat. I keep one as a spare.
     
  5. angelis

    angelis F1 Veteran
    Owner

    Jun 18, 2004
    6,400
    London, England
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    Sy
    Thanks guys.

    It's a Nippon/Denso one.

    A friend has a 355 alternator. Anyone tried fitting that to a 348?
     
  6. xtcgt

    xtcgt Karting

    Nov 20, 2009
    156
    Toms River NJ
    Full Name:
    Robert Boynton
    I put the dodge monoco one on mine about 2 years ago. puts out a little less amps but have had no problems so far. Plus the price was about 80 bucks, local, and had it fixed the night it broke because the local auto parts store had it in stock.
     
  7. Saint Bastage

    Saint Bastage F1 Rookie

    Jun 1, 2007
    2,548
    Connecticut
    Full Name:
    Lane
    Yup...I've heard that before someplace....Dodge Monaco. Maybe it was Ernie's thread. I had mine rebuilt at a local alternator shop for $150. They did an outstanding job with a 24 hr turnaround.
     
  8. 3forty8

    3forty8 F1 Rookie
    Owner

    Apr 25, 2006
    2,713
    San Diego
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    Eric
    I believe the late 348 Nippondenso and 355 Nippondenso alternator are the same.

    That one is a Delco Remy CS-130 with the correct case; unfortunately it will not work on later model 348s that have had the Nippondenso upgrade.
     
  9. angelis

    angelis F1 Veteran
    Owner

    Jun 18, 2004
    6,400
    London, England
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    Sy
    Unfortunately, the 355 alternator won't fit in a 355.

    The 355 one looks slightly bigger and the fittings are opposite to the 348 one. I took a comparison pic with my phone and will upload it later.

    Also found out the cause of the non-working alternator. One of the connecting bolts broke off. Seems the bolt was 6mm but the fitting on the 348 is 8mm.
     
  10. Husker

    Husker F1 World Champ

    Dec 31, 2003
    11,792
    western hemisphere
    you're far better off spending $1K for an alternator that has the little horsey stamped on it. ;)
     
  11. AceMaster

    AceMaster Three Time F1 World Champ

    Feb 6, 2009
    34,785
    Ontario, Canada
    Full Name:
    Mike
    You mean $5000
     
  12. angelis

    angelis F1 Veteran
    Owner

    Jun 18, 2004
    6,400
    London, England
    Full Name:
    Sy
    More likely to sell the 348 and get a replica GT40 instead. ;)
     

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