What battery and alternator is best for a 348? | FerrariChat

What battery and alternator is best for a 348?

Discussion in '348/355' started by RandyT, Oct 11, 2017.

This site may earn a commission from merchant affiliate links, including eBay, Amazon, Skimlinks, and others.

  1. RandyT

    RandyT Formula Junior

    Aug 16, 2016
    256
    Calabasas, CA
    Full Name:
    Randy T
    #1 RandyT, Oct 11, 2017
    I need to replace my battery and alternator in my 348. I currently have a Ultima battery and a Delco alternator.

    I was told by a certified Ferrari mechanic that the Ultima is too slow at recharging and that I should be using a regular battery. And the Delco is not a good alternator for the 348. That's why the battery dies a lot and always needs to be on a charger. Unfortunately, he didn't tell me what brands I should be using.

    So.... what are you guys using for your battery and alternator?

    Randy
     
  2. steved033

    steved033 F1 Veteran
    Owner Silver Subscribed

    Apr 12, 2017
    7,709
    Atlanta, GA
    Full Name:
    Steve D.
    #2 steved033, Oct 11, 2017
    i've got an interstate. one of the next things is to see if the denso upgrade has been done. search on alternators...there's lots of info on them.

    sjd
     
  3. rivee

    rivee F1 Rookie

    Jan 20, 2002
    3,731
    Nowhere important, USA
    Full Name:
    John
    #3 rivee, Oct 11, 2017
    Try the Odessy battery.
    No problems
     
  4. m.stojanovic

    m.stojanovic F1 Rookie
    Silver Subscribed

    Dec 22, 2011
    2,753
    Malaysia - KL
    Full Name:
    Miroljub Stojanovic
    #4 m.stojanovic, Oct 11, 2017
    The factory upgraded the 348 alternator two times as follows:

    139421 105A DELCO (1st, early)
    155785 105A NIPPONDENSO
    156235 140A NIPPONDENSO

    The last one is, of course, the best. It has Denso number 101211-7580 on its label/sticker. It comes on Ebay from time to time.

    Image Unavailable, Please Login

    I have read that the Honda Acura Denso alternator fits the 348 but I don't know what amperes it provides. It's a Nippondenso 1-1410-01ND or 100211-617, Honda part number 31100PY3013.

    The best battery? Depends on what you are prepared to spend for it. I installed this one:

    Image Unavailable, Please Login

    Image Unavailable, Please Login
     
  5. Motob

    Motob Formula 3
    Professional Ferrari Technician

    Nov 11, 2003
    2,238
    Frederick, Maryland
    Full Name:
    Brian Brown
    #5 Motob, Oct 11, 2017
    The highest amperage output Nippon Denso alternator upgrade is the way to go. Also make sure that the alternator ground strap update has been installed.
    Any of the good AGM batteries should work just fine, your Ultima battery (if it is ok, should work well). I like Odyssey batteries as well
     
    308 GTB likes this.
  6. surfwolf

    surfwolf Formula 3
    Silver Subscribed

    Oct 14, 2012
    1,609
    Bethany, OR
    Full Name:
    Michael Wolfe
    #6 surfwolf, Oct 11, 2017
    I have a Braille also. I went AGM with a lightweight version. Dropped 20 + pounds & use a battery tender all the time. Your mouse seat belts could be a source of alternator/battery issues (one of the reasons I use the tender when parked in the garage).
     
  7. surfwolf

    surfwolf Formula 3
    Silver Subscribed

    Oct 14, 2012
    1,609
    Bethany, OR
    Full Name:
    Michael Wolfe
    #7 surfwolf, Oct 11, 2017
    How much was the Braille Lithium Ion battery? $500?
     
  8. m.stojanovic

    m.stojanovic F1 Rookie
    Silver Subscribed

    Dec 22, 2011
    2,753
    Malaysia - KL
    Full Name:
    Miroljub Stojanovic
    #8 m.stojanovic, Oct 12, 2017
    USD 1,627.49
     
  9. yelcab

    yelcab F1 World Champ
    Consultant

    Nov 29, 2001
    12,661
    San Carlos, CA
    Full Name:
    Mitchell Le
    #9 yelcab, Oct 12, 2017
    Holy crap ! That much for a battery?

    And the Acura alternator DOES NOT fit the 348. Too big.
     
  10. m.stojanovic

    m.stojanovic F1 Rookie
    Silver Subscribed

    Dec 22, 2011
    2,753
    Malaysia - KL
    Full Name:
    Miroljub Stojanovic
    #10 m.stojanovic, Oct 12, 2017
    The bigger factory 348 Denso (140A) comes with different brackets (lower and upper). They look very similar to the brackets for the 105A Denso but are "shorter" to compensate for the bigger alternator body (I could verify this because I bought and installed a new complete factory alternator upgrade kit to 140A Denso). Perhaps the Acura alternator also needs these different brackets? I don't think it is bigger than the 348 factory 140A Denso because this thing is big.

    My 348 came from the factory with a 105A Denso which was replaced (bolt on) by the PO with the same size Denso from another car (don't know which) but certainly not original 348 105A Denso as the connection to the regulator was modified (different plug).
     
    yelcab likes this.
  11. RandyT

    RandyT Formula Junior

    Aug 16, 2016
    256
    Calabasas, CA
    Full Name:
    Randy T
    #11 RandyT, Oct 12, 2017
    A lot of great information! Thanks.
     
  12. RandyT

    RandyT Formula Junior

    Aug 16, 2016
    256
    Calabasas, CA
    Full Name:
    Randy T
    #12 RandyT, Oct 12, 2017
    Looks like Racambi sells the 156235 140A NIPPONDENSO alternator. $1000!

    Do F-Chaters get a discount with Racambi?
     
  13. RandyT

    RandyT Formula Junior

    Aug 16, 2016
    256
    Calabasas, CA
    Full Name:
    Randy T
    #13 RandyT, Oct 12, 2017
    ... Yep, they do! ;)
     
  14. yelcab

    yelcab F1 World Champ
    Consultant

    Nov 29, 2001
    12,661
    San Carlos, CA
    Full Name:
    Mitchell Le
    #14 yelcab, Oct 12, 2017
    I have a 1994 348, the last of the series. My Nippodenso alternator went out, I bought an Acura Nippon one, IT DOES NOT FIT, and it comes with a 4 pin connector instead of a 3 pin connector. I had mine rebuilt, done.
     

Share This Page