Alternator belt | FerrariChat

Alternator belt

Discussion in 'Technical Q&A' started by flyboy, Oct 3, 2019.

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  1. flyboy

    flyboy Rookie

    Jul 18, 2008
    41
    Ludington Michigan
    Full Name:
    Les Kaines
    Anyone know the belt length for 87 Testarossa alternator?
     
    lopena likes this.
  2. vincep99

    vincep99 Formula 3
    Owner Silver Subscribed

    Jun 8, 2009
    1,929
    There is a parts cross-reference thread on the 512/TR forum, shos the OEM # and Dayco number. You can plug the Dayco # into the Dayco site
     
  3. tbakowsky

    tbakowsky F1 World Champ
    Consultant Professional Ferrari Technician

    Sep 18, 2002
    19,344
    The Cold North
    Full Name:
    Tom
    What year is the tr..the belt changes over the years..
     
  4. 4redude

    4redude Formula Junior

    Jan 13, 2005
    726
    Fungus Corner
    Full Name:
    Brian Keegan
    Up to s/n 71447 it takes a "V" belt measuring 10x813, originally supplied by Continental.
    After that the serpentine belt is a 813K4 originally supplied by Pirelli (p/n 133262) and Continental
    (p/n 133294) but now supplied by Dayco under p/n 199820.
     

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