HD light bulb part number conversion?

Discussion in 'Softail Models' started by Papi, Nov 28, 2010.

  1. Papi

    Papi New Member

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    I have a 2004 Fatboy and I was wondering what bulb PN's IE sylvania etc..
    So I can buy at my local auto parts store. I eventually want to swap to LED so I need to know the generic PN's
     
  2. Jack Klarich

    Jack Klarich Expert Member

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    What bulbs? Single contacts should be 1156, double contacts would be 1157
     
  3. HarryB737

    HarryB737 Junior Member

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    As Jack said which bulbs are you interested in ? If you take the H-D pn's to sylvania's web site some bulbs they'll cross reference for you. Don't know about your '04 FB but my Heritage headlight is a H-4. If you go with LED's for signals & running lights you may have to add an equalizer which adds load, for the flasher to work properly. Try it first.