Feuling 3090 – Vented Dipstick – Black – Dyna


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Vented Dipstick

Compare Manufacturer # : 3090



  • Screws into the factory oil fill spout as a stock replacement part on M-Eight baggers
  • This breathing dipstick removes unwanted build-up of blow by, which is found in engines with excessive leakdown through the rings/cylinders which is a common issue with large displacement big bore engines
  • Test results show a decrease in engine sump oil levels
  • Dipstick vents excessive pressure from the oil tank through a breather system consisting of a filter element and umbrella valve
  • Choose from two venting style options when installing the dipstick
  • Option 1 is to use the 1/8 NPT breather vent fitting with internal porous filter element (this option gives a clean look; however it can produce an oil misting/residue out of the element on engines with excessive leakdown/blow by)
  • Option 2, is to use quick-disconnect coupler fitting with rubber hose and filter element (this option will run any excessive oil misting/residue through the line and into the filter element, but does requires disconnecting the fitting in order to check the oil)
  • For option 2, we recommend routing the line up the frame rail, up under the seat/abs area then back down along the right side frame rail and the filter element can fit cleanly between the engine/trans matting area on the inside of the lower right frame rail
  • There are two ways to read the oil level with this dipstick, with the bike on the jiffy stand (FHS) or the bike upright and level (FHU)
  • If reading the dipstick with the bike on the jiffy stand you will take your reading from the dimples labeled FHS (Full Hot Stand)
  • When reading the dipstick with the bike upright and level you will take the reading from the dimples labeled FHU (Full Hot Upright)
  • Made in the U.S.A.
  • Specs

  • Color/Finish: Black
  • Units: Each
  • Product Name: Oil Dipstick
  • Riding Style: Street
  • Base Color: Black
  • Material: Aluminum
  • Approximate Package Weight & Dimensions

  • Weight: 1
  • Height: 1.75
  • Length: 8.75
  • Width: 8.25
  • Fitments

    Years Make Model
    2006 – 2017 Harley-Davidson Low Rider EFI FXDL
    2006 – 2014 Harley-Davidson Super Glide Custom EFI FXDCI
    2006 – 2010 Harley-Davidson Super Glide EFI FXDI
    2008 – 2017 Harley-Davidson Fat Bob FXDF
    2006 Harley-Davidson Wide Glide FXDWG
    2006 – 2017 Harley-Davidson Wide Glide EFI FXDWGI
    2006 – 2017 Harley-Davidson Street Bob FXDB
    2012 – 2016 Harley-Davidson Switchback FLD
    2016 – 2017 Harley-Davidson Low Rider S FXDLS
    2007 Harley-Davidson Screamin’ Eagle Dyna FXDSE
    2010 Harley-Davidson CVO Fat Bob FXDFSE2
    2006 Harley-Davidson Super Glide FXD
    2006 Harley-Davidson Super Glide FXD35
    2006 Harley-Davidson Low Rider FXDL
    2008 Harley-Davidson Screamin’ Eagle Dyna FXDSE2
    2009 Harley-Davidson CVO Fat Bob FXDFSE
    Additional information

    Twin Cam





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    Feuling 3090 – Vented Dipstick – Black – Dyna
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