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    K&N Air Filter — BU-9003

    K&N Air Filter — BU-9003

    $102.99

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    Air Filter.

    In stock

    SKU: WP709003
    Category:
    Brands:

    Description

    K&N air filter. Manufacturer part number BU-9003.

    WPS part number 709003.

    Vehicle fitment

    WPS lists this part for the following vehicles. Match your exact model and year.

    Follow the position, mounting and installation notes in the product description. Modified vehicles may require different parts.

    Compatible vehicle years, makes and models
    YearsMakeModel
    2004–2010BuellXB12R Firebolt
    2004–2008BuellXB12S Lightning
    2005–2010BuellXB12Scg Lightning Low
    2006–2010BuellXB12Ss Lightning Long
    2007–2008BuellXB12Stt Lightning Super Tt
    2006–2010BuellXB12X Ulysses
    2009–2010BuellXB12Xp Ulysses
    2008–2010BuellXB12Xt Ulysses
    2002–2007BuellXB9R Firebolt
    2003–2004BuellXB9S Lightning
    2005–2010BuellXB9Sx Lightning City X

    Source: WPS vehicle-fitment data · WPS part 709003 · Checked November 11, 2026.

    Additional information

    Weight 1.27 lbs
    Dimensions 10.25 × 10.25 × 3.93 in

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    Complete the job

    Parts & supplies

    • Air-filter care

      Use cleaning/oiling products only for filter materials that permit them. Replace disposable paper filters.

    • Intake gaskets & seals

      Match the intake assembly and check what the filter kit includes.

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