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    K&N Air Filter Hd-1390 Replacement — HD-1390

    K&N Air Filter Hd-1390 Replacement — HD-1390

    $108.95

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    K&N air filter hd-1390 replacement.

    In stock

    SKU: WP721390
    Category:
    Brands:

    Description

    K&N air filter hd-1390 replacement. Manufacturer part number HD-1390.

    WPS part number 721390.

    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
    1994–1998Harley DavidsonFLHR Road King
    1998Harley DavidsonFLHRC Road King Classic
    1990–1993Harley DavidsonFLHS Electra Glide Sport
    1995–1998Harley DavidsonFLHT Electra Glide
    1990–1998Harley DavidsonFLHTC Electra Glide Classic
    1990–1998Harley DavidsonFLHTCU Electra Glide Ultra Classic
    1990Harley DavidsonFLST Softail Heritage
    1990–1999Harley DavidsonFLSTC Softail Heritage Classic
    1990–1999Harley DavidsonFLSTF Softail Fat Boy
    1996Harley DavidsonFLSTN Softail Heritage Special
    1993–1995Harley DavidsonFLSTN Softail Nostalgia
    1997–1999Harley DavidsonFLSTS Softail Heritage Springer
    1990–1993Harley DavidsonFLTC Tour Glide Classic
    1990–1996Harley DavidsonFLTCU Ultra Classic Tour Glide
    1998Harley DavidsonFLTR Road Glide
    1995–1998Harley DavidsonFXD Dyna Super Glide
    1992Harley DavidsonFXDB-D Dyna Glide Daytona
    1991–1992Harley DavidsonFXDB-S Dyna Glide Sturgis
    1992Harley DavidsonFXDC Dyna Super Glide Custom
    1993–1998Harley DavidsonFXDL Dyna Low Rider
    1994–1998Harley DavidsonFXDS-Conv Dyna Convertible
    1993–1998Harley DavidsonFXDWG Dyna Wide Glide
    1990–1994Harley DavidsonFXR Super Glide
    1990–1992Harley DavidsonFXRS Low Glide
    1990–1994Harley DavidsonFXRS-Conv Low Rider Convertible
    1990–1993Harley DavidsonFXRS-SP Low Rider Sport
    1990–1992Harley DavidsonFXRT Sport Glide
    1990, 1999Harley DavidsonFXST Softail
    1999Harley DavidsonFXSTB Softail Night Train
    1990–1999Harley DavidsonFXSTC Softail Custom
    1990–1999Harley DavidsonFXSTS Softail Springer
    1995–1997Harley DavidsonFXSTSB Softail Bad Boy

    Source: WPS vehicle-fitment data · WPS part 721390 · Checked November 11, 2026.

    Additional information

    Weight 1.1 lbs
    Dimensions 8.5 × 8.5 × 3.62 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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