Alter Ego Motorcycle Supply — Serving Riders Since 1973

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    K&N Air Filter — HA-1088

    K&N Air Filter — HA-1088

    $86.99

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    Air Filter.

    In stock

    SKU: WP731088
    Category:
    Brands:

    Description

    K&N air filter. Manufacturer part number HA-1088.

    WPS part number 731088.

    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
    2004–2013HondaCRF100F
    2004–2013HondaCRF80F
    1993–2006HondaTRX90 Sportrax
    2007–2008HondaTRX90EX Sportrax
    2009, 2012–2015HondaTRX90X [SRA]

    Source: WPS vehicle-fitment data · WPS part 731088 · Checked November 11, 2026.

    Additional information

    Weight 0.49 lbs
    Dimensions 4.56 × 4.56 × 7.12 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.

    Related Items

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