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    • Picture of Filter - Air

    AF4521 Case Filter - Air

    Replacement for: Case
    Part number: AF4521
    SKU: CSAF4521
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    The Case Filter - Air (part #AF4521) is an aftermarket replacement filter built to meet or exceed OEM specifications. Filters remove contaminants from air, fuel, oil, or hydraulic fluid and are replaced on a regular maintenance schedule to protect downstream components. Confirm the correct part by part number AF4521, or contact our team to verify fitment for your model.

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