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    Baldwin LL1621-2 cross reference

    Manufacturer numbers Baldwin lists LL1621-2 as the replacement for

    Baldwin's 2024 catalog lists LL1621-2 as the replacement for these manufacturer part numbers:

    ManufacturerTheir part number
    CATERPILLAR3I0914
    DONALDSONP182033
    DONALDSONXLP182033
    DONALDSONXLP184033
    FLEETGUARDAF354M
    FLEETRITEAFR8354M
    GRAINGER4ZWL9
    HEAVY DUTY AIRA0890

    Source: Baldwin Manufacturers' Cross-Reference, Form 560-24 (2024). Baldwin's published direction is manufacturer part → Baldwin replacement. This list shows what Baldwin published in 2024. It does not verify that the numbers interchange today.

    Upgrade chains run one way: equipment spec'd with a newer filter number should not step back to the older one. Go by what the truck was spec'd with.

    Always verify against the current OEM catalog before ordering. Cross references are a starting point, not a guarantee of fit.

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