Filter Cross Reference

    Baldwin BK6579 cross reference

    Manufacturer numbers Baldwin lists BK6579 as the replacement for

    Baldwin lists BK6579 as the replacement for these manufacturer part numbers:

    ManufacturerTheir part number
    DONALDSONP559466
    DONALDSONP559299
    FLEETGUARDMK11666
    FLEETRITEMKR811666
    GRAINGER4ERJ7
    LUBER-FINERLK162D

    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.