Filter Cross Reference

    Baldwin BK6720 cross reference

    Manufacturer numbers Baldwin lists BK6720 as the replacement for

    Baldwin lists BK6720 as the replacement for these manufacturer part numbers:

    ManufacturerTheir part number
    BIG A FILTER96561
    CARQUEST89561
    FLEETGUARDMK11057
    FLEETGUARDMK1105700
    FLEETRITEMKR811057
    FLEETRITEMKR81105700
    FRAMFK7121
    GRAINGER4ERL9
    HASTINGSKF25
    LUBER-FINERLK107M
    MACK57GC2136
    MACK57GC2136B
    MACK57GC2136C
    MACK57GC298
    NAPA GOLD4561
    PUROLATORK50005
    WIX24561

    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.