Filter Cross Reference

    Baldwin BT521 cross reference

    Manufacturer numbers Baldwin lists BT521 as the replacement for

    Baldwin lists BT521 as the replacement for these manufacturer part numbers:

    ManufacturerTheir part number
    AMERICAN PARTS2015
    AMERICAN PARTS92458
    CARQUEST96349
    CASEA59110
    CASEA62423
    CO-OPPL59110
    CYCLONEPM461
    DELUXE368
    DELUXEWD368
    DELUXEWD393
    DONALDSONP551304
    DONALDSONP559130
    DONALDSONP779188
    FLEETGUARDLF790
    FLEETRITELFR8790
    GOULDP461
    GRAINGER4ENU6
    HASTINGSBT521
    JURA (HIFI)SO790
    KRALINATORL196
    MOTORCRAFTFL285
    PERRYPL368
    PUROLATORL40122
    PUROLATORPER122
    RYCOZ144
    (manufacturer not verified)SP4497
    (manufacturer not verified)BSL790
    VOLVO8010773
    VOLVOVOE8010773
    WOODGATEWGL790
    WOODGATEWGL3465

    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.