Filter Cross Reference

    Fleetguard LF3781 cross reference

    Baldwin replacement for LF3781

    Baldwin lists B7135 as the replacement for LF3781.

    Source: Baldwin Manufacturers' Cross-Reference, Form 560-24 (2024).

    Part numbers Fleetguard LF3781 replaces

    Fleetguard lists LF3781 as the replacement for these manufacturer part numbers:

    ManufacturerTheir part number
    DETROIT DIESEL (DETDI)5241800310
    M.T.U. NKK NKK (MTU)524 184 0101
    WIX (WIX)57022 (Fleetguard now lists LF3931 for this part)
    BALDWIN (BALD)B7135 (Fleetguard now lists LF3931 for this part)
    KRALINATOR (KRAL)L355
    HASTINGS (HAST)LF475 (Fleetguard now lists LF3931 for this part)
    LUBERFINER (LBRF)LFP912
    DONALDSON (DON)P550655 (Fleetguard now lists LF3931 for this part)

    Source: Fleetguard Cross Reference by Part Number, doc LT19457D (2012). Fleetguard's published direction is manufacturer part → Fleetguard replacement.

    Currentness: these crosses come from Fleetguard's 2012 list and have not been revalidated as current. Baldwin's 2024 list gives the same replacement for LF3781 and 6 of the 8 part numbers above. That shows a shared Baldwin replacement only. It does not verify that those numbers interchange with LF3781 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.

    Buy LF3781: FinditParts