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BALDWIN · Fuel Water Separator Filter

BF1256

Pri. Fuel/Water Sep. Spin-on with Drain

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Call either store for your current price.
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Stock checked September 11, 12:46 PM Eastern. Call before travelling so we can confirm what is still available.

THE DETAILS THAT MATTER

FILTER SPECIFICATIONS.

Filter type
Primary Fuel/Water Separator Spin-on with Drain
Thread
M22 x 1.5
Outside diameter
4 1/4 in.
Outside diameter (mm)
108.0
Length
9 15/16 in.
Length (mm)
252.4
Contains
Integral Post Seal
Gasket
[1] Included
Manufacturer part number
BF1256
GTIN
00791440054530

Baldwin replacement references: Mack 483GB472M

Baldwin PIES August 20, 2026 · Baldwin Product Guide July 24, 2026.

START WITH THE NUMBER YOU HAVE

CROSS-REFERENCE NUMBERS.

Baldwin’s reference lists the numbers below for BF1256. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

25 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
BALDWIN FILTERSBF12560
BIG A FILTER955891
CARQUEST865891
CARQUEST930621
CARQUEST960321
DONALDSONP5510281
DONALDSONP5544721
FLEETGUARDFS195371
FLEETRITEFSR8195371
FRAM FiltersPS81281
FRAM FiltersPS8128A1
GRAINGER2NTX91
HASTINGSFF10841
KRALINATORFS3601
LUBER-FINERLFF84721
MACK251683190
MACK483GB472M1
MACK5839FS195371
NAPA GOLD35891
NAPA GOLD6000291
NAPA X35890
PUROLATORF752981
WIX335891
WIXSF100251
WIXWF100251

Source: Baldwin Specs & Interchange · July 27, 2026. Reference quantity is part of the manufacturer’s cross-reference, not store stock.

CHECK THE EQUIPMENT. CHECK THE ENGINE.

APPLICATIONS & EQUIPMENT.

Mack Trucks

Baldwin Product Guide summary. This description does not establish fit for every model from each manufacturer.

Call with your equipment model, engine and the number on the existing filter. Our counter will help verify the application.

A REAL COUNTER. CLOSE TO HOME.

YOUR LOCAL FILTER PEOPLE.

Bring the number off your old filter, or your equipment and engine details. We’ll help check the match.