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BALDWIN · Fuel Water Separator Filter

BF1278-O

FWS Spin-on with Open End for Bowl

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Stock checked October 2, 11:37 AM Eastern. Call before travelling so we can confirm what is still available.

THE DETAILS THAT MATTER

FILTER SPECIFICATIONS.

Filter type
Fuel/Water Separator Spin-on with Open End for Bowl
Thread
1–12
Outside diameter
3 11/16 in.
Outside diameter (mm)
93.7
Length
4 1/8 in.
Length (mm)
104.8
Contains
Bowl Thread: 3 1/8-10;Integral Post Seal
Manufacturer part number
BF1278-O
GTIN
00791440095120

Baldwin replacement references: Ingersoll-Rand 54468178

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

START WITH THE NUMBER YOU HAVE

CROSS-REFERENCE NUMBERS.

Manufacturer catalogs list the references below for BF1278-O. GK Industries-supplied references are identified in the note column. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

14 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
BALDWIN FILTERSBF1278O1
BLUE BIRD4321741Open End for Bo1
BOWESLFF9012Open End for Bo1
CARQUEST965371
CHAMPION LABORATORIESLFF9012Open End for Bo1
DOOSAN54468178Open End for Bo1
FLEETGUARDFS19965Open End for Bo1
FLEETGUARDFS20080Open End for Bo1
GRAINGER40LK661
INGERSOLL RAND54468178Open End for Bo1
JURA (HIFI)SN55031Open End for Bo1
LUBER-FINERLFF90012Open End for Bo1
LUBER-FINERLFF9012Open End for Bo1
RACORS3212Open End for Bo1

Sources: Baldwin Specs & Interchange · July 27, 2026; GK Industries PIES · August 21, 2026, where identified. Reference quantity is part of the manufacturer’s cross-reference, not store stock.

CHECK THE EQUIPMENT. CHECK THE ENGINE.

APPLICATIONS & EQUIPMENT.

Ingersoll-Rand Compressors

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.