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BALDWIN · Fuel Water Separator Filter

BF46021-O

Fuel/Water Sep. Spin-on w/Open End for Bowl

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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
Fuel/Water Separator Spin-on with Open End for Bowl
Thread
1–14
Outside diameter
3 11/16 in.
Outside diameter (mm)
93.7
Length
4 1/16 in.
Length (mm)
103.2
Contains
Bowl Thread: 3 1/8-10 UN 1B
Manufacturer part number
BF46021-O
GTIN
00791440097681

Baldwin replacement references: Racor R20S

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 BF46021-O. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

17 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
BALDWIN FILTERSBF46021O1
CARQUEST867761
CHRYSLER47239051
DONALDSONP5518221
FLEETGUARDFS202631
FRAM FiltersPS109801
GLOBAL FLEET SALESA6A9028AOpen End for Bo1
GRAINGER45KL831
JURA (HIFI)SN902002Open End for Bo1
NAPA GOLD3776Open End for Bo1
NAPA X37761
RACORR20SOpen End for Bo1
SAKURASFC710402Open End for Bo1
SIERRA18991961
SURE FILTER TECHNOLOGYSFR20S2FWOpen End for Bo1
WIX33776Open End for Bo1
WIX533776Open End for Bo1

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.

Racor 230R Fuel Assembly Series

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.