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BALDWIN · Fuel Water Separator Filter

BF9866-O

Fuel Spin-on with Open End for Bowl

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Stock checked September 11, 1:46 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
7/8–14
Outside diameter
4 3/8 in.
Outside diameter (mm)
111.1
Length
8 11/16 in.
Length (mm)
220.7
Contains
Bowl Thread: 3 3/4-10;Integral Post Seal
Manufacturer part number
BF9866-O
GTIN
00791440090385

Baldwin replacement references: John Deere RE532952, RE539465

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 BF9866-O. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

22 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
BALDWIN FILTERSBF9866O1
CARQUEST869691
DONALDSONFFP5529521
DONALDSONP5529521
FLEETGUARDFS10911
FLEETGUARDFS10961
GRAINGER45C0341
HENGSTH547WKD4241
JOHN DEERERE5329521
JOHN DEERERE5394651
JURA (HIFI)SN703291
LUBER-FINERLFF69641
MANN+HUMMELWK111
MANN+HUMMELWK11030X1
NAPA GOLD39691
NAPA X39691
RACORPFF513161
RACORPFF562031
SF-FILTER / SCHUPPSK30931
SF-FILTER / SCHUPPSK485921
WIX339691
WIX5339691

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.

John Deere Equipment

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.