BF1277-SPPhoto not yet available

BALDWIN · Fuel Water Separator Filter

BF1277-SP

FWS Spin-on with Drain and Sensor Port

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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 Drain and Sensor Port
Thread
M85 x 2.0
Outside diameter
4 21/32 in.
Outside diameter (mm)
118.3
Length
11 5/8 in.
Length (mm)
295.3
Contains
Sensor Port Thread: M14 x 2.0
Gasket
[1] Included
Manufacturer part number
BF1277-SP
GTIN
00791440056732

May use OP8753 to plug Sensor Port.;For service, retain reusable sensor from BF1277-SPS, and attach to BF1277-SP.

Baldwin replacement references: Case 419858A1, 441701A1; Manitowoc A047930

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 BF1277-SP. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

13 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
BALDWIN FILTERSBF1277SP0
CARQUEST962981
CASE419858A11
CASE441701A11
DONALDSONP5510401
FLEETRITEFSR810401
GRAINGER2LAB11
HASTINGSFF1107SP1
MANITOWOCA0479301
PUROLATORF759861
ROADTEC148838C41
SAKURASFC55211
SURE FILTER TECHNOLOGYSFR1040FW1

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.

Cummins ISX, Signature 600 Engines

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.