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BALDWIN · Engine Oil Filter

B56

Lube Spin-on

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Call either store for your current price.
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Kingston APCCall for availability

Stock checked September 11, 12:46 PM Eastern. Call before travelling so we can confirm what is still available.

Call Belleville ↗Call Kingston ↗Text your part number ↗

THE DETAILS THAT MATTER

FILTER SPECIFICATIONS.

Filter type
Lube Spin-on
Thread
M22 x 1.5
Outside diameter
3 in.
Outside diameter (mm)
76.2
Length
4 27/32 in.
Length (mm)
123.0
Contains
19 PSID By-Pass Valve
Gasket
G449-B
Manufacturer part number
B56
GTIN
00791440000674

Baldwin replacement references: Onan 122-0602

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 B56. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

20 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
AMERICAN PARTS910261
BALDWIN FILTERSB561
BIG A FILTER910261
CARQUEST840261
DONALDSONP5507171
FLEETGUARDLF35251
FLEETRITELFR835251
FRAM Filters2896241
FRAM FiltersPH37501
GRAINGER4EPV51
HASTINGSB561
HASTINGSLF4511
NAPA GOLD70261
NAPA X70261
ONAN12206021
ONAN1220602001
ONAN1220602011
WIX5570261
WIX570261
WOODGATEWGL35251

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.

Onan 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.