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BALDWIN · Engine Air Filter

RS4572

Radial Seal Air Element

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Call either store for your current price.
Belleville APCCall for availability
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
Radial Seal Air Element
Outside diameter
12 3/32 in.
Outside diameter (mm)
307.2
Inside diameter
7 3/8 in.
Length
21 11/16 in.
Length (mm)
550.9
Manufacturer part number
RS4572
GTIN
00791440062597

Baldwin replacement references: Donaldson P544243

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 RS4572. 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 FILTERSRS45721
CARQUEST877981
CHAMPION LABORATORIESLAF62431
DONALDSONA150141Filter Only1
DONALDSONP5442431
FLEETGUARDAF259551
FRAM FiltersCA97581
GRAINGER2NUU41
HASTINGSAF23201
LUBER-FINERLAF62431
NAPA GOLD27981
PUROLATORA760121
WIX427981
WIX5427981

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.

Peterbilt Trucks

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.