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BALDWIN · Engine Air Filter

RS3520

Radial Seal Outer Air Element

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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.

THE DETAILS THAT MATTER

FILTER SPECIFICATIONS.

Filter type
Radial Seal Outer Air Element
Outside diameter
9 9/32 in.
Outside diameter (mm)
235.7
Inside diameter
5 5/32 in.
Length
15 in.
Length (mm)
381.0
Use with
RS3521
Manufacturer part number
RS3520
GTIN
00791440038677

Baldwin replacement references: Donaldson P526678

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 RS3520. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

26 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
AIR REFINERARM5266781
ALLIANCEABPN10GAF250401
AMERICAN PARTS945811
BALDWIN FILTERSRS35201
BIG A FILTER945811
CARQUEST885811
CATERPILLAR3I16561
DONALDSONP5266781
FLEETGUARDAF250401
FLEETRITEAFR8250401
FRAM FiltersCA74911
GFFAF370133PU1
GPCFC9081
GRAINGER4ZWE51
HASTINGSAF22441
KRALINATORLA15511
LUBER-FINERLAF44971
MACK3076CA74911
MACK5839AF250401
NAPA GOLD65811
PHOENIXNA35701
PUROLATORA650931
PUROLATORA659211
WIX465811
WIX5465811
WOODGATEWGA11121

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.

Freightliner 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.