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BALDWIN · Engine Air Filter

RS3537

Radial Seal Inner Air Element

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Call either store for your current price.
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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 Inner Air Element
Outside diameter
4 1/4 in.
Outside diameter (mm)
108.0
Inside diameter
2 3/4 in.
Length
6 21/32 in.
Length (mm)
169.1
Manufacturer part number
RS3537
GTIN
00791440042834

Baldwin replacement references: Caterpillar 102-9387

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 RS3537. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

24 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
BALDWIN FILTERSRS35371
BIG A FILTER947891
CARQUEST887891
CATERPILLAR10293871
CATERPILLAR1076333Inner, Filter O1
CHAMPION LABORATORIESLAF93871
DONALDSONP5335621
DONALDSONP5336521
FLEETGUARDAF252821
FLEETRITEAFR8252821
GPCFC20261
GRAINGER4ZLU11
HASTINGSRS35371
KRALINATORLA18641
LUBER-FINERLAF93871
NAPA GOLD67891
PHOENIXNA3594B1
SAKURAA55821
SAKURAA5583SInner1
SURE FILTER TECHNOLOGYSFA3651SETand1
SURE FILTER TECHNOLOGYSFA3652S1
WIX467891
WIX5467891
WOODGATEWGA10951

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.

Barber-Greene, Caterpillar 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.