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BALDWIN · Engine Air Filter

PA4603

Inner 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, 1:46 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
Inner Air Element
Outside diameter
3 7/8 in.
Outside diameter (mm)
98.4
Inside diameter
5/8 in.
Length
11 19/32 in.
Length (mm)
294.5
Manufacturer part number
PA4603
GTIN
00791440064898

Baldwin replacement references: Hitachi 4247975

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 PA4603. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

15 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
BALDWIN FILTERSPA46031
CARQUEST933421
DONALDSONP5518681
DONALDSONP7855131
FLEETGUARDAF254191
FLEETRITEAFR8254191
FRAM FiltersCA8030SY1
GRAINGER4ZME41
GREYFRIARS1260A1
HITACHI42095881
HITACHI42479751
LUBER-FINERLAF57551
SAKURAA2702SInner1
SAKURAA27041
WOODGATEWGA1253S1

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.

Hitachi Excavators

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.