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BALDWIN · Engine Air Filter

PA5557

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
Inner Air Element
Outside diameter
4 21/32 in.
Outside diameter (mm)
118.3
Inside diameter
15/32 in.
Length
14 3/4 in.
Length (mm)
374.7
Manufacturer part number
PA5557
GTIN
00791440088399

Baldwin replacement references: Parker China Division KY2139-2000; Weichai Power 13023273 (Inner)

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 PA5557. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

3 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
BALDWIN FILTERSPA55571
PARKER CHINA DIVISIONKY213920001
WEICHAI POWER13023273Inner1

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.

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.