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BALDWIN · Engine Air Filter

PA2446

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
6 7/8 in.
Outside diameter (mm)
174.6
Inside diameter
21/32 in.
Length
8 3/8 in.
Length (mm)
212.7
Manufacturer part number
PA2446
GTIN
00791440018969

Baldwin replacement references: Case A44805

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 PA2446. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

40 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
ACDELCOA879C1
AIR REFINERARM1245481
AMERICAN PARTS12601
AMERICAN PARTS936231
BALDWIN FILTERSPA24461
BIG A FILTER12601
BIG A FILTER936231
CARQUEST876231
CASEA448051
CASEA76855Inner, Filter O1
CASEL0731861
CATERPILLAR3I01831
COOPERSAES24451
DELUXE8971
DELUXEAF8971
DONALDSONP1245481
DONALDSONP1527051
FLEETGUARDAF16321
FLEETRITEAFR816321
FRAM FiltersCA2581SY1
GM GENERAL MOTORS250421291
GRAINGER4ZRX71
GUARDIAN FILTER CO.G1245481
HASTINGSAF5391
HASTINGSPA24461
HEAVY DUTY AIRA45481
HEAVY DUTY AIRHDA45481
KRALINATORLA7571
LUBER-FINERLAF19401
MOTORCRAFTFA7421
NAPA GOLD26231
NELSON84743S1
NU-TECHSS0691
PUROLATORA331581
PUROLATORAF31581
RYCOHDA54661
VAPORMATICVPD72411
WIX426231
WIX5426231
WOODGATEWGA687S1

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.

Case 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.