Baldwin PA2439

BALDWIN · Engine Air Filter

PA2439

Air Element

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Stock checked September 11, 1:46 PM Eastern. Call before travelling so we can confirm what is still available.

THE DETAILS THAT MATTER

FILTER SPECIFICATIONS.

Filter type
Air Element
Outside diameter
12 3/4 in.
Outside diameter (mm)
323.8
Inside diameter
8 11/32 in.
Length
15 in.
Length (mm)
381.0
Manufacturer part number
PA2439
GTIN
00791440018891

Inside-Out Flow Direction;Sometimes used with PA2438 in vertical housing.

Baldwin replacement references: Mack 57MD31

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 PA2439. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

89 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
ACDELCOA739C1
AIR REFINERARM1277571
AIR REFINERARM1810041
ALLIANCEABPN10GAF9111
AMERICAN PARTS11841
AMERICAN PARTS936361
BALDWIN FILTERSPA24391
BIG A FILTER11841
BIG A FILTER936361
BOWESLAF77571
CANADIAN FILTER CO.CFM8061
CANADIAN FILTER CO.CFM806A1
CARQUEST876361
CATERPILLAR3I07631
CATERPILLAR7C83111
CHAMPION LABORATORIESAF77571
CHAMPION LABORATORIESLAF77571
CHAMPION SPARK PLUGHA5191
COOPERSAEM22241
CYCLONEPMA1277571
DELUXE7861
DELUXEAF7861
DONALDSONEBA150048Engine Air, Fil1
DONALDSONEBA150049Engine Air, Fil1
DONALDSONEBA150051Filter Only1
DONALDSONEBA150055Filter Only1
DONALDSONEBA150069Filter Only1
DONALDSONEBA150075Filter Only1
DONALDSONKYX005820Filter Only1
DONALDSONP1277571
DONALDSONP1307741
DONALDSONP1320211
DONALDSONP1424481
DONALDSONP1810041
DONALDSONSMP1810041
EUROFILTER11151
FLEETGUARDAA2910and1
FLEETGUARDAF9111
FLEETLIFEFA1277571
FLEETRITEAFR89111
FRAM FiltersCA15501
FRAM FiltersFA154910E1
FRAM FiltersFA154920E1
FRAM FiltersFA1549SERIESEngine Air, Fil1
GLOBAL FILTERS624391
GM GENERAL MOTORS88812821
GM GENERAL MOTORS89966281
GONHERGA57311
GPCFC2901
GRAINGER2VMG71
GUARDIAN FILTER CO.G1277571
HASTINGSAF5231
HEAVY DUTY AIRA07741
HEAVY DUTY AIRE07741
HEAVY DUTY AIRHDA07741
HEAVY DUTY AIRTME07741
JURA (HIFI)SA108611
KORODY COLYERFPA24391
KRALINATORLA8061
LUBER-FINERLAF77571
MACK2MD40021
MACK2MD40071
MACK2MD41091
MACK57MD311
MAXIBILT57MD31A1
MOTORCRAFTFA6911
NAPA GOLD26361
NELSON1307741
NELSON70190N1
NELSON-WINSLOW1307741
NU-TECHN25301
NU-TECHS25301
PAIFAF45611
PIPERCROSSPX5381
PROMATCH7C83111
PROMATCH7C83121
PURE FLOWPAF57311
PUROLATOR67004521
PUROLATORA629911
PUROLATORAF29601
PUROLATORAF29911
RACORAFN25301
REFILCOAF26361
REFILCOAF263601
RYCOHDA54891
SF-FILTER / SCHUPPSL89411
WGBSA4471
WIX426361
WOODGATEWGA6321

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.

Brockway, Mack 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.