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BALDWIN · Engine Air Filter

PA2777

Outer 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
Outer Air Element
Outside diameter
9 29/32 in.
Outside diameter (mm)
251.6
Inside diameter
11/16 in.
Length
16 1/2 in.
Length (mm)
419.1
Use with
PA2539
Manufacturer part number
PA2777
GTIN
00791440022553

Baldwin replacement references: Case A171255

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 PA2777. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

28 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
ACDELCOA1450C1
AIR REFINERARM5259431
AMERICAN PARTS946191
BALDWIN FILTERSPA27771
BIG A FILTER946191
CARQUEST886191
CASEA1712551
CATERPILLAR3I10371
DONALDSONP5259431
FLEETGUARDAF47561
FLEETRITEAFR847561
FRAM FiltersCA72031
GM GENERAL MOTORS251771851
GPCFC21911
GRAINGER4XCF11
HASTINGSAF20341
HENGSTE738L1
JURA (HIFI)SA147061
KRALINATORLA13451
LUBER-FINERLAF18891
MANN+HUMMELC258201
NAPA GOLD66191
NELSON70288A1
NELSON70288N1
PUROLATORA648881
RADIALFILAP466191
WIX466191
WOODGATEWGA11821

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, International Tractors; Cummins Engines

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.