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BALDWIN · Engine Air Filter

PA2737

Inner Air Element

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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 1/4 in.
Outside diameter (mm)
158.8
Inside diameter
29/32 in.
Length
12 3/8 in.
Length (mm)
314.3
Manufacturer part number
PA2737
GTIN
00791440022256

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 PA2737. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

25 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
AMERICAN PARTS967881
AMERICAN PARTS967911
AMERICAN PARTS968881
BALDWIN FILTERSAK2992and0
BALDWIN FILTERSPA27371
BIG A FILTER968881
CANADIAN FILTER CO.CFM2079K1
CANADIAN FILTER CO.CFM2538K1
CANADIAN FILTER CO.CFM30791
CANADIAN FILTER CO.CFM35381
CARQUEST898881
FLEETGUARDAF45131
FLEETRITEAFR845131
GRAINGER2NTT21
HASTINGSAF21541
HEAVY DUTY AIRA128611
HEAVY DUTY AIRHDA10081
HEAVY DUTY AIRHDA10121
HEAVY DUTY AIRHDA128611
LUBER-FINERLAF25411
NAPA GOLD48881
NELSON70264N1
WIX248881
WIX5248881
WOODGATEWGA8471

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.

Caterpillar Applications Converted from Flanged Air Systems Previously Using {PA1675} or {PA2310}

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.