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BALDWIN · Engine Air Filter

PA2637

Outer Air Element

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Call either store for your current price.
Belleville APCCall for availability
Kingston APCCall for availability

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
6 5/8 in.
Outside diameter (mm)
168.3
Inside diameter
3/8 in.
Length
14 5/16 in.
Length (mm)
363.5
Manufacturer part number
PA2637
GTIN
00791440021136

Baldwin replacement references: Case A42758

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 PA2637. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

22 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
ACDELCOA714C1
AIR MAZECD08171028261
AIR MAZECD8171028261
AIR REFINERARM6241
BALDWIN FILTERSPA26371
BIG A FILTER946121
CARQUEST886121
CASEA427581
FRAM FiltersCA25591
GARDNER DENVER20102281
GM GENERAL MOTORS89954211
GRAINGER4ZUR41
GUARDIAN FILTER CO.G4306241
HASTINGSAF5191
HASTINGSPA26371
HEAVY DUTY AIRAM6241
KRALINATORLA7001
LUBER-FINERLAF605AM1
NAPA GOLD66121
NELSON70899N1
WIX466121
WIX5466121

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 Tractors

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.