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BALDWIN · Engine Air Filter

PA3691

Air Element

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Call either store for your current price.
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Stock checked October 2, 11:37 AM Eastern. Call before travelling so we can confirm what is still available.

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THE DETAILS THAT MATTER

FILTER SPECIFICATIONS.

Filter type
Air Element
Outside diameter
9 1/4 in.
Outside diameter (mm)
235.0
Inside diameter
9/16 in.
Length
24 1/2 in.
Length (mm)
622.3
Manufacturer part number
PA3691
GTIN
00791440048089

Baldwin replacement references: Duraquip 90603; Guardian G119253

Baldwin PIES August 20, 2026 · Baldwin Product Guide July 24, 2026.

START WITH THE NUMBER YOU HAVE

CROSS-REFERENCE NUMBERS.

Manufacturer catalogs list the references below for PA3691. GK Industries-supplied references are identified in the note column. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

7 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
BALDWIN FILTERSPA36911
CARQUEST934731
DONALDSONP6060681
DURAQUIP906031
GRAINGER4XCL31
GUARDIAN FILTER CO.G1192531
HEAVY DUTY AIRA092691

Sources: Baldwin Specs & Interchange · July 27, 2026; GK Industries PIES · August 21, 2026, where identified. Reference quantity is part of the manufacturer’s cross-reference, not store stock.

CHECK THE EQUIPMENT. CHECK THE ENGINE.

APPLICATIONS & EQUIPMENT.

Duraquip 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.