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BALDWIN · Engine Air Filter

PA3933

Inner Air Element with 8 Bolt Holes

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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.

Call Belleville ↗Call Kingston ↗Text your part number ↗

THE DETAILS THAT MATTER

FILTER SPECIFICATIONS.

Filter type
Inner Air Element with 8 Bolt Holes
Outside diameter
12 25/32 in.
Outside diameter (mm)
324.6
Inside diameter
10 9/32 in.
Length
17 3/4 in.
Length (mm)
450.9
Manufacturer part number
PA3933
GTIN
00791440058712

Baldwin replacement references: Caterpillar 113-1579

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 PA3933. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

13 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
BALDWIN FILTERSPA39331
CARQUEST835791
CATERPILLAR11315791
CATERPILLAR1131582Inner, Filter O1
CATERPILLAR1153622Inner, Filter O1
DONALDSONP6251301
FLEETGUARDAF42211
GRAINGER4XDR11
HASTINGSPA39331
HENGSTE785LS1
NAPA GOLD95791
WIX495791
WIX5495791

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 Generators, Industrial, Marine 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.