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BALDWIN · Engine Air Filter

PA3909

Inner 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, 1:46 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
Outside diameter
3 7/8 in.
Outside diameter (mm)
98.4
Inside diameter
5/8 in.
Length
7 1/32 in.
Length (mm)
178.6
Manufacturer part number
PA3909
GTIN
00791440057678

Baldwin replacement references: Kubota 17301-11180

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 PA3909. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

12 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
BALDWIN FILTERSPA39091
BIG A FILTER937441
CARQUEST877441
FRAM FiltersCA7110SY1
GRAINGER4ZKZ91
HASTINGSPA39091
KRALINATORLA17491
KUBOTA17301111801
NAPA GOLD27441
NAPA X27441
WIX427441
WIX5427441

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.

Kubota 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.