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BALDWIN · Engine Air Filter

PA2321

Inner Air Element

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Call either store for your current price.
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Stock checked September 11, 1:46 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
3 3/8 in.
Outside diameter (mm)
85.7
Inside diameter
21/32 in.
Length
11 1/16 in.
Length (mm)
281.0
Manufacturer part number
PA2321
GTIN
00791440017603

Baldwin replacement references: Case D78336; White 30-3003477

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 PA2321. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

33 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
ACDELCOA718C1
AIR REFINERARM1158081
BALDWIN FILTERSPA23211
BIG A FILTER943711
CARQUEST883711
CASED783361
CATERPILLAR3I01361
COOPERSAZA3761
COOPERSAZA376T1
CROSLAND97401
DONALDSONP1158081
DONALDSONP1197911
DONALDSONP1490571
FENWICK81012211
FLEETGUARDAF48131
FLEETRITEAFR848131
GPCFC5951
GRAINGER2NTN71
GUARDIAN FILTER CO.G1158081
HASTINGSPA23211
HEAVY DUTY AIRA97911
IHC INTERNATIONAL HARVESTER924948C11
KRALINATORLA7071
LUBER-FINERLAF41551
LUBER-FINERLAF85981
NAPA GOLD63711
NELSON70833N1
WHITE169563ASInner, Filter O1
WHITE3030034771
WHITE3030034851
WIX463711
WIX5463711
WOODGATEWGCS421Inner, Filter O1

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 Equipment; Oliver 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.