PA2310Photo not yet available

BALDWIN · Engine Air Filter

PA2310

Inner Air Element with 8 Bolt Holes

Call for price
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
Inner Air Element with 8 Bolt Holes
Outside diameter
6 1/4 in.
Outside diameter (mm)
158.8
Inside diameter
4 5/8 in.
Length
13 3/32 in.
Length (mm)
332.6
Manufacturer part number
PA2310
GTIN
00791440017467

Baldwin replacement references: Caterpillar 9S9972

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 PA2310. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

95 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
ACDELCOA677C1
AIR REFINERARM99721
ALCO FILTERSMD71521
AMERICAN MOTORS CORP.CA17891
AMERICAN PARTS11531
AMERICAN PARTS933361
BALDWIN FILTERSPA23101
BIG A FILTER11531
BIG A FILTER933361
BOWESLAF99721
CANADIAN FILTER CO.CFM5381
CARQUEST873361
CATERPILLAR1W7365Inner, Filter O1
CATERPILLAR1W7919Inner, Filter O1
CATERPILLAR2P8863Inner, Filter O1
CATERPILLAR2P8877Inner, Filter O1
CATERPILLAR2W3785Inner, Filter O1
CATERPILLAR3I04311
CATERPILLAR4W9079Inner, Filter O1
CATERPILLAR8N1335Inner, Filter O1
CATERPILLAR8N3335Inner, Filter O1
CATERPILLAR9599721
CATERPILLAR9S9970Inner, Filter O1
CATERPILLAR9S99721
CONTINENTALPCA226SY1
COOPERSAES22871
COOPERSAZA6311
DIAMONDDX2111
DONALDSONEGB120119Inner, Filter O1
DONALDSONP1165701
DONALDSONP1509211
DONALDSONP1586691
DONALDSONP9015501
EUROFILTER35111
FAMELFR8731
FIAAMFL164411
FIAAMFL64411
FIAAMFLI64411
FLEETGUARDAF9591
FLEETLIFEFA9S99721
FLEETRITEAFR89591
FLUXFILTERAC266SY1
FRAM FiltersCA226SY1
FRAM FiltersCA266SY1
GFFAF3311171
GM GENERAL MOTORS89946491
GONHERGA22861
GPCFC4711
GRAINGER2NTN61
GREYFRIARS1330A1
GUARDIAN FILTER CO.G9S99721
HASTINGSAF4961
HEAVY DUTY AIRA99721
HEAVY DUTY AIRA997211
HEAVY DUTY AIRHDA99721
HEAVY DUTY AIRHDA997211
INDUCONTROLAR226SY1
JURA (HIFI)SA109091
KRALINATORLA5381
L.B. FILTERA8191
LUBER-FINERLAF3361
LUBER-FINERLAF99721
MANN+HUMMELC161471
MOTORCRAFTFA6161
NAPA GOLD23361
NELSON70259N1
NELSON9S99721
NELSON-WINSLOW9S99721
NU-TECHSS0061
O&K ORENSTEIN & KOPPEL1011001
O&K ORENSTEIN & KOPPEL14639321
PBRAI32331
PURFLUXA9201
PUROLATORA529281
PUROLATORAF29181
PUROLATORAF29281
QIF AIRACA226SY1
QUAKER STATEQSA226SY1
REFILCOAF23361
REYTORIT99721
RYCOHDA52461
SAKURAA55221
SAKURAA5522SInner1
SF-FILTER / SCHUPPSL63721
SOFIMAS7995A1
SURE FILTER TECHNOLOGYSFA9972S1
TECHNICAL FILTRATIONBSA9591
UFI FILTERS27995001
UNITED AIR CLEANERU9S99721
UNITED AIR CLEANERV250D253FS1
UNITED ENGINE LIFEU9S99721
VIRGIS FILTERCH131411
WATSUN FILTERSK8445B11
WIX423361
WOODGATEWGA3951

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 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.