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BALDWIN · Engine Air Filter

CA30131

Channel Flow 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, 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
Channel Flow EXO Air Element
Outside diameter
12 1/16 in.
Outside diameter (mm)
306.4
Length
8 3/32 in.
Length (mm)
205.6
Contains
Three Bolts Included
Manufacturer part number
CA30131
GTIN
00791440107267

Baldwin replacement references: Donaldson P621097; Freightliner P621097

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 CA30131. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

6 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
BALDWIN FILTERSCA301311
CARQUEST937941
DONALDSONP6210971
FREIGHTLINERP6210971
GRAINGER458T231
HASTINGSAF25301

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.

Freightliner Trucks with Cummins 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.