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BALDWIN · Engine Air Filter

RS30078

Radial Seal 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, 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
Radial Seal Inner Air Element
Outside diameter
3 5/16 in.
Outside diameter (mm)
84.1
Inside diameter
2 3/8 in.
Length
9 3/32 in.
Length (mm)
231.0
Manufacturer part number
RS30078
GTIN
00791440098961

Baldwin replacement references: Dynapac 380294

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 RS30078. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

10 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
BALDWIN FILTERSRS300781
CARQUEST936341
DONALDSONP7823001
DYNAPAC3802941
DYNAPAC47003802941
FLEETGUARDAF258891
GRAINGER45KM591
JURA (HIFI)SA162941
MASSEY FERGUSON3774832M11
SF-FILTER / SCHUPPSL810391

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.

Dynapac CC122, CC122C Rollers

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.