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BALDWIN · Engine Air Filter

LL1646-FN

Long Life Air Element with Fins

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Call either store for your current price.
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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
Long Life Air Element with Fins
Outside diameter
9 7/32 in.
Outside diameter (mm)
234.2
Inside diameter
21/32 in.
Length
10 1/2 in.
Length (mm)
266.7
Manufacturer part number
LL1646-FN
GTIN
00791440012769

Baldwin replacement references: Case A60743; Caterpillar 9Y6834; Drott 221313; Galion D73499; Hitachi D911762; Iveco 9917881

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 LL1646-FN. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

24 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
BALDWIN FILTERSLL1646FN1
BARKO-HYDRAULICS535011521
BLUE BIRD21396991
BOMAG5730116Long Life1
BUCYRUS-ERIE623004171
CATERPILLAR3I09161
DONALDSONEAF50351
DONALDSONP1241761
DONALDSONP1820351
DONALDSONP1850351
DONALDSONP8122191
DONALDSONXLP1820351
DONALDSONXLP1840351
FLEETGUARDAF353KM1
FLEETGUARDAF353M1
FLEETRITEAFR8353KM1
FLEETRITEAFR8353M1
FRAM FiltersHCAK2551
GRAINGER4XAF41
HEAVY DUTY AIRA12371
KELTEC3250131
KOMATSUD78041Long Life1
NELSON70181L1
PURFLUXA537Long Life1

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, Caterpillar, Dresser, Drott, Galion, Grove, Hitachi, Hydro-Ax, Koehring, Michigan Equipment; Iveco, R.V.I. Trucks

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.