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BALDWIN · Engine Air Filter

LL1637-FN

Long Life Air Element with Fins

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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
11 1/8 in.
Outside diameter (mm)
282.6
Inside diameter
5/8 in.
Length
12 1/2 in.
Length (mm)
317.5
Manufacturer part number
LL1637-FN
GTIN
00791440012660

Baldwin replacement references: Clark 941089; International 877600-C9; Kenworth 944809

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 LL1637-FN. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

15 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
BALDWIN FILTERSLL1637FN1
BARKO-HYDRAULICS535010801
CATERPILLAR3I08901
DONALDSONEAF50001
DONALDSONP1820001
DONALDSONP1850001
DONALDSONXLP1820001
DONALDSONXLP1840111
FLEETGUARDAF351KM1
FLEETRITEAFR8351KM1
GRAINGER4XCL61
HEAVY DUTY AIRA12401
HYSTER2461091
INGERSOLL RAND596669171
NELSON70417L1

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.

Clark, Euclid, Grove, Hitachi, Koehring, Link-Belt, Michigan, Vermeer Equipment; Hino, International, Kenworth, Mitsubishi 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.