Cummins 21621-6 Filter Element, Fluid

Cummins 21621-6 is a engine component in Engine Parts, US catalog. Listed by US Government (DLA FLIS), October 2026.

Cummins part number 21621-6 is listed as Engine component. This manufacturer's reference number is recorded under government stock item NSN 2910-00-785-6581.

Manufacturer
Cummins
Part number
21621-6
Category
Engine Parts
Type
Engine component
Government stock item (NSN)
2910-00-785-6581
SearchForPart reference
SFP-PRT-BCDN88VH

What does it fit?

The source prints no vehicle, engine or equipment for this part.

Government data (US Government (DLA FLIS), October 2026 edition)

The U.S. government's Federal Logistics Information System (FLIS) records Cummins 21621-6 as the maker's own number under government stock item NSN 2910-00-785-6581. The name and every fact below are FLIS's, credited to US Government (DLA FLIS), October 2026 edition.

Specifications recorded for government stock item NSN 2910-00-785-6581, under which this manufacturer's reference number is listed. Confirm compatibility and specifications with the manufacturer before ordering.

Government item name
Filter Element, Fluid
Government stock item (NSN)
2910-00-785-6581
Manufacturer code (CAGE)
15434, CUMMINS INC., COLUMBUS, IN, UNITED STATES
Body diameter
1.625 in (nominal)
Body inside diameter
0.406 in (nominal)
Flow direction
Outside in
Design type
Reusable
Body overall length
2.125 in (nominal)
Filtering media design
Single filtering media response: laminated
Material
Filtering medium: steel corrosion resisting

Other reference numbers listed under the same stock item

These numbers are recorded under the same government stock item. That is not a statement that the parts replace each other or fit the same equipment: confirm with the manufacturer.

Source: US Government (DLA FLIS), October 2026 edition, a public U.S. government data release. This is not an official DLA record and may contain errors. Verify fitment before ordering. Not affiliated with or endorsed by the Defense Logistics Agency or the Department of Defense. SearchForPart does not show a price here.

About this kind of part (general, written by SearchForPart)

A part of an engine named by its use. Replaced when worn, leaking or damaged. Check the engine model and serial range.

When ordering, give the part number exactly as printed and its maker, and the make, model and year of the truck, trailer, reefer unit or machine (or the engine or unit serial number). SearchForPart shows fitment only as the source printed it: check it before you order.

Availability

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Sell or Supply Parts

Source: US Government (DLA FLIS), October 2026 edition, a public U.S. government data release. This is not an official DLA record and may contain errors. Verify fitment before ordering. Not affiliated with or endorsed by the Defense Logistics Agency or the Department of Defense. SearchForPart does not show a price here.

Need it installed or repaired?

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