Cummins 3281531 Pulley, Groove

Cummins 3281531 is a pulley in Engine Parts, US catalog. Listed by US Government (DLA FLIS), October 2026.

Cummins part number 3281531 is listed as Pulley. This manufacturer's reference number is recorded under government stock item NSN 3020-01-355-9189.

Manufacturer
Cummins
Part number
3281531
Category
Engine Parts
Type
Pulley
Government stock item (NSN)
3020-01-355-9189
SearchForPart reference
SFP-PRT-C2AEMDWA

What does it fit?

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

Specifications from Engine parts list (publisher, brand and date not printed)

Name as printed
PULLEY,ALTERNATOR

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

The U.S. government's Federal Logistics Information System (FLIS) records Cummins 3281531 as the maker's own number under government stock item NSN 3020-01-355-9189. 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 3020-01-355-9189, under which this manufacturer's reference number is listed. Confirm compatibility and specifications with the manufacturer before ordering.

Government item name
Pulley, Groove
Government stock item (NSN)
3020-01-355-9189
Manufacturer code (CAGE)
15434, CUMMINS INC., COLUMBUS, IN, UNITED STATES
Furnished items
Bore
Groove depth
44.0 mm (nominal)
Groove width
59.0 mm (nominal)
Outside diameter
63.0 mm (nominal)
Keyway width
4.0 mm (nominal)
Key width
4.0 mm (nominal)
Bore diameter
19.0 mm (nominal)
Bore length
25.0 mm (nominal)
Distance from center of bore to top of key
11.7 mm (nominal)
Distance from center of bore to bottom of keyway
19.0 mm (nominal)
V groove angle in deg
40.0
Pitch diameter
58.0 mm (nominal)
Face width
40.0 mm (nominal)
Design form
Plain
Bore type
Straight
Groove quantity
8
Keying facility type
Keyway
Groove shape
V
Material
Overall: steel
Quantity
1

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)

Drive the alternator, fan, water pump or compressor. Cracks, glazing, squeal or a worn pulley groove call for replacement. Check length, width and rib or groove count.

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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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.

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