Cummins 4997672 Flywheel, Engine

Cummins 4997672 is a flywheel in Engine Parts, US catalog. Listed by US Government (DLA FLIS), October 2026.

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

The U.S. government's Federal Logistics Information System (FLIS) records Cummins 4997672 as the maker's own number under government stock item NSN 2815-01-677-9647. 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 2815-01-677-9647, under which this manufacturer's reference number is listed. Confirm compatibility and specifications with the manufacturer before ordering.

Government item name

Flywheel, Engine

Government stock item (NSN)

2815-01-677-9647

Manufacturer code (CAGE)

15434, CUMMINS INC., COLUMBUS, IN, UNITED STATES

Overall diameter

16.06 in (nominal)

Nonsupply items and quantities

Gear ring P/N 3905427

Engine model number for which designed

C3

Special features

Flat stlye flywheel, SAE 3; 8 mounting bolts to crank;clutch 11.50INCH over center;pilot bearing 2.83 inch;ring gear number 3905427;number of teeth 127;engine C series ISC 8.3;

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 heavy wheel on the crankshaft that smooths rotation and carries the clutch or starter ring gear. Cracks, heat damage or worn teeth lead to replacement. Check the bolt pattern and clutch size.

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.

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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.