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6CA21 — OIL PUMP ASSEMBLY,ENGINE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

6CA21: OIL PUMP ASSEMBLY,ENGINE.

The OIL PUMP ASSEMBLY,ENGINE is a the manufacturer industrial component. Key specifications include special_features: IRREGULAR SHAPE;W/PORTS;W/PLUNGER;W/SHAFT ASSEMBLY;USED ON ENGINE OIL SYSTEM, end_item_identification: ENGINE,DIESEL; CATERPILLAR INC; MODEL 3408. This part is cataloged in the U.S.

Government catalog under NSN 2815-01-289-8355, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
6CA21
NSN: 2815-01-289-8355
FSC: 2815 — Diesel Engines and Components
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
special_featuresIRREGULAR SHAPE;W/PORTS;W/PLUNGER;W/SHAFT ASSEMBLY;USED ON ENGINE OIL SYSTEM
end_item_identificationENGINE,DIESEL; CATERPILLAR INC; MODEL 3408
NSN2815-01-289-8355
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available OIL PUMP ASSEMBLY,ENGINE TITLE COMPONENT PN 6CA21 MFR OIL PUMP ASSEMBLY,ENGI
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESIRREGULAR SHAPE;W/PORTS;W/PLUNGER;W/SHAFT ASSEMBLY;USED ON ENGINE OIL SYSTEM
END ITEM IDENTIFICATIONENGINE,DIESEL; CATERPILLAR INC; MODEL 3408
OTHER ITEMS IN FSC 2815 — Diesel Engines and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2815-00-011-9099 2815-00-017-1875 2815-00-024-4185 2815-00-033-1482 2815-00-036-5350 2815-00-179-7630 2815-00-346-4639 2815-00-592-5308
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6CA21?
6CA21 is a OIL PUMP ASSEMBLY,ENGINE.
What is the NSN for 6CA21?
6CA21 is cataloged in the U.S. Government catalog under NSN 2815-01-289-8355. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.