Cummins 6CTA 8.3 Oil Pump - Used

Used Cummins 8.3L 6CTA engine oil pump — gear-type positive-displacement pump for Cummins C-series 6CT/6CTA 8.3L industrial and marine engines. Tagged by our shop as 'Cummins 8.3 CTA Oil Pump.' Common OEM numbers in this family include 3948072, 3921067, 4941464, and 4983588; exact casting number is not clearly legible in photos, so verify against your engine dataplate before ordering. Application: Cummins 6CT / 6CTA 8.3L (also related ISC/QSC variants — confirm by P/N). Condition: Used take-off, sold as-is. Exterior surface rust; pumping element and gears appear intact in photos. Not bench-tested. Buyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase. Used marine part sold as-is unless otherwise stated. No returns on electrical, used, special-order, or installed parts.