Unidentified Cast Iron V-Groove Pulley / Crankshaft Hub - 6-Bolt Flange - Used

Application: Used cast iron single V-groove pulley / drive hub with 6-bolt flange and keyed center bore, believed to be a crankshaft or accessory drive pulley from a diesel engine (marine, industrial, or tractor application). No part number, casting number, or brand markings are legible in the photos, so exact application is unknown. Condition: Used, take-off, sold as-is. Surface rust present, older paint remnants, keyway intact, no visible cracks. Not cleaned, not tested for runout. 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.