Unidentified Machined Steel Service Tool / Puller Adapter - Used

Application: Unidentified heavy machined steel service tool / puller adapter, believed to be a diesel engine shop tool (possible liner puller, injector sleeve driver, or bearing collar tool) but with no visible manufacturer markings or part number. Condition: Used, shop-used with light soiling and minor oxidation inside the bore; threads and hex drive appear serviceable. 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.