Marine Transmission Splined Drive Coupling Sleeve and Hub Set - Used

Application: Splined drive coupling sleeve and mating internally-splined hub, consistent with an engine-to-marine-transmission drive coupling or internal clutch hub from a heavy-duty marine gear (ZF / Twin Disc / Allison M-series style). Condition: Used take-off, light surface oxidation, splines appear intact, no visible OEM markings. 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.