Machined Steel Flange Ring – 6-Bolt Adapter/Retaining Ring (Unbranded, Used)

Application: Machined steel 6-bolt flange / retaining ring suitable for marine diesel exhaust, heat exchanger, or adapter/spacer use — exact OEM application not marked on the part. Condition: Used, shop-clean, no visible cracks, corrosion, or deformation; light handling marks only. 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.