Unidentified Marine Diesel Component - Corroded Brass/Steel Sleeve - Used Core

Application: Unidentified marine diesel component, likely a heat exchanger end sleeve, raw-water plumbing stub, or wet-exhaust section removed from a marine diesel engine. Condition: Used core, heavily corroded with through-wall pitting — sold for reference/core value 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.