Cast Iron Spin-On Oil / Fuel Filter Head Base - Used

Used cast iron spin-on filter head / adapter base suitable for marine or industrial diesel engine oil or fuel filter applications. Central spin-on filter stud pedestal, two threaded side ports, and a mounting boss. Application: marine/industrial diesel engine filtration circuit (specific engine not confirmed — no legible OEM part number). Condition: Used take-off with surface rust and oil staining; casting appears sound. 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.