Used Cast Aluminum 4-Bolt Flange Housing / Pump Cover - Unidentified Marine Diesel Component

Application: Used cast aluminum 4-bolt flange housing / pump or filter cover from a marine diesel or industrial engine accessory (exact application unconfirmed — possibly Detroit Diesel, marine transmission pump cover, or small hydraulic gear pump end cover). Condition: Used take-off, surface dirt and light corrosion, no cracks visible; O-ring groove and machined bore intact. 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.