Detroit Diesel 71 Series Front Gear / Crankshaft Cover - Used Casting 5150233

Application: Detroit Diesel 71-Series inline engine (likely 6-71) front crankshaft / gear cover. Cast iron housing with large front crank seal bore and upper triangular accessory drive flange. Casting number 5150233 is visible on the reverse face — this is a casting number, not an orderable OEM service part number. Condition: Used take-off, untested. Original Detroit green paint worn and flaking, surface rust and pitting around the seal bore, no visible cracks in the photos. Seals and gaskets not included. 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.