Detroit Diesel Crankshaft Timing Gear / Sprocket - Used

Application: Detroit Diesel crankshaft timing / accessory drive gear (spur sprocket, ~19T, keyed bore) marked 'DD' in the casting. Suitable as a replacement or spare for Detroit Diesel timing gear train applications pending confirmation by casting/part number. Condition: Used take-off in serviceable condition — full tooth profile, light surface oxidation, no visible cracks or broken teeth. 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.