Yanmar Timing Gear Cover for 3-Cylinder Marine Diesel Engine - Used

Application: Used timing gear cover / front gear housing for a small marine diesel engine, most consistent with a Yanmar 3-cylinder JH-series (e.g., 3JH2 family). Cast-aluminum housing with injection pump drive boss, front crankshaft seal bore, and idler/cam gear pockets. Condition: Used take-off, cleaned. No visible cracks; light gasket residue and edge corrosion. Front crank seal still installed — recommend replacement on reinstall. 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.