Yanmar 129673-01700 Cast Aluminum Oil Sump Pan for 4JH Series Marine Diesel - Used

Used cast aluminum marine diesel oil sump pan, believed to be Yanmar OEM P/N 129673-01700 for the 4JH-series (4JH2 / 4JH3 / 4JH4 / 4JH110) marine diesel engines. Ribbed cast aluminum body with drain plug boss and full-perimeter bolt flange. Sold in used take-off condition — exterior weathered with oil residue and surface oxidation, interior has baked-on oil that will require cleaning. Ideal as a replacement or rebuild core for a 4JH-series sump. 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.