Description

Yanmar OEM O-ring (part #24341-000125), 1mm cross-section × 12.5mm inner diameter. Genuine sealing ring for fuel system fittings, oil gallery connections, and similar small-bore sealing applications on Yanmar marine diesel engines. Lubricate lightly before installation; ensure the ring seats fully in the groove without twisting. Do not reuse once removed. Verify fitment by engine model and part diagram before ordering.