Caterpillar 3406 Two-Piece Articulated Piston Body - Used

Application: Caterpillar 3400-series diesel engine (3406B/3406C most likely; visually similar to 3408/3412) — marine propulsion, marine genset, and industrial use. Condition: Used take-off two-piece articulated piston with steel crown and aluminum skirt. Crown is free of visible cracks or burn-through in photos; original rings present but should be replaced. Suitable as a rebuildable core or for inspection/reuse after machine-shop evaluation. 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.