Mitsubishi MM433-712 Piston Ring Set - New

Genuine Mitsubishi Heavy Industries piston ring set, OEM part number MM433-712 ("RING SET PISTON", 1 set, Made in Japan). Application: Mitsubishi diesel engine — specific engine model and bore size are not printed on the label and are not verified, so this set is offered by part number, photographs, and measurable ring dimensions. Condition: new / NOS in an opened original Mitsubishi Genuine Parts box; the rings are unused with original finish, loose outside the inner sleeve, and the box shows storage soiling. Ring outside diameter can be measured on request to help confirm bore size. Buyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase.