Head gasket used in CASE engines - 1 piece. PARAMETERS diameter: 112 mm 3cyl. ENGINES CASE D-155 D-179 MODELS CASE series: 2000, 2400 series: 3000, 3210, 3220 series: 33, 433, 533, 633 series: 40, 440, 540, 640 series: 84, 484 series: 85, 385, 485, 485XL series: 95, 395, 495, 495XL series: Classique, 353, 383, 423, 453, 454, 464, 523, 553, 554 series: 248