Caterpillar 3406, Heads, (NEW) Caterpillar 3406 McBee Cylinder Head Gasket M-6I3066 For Sale, Part # M 6I3066, M6I3066, OEM Cross Reference: 2W7983, 54154, 6I3066, 7E6000, 7N0626, 7N626, 9Y7786, Excavator: 245, Stock # 7844