OEM: 8N1187 Engine type: 3306PC for CAT Applications: D5, D6, D7, 12F, 120, 140 Include: valve guide& ... Parts CEP supplies a full line of engine parts including Cylinder Blocks, Cylinder Heads, Crankshafts, Pistons, Piston Pins, Piston Rings, Liners, Connecting ... Pumps, Starters, Gauges, Exhaust Systems and other popular engine component Cylinder Head for CAT 3306 (OEM: 8N1187)