Caterpillar: 3304/3306 Chamber 8S3970
Caterpillar: 3406/3408/3412 Chamber 4N3714
CYLINDER HEAD:

Caterpillar: 3304PC Cylinder Head 8N1188 Loaded 7N8574
Caterpillar: 3304DI Cylinder Head 1N4304 Loaded 7N8874
Caterpillar: 3306PC Cylinder Head 8N1187 Loaded 6N8103
Caterpillar: 3306DI Cylinder Head 8N6796 Loaded 7N8876

Caterpillar:3204/3208 CYL head 6I2378

Caterpillar:D342DP D8K CYL head 8N6000

Caterpillar::D342NDP D8H CYL head 8N6004
Caterpillar: 3406DI Cylinder Head 110-5096
Caterpillar: 3406PC Cylinder Head 110-5097

Cummins:CYL head 6CT8.3  3973493

Cummins: Cylinder Head 4BT 3920005, 6BT3967459, 6CT3973493, ISBE 24Valve, ISL24 Valve
CYLINDER BLOCK

Caterpillar: 3306 Cylinder Block 1N3576 Casting no 4P623                            Caterpillar: 3304 Cylinder Block 1N3574 Casting no 7N5454
Caterpillar: 3066/S6K/320 Cylinder Block 5I7776 2128566 1838230
Cummins: Cylinder Block 4BT 3903920, 6BT3903797, 6CT3939313, 6CT3971411, ISBE

CRANKSHAFT:

Caterpillar: 3304 Crankshaft 4N7692 with gear 4N7699
Caterpillar: 3306 Crankshaft 4N7693 with gear 2W7458

Caterpillar: 3066 Crankshaft 125-3005
Cummins: Crankshaft 4BT3908031, 6BT3908032, 6CT3917320, NT8553418949, M113073707