Caterpillar part numbers starting 8N4

8N4131	Spacer (injector, lines, fuel)	Caterpillar
8N4387	Dowel (push rods and valve lifters)	Caterpillar
8N4524	Gasket (water lines, upper)	Caterpillar
8N4707	Band (liners, cylinders)	Caterpillar
8N4793	Core assembly (aftercooler)	Caterpillar

Not listed? Add it yourself.