The 32194151 low pressure ring set includes piston rings for the low pressure side of the 242 piston compressor pump from Ingersoll Rand. Typically the rings are replaced when oil is getting downstream from the compressor pump or the air compressor is slow to build pressure.
Fits the following pumps from Ingersoll Rand:
Part #: 2475-LOLS
Part #: 2475
Part #: 32301426
Part #: 32301517
Part #: 32247868
Part #: 32307910