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This can be found on the side of your tank or mounting plate
Do not give serial number from the pump
Ingersoll Rand OEM 30418834 Gasket Set for 15T Compressor Pump
The gasket kit is used on the Ingersoll Rand 15T air compressor pump. Included with this kit are the head gaskets, cylinder gaskets, and the crankcase gaskets.
Keeping a gasket kit on hand is known as a "Step Saver Kit". This is a complete set of gaskets that are commonly destroyed when breaking the unit down for service. These gaskets are recommended with bearing/connecting rod kit or as spare gaskets.