Porter Cable C2002 Regulator Repair Kit Types 5,7 & 8 5140147-52 & 514 – Tri City Tool Parts, Inc.
Porter Cable Air Compressor Replacement 3-Port Regulator # CAC-4296-1 - Air Compressor Accessories - Amazon.com
Amazon.com: Craftsman D27253 Air Compressor Pressure Regulator Genuine Original Equipment Manufacturer (OEM) Part for Craftsman & Porter Cable : Tools & Home Improvement