Valve and Gasket Kit, Series RECIPROCRATING COMPRESSOR, Compatible with Grainger Part Number 16V886, 16V887, 16V890, 16V891, 20Y778, 20Y779, 20Y780, 3FRU2, 3FRU3, 3FRU4, 4M310, 4M361, 6tfh6, 6wa84, 783rd7, Product Type Small Reciprocating Valve Kit,...