Quincy Air Compressor 1855 Unloader Tower Valve Diaphragm Diaphram 1855

Brand new Quincy air compressor unloader tower diaphragm, part # 1855. This diaphragm measures about 3-1/8" across and made out of a reinforced rubber.  This diaphragm is designed for models 250, 325, 370, 390 and 5120 air compressors that need part # 1855. Features:• Qty: 1  # 1855 Diaphragm• About 3-1/8" across• Unloader tower diaphragm• Part # 1855• Reinforce Rubber