Quincy Air Compressor Unloader Diaphragm – Replacement For Part # 1855

Quincy Air Compressor Unloader Diaphragm – Replacement Part #1855

This is a brand-new replacement diaphragm designed for Quincy air compressor unloader towers. Made of reinforced high temp rubber, this durable diaphragm measures approximately 3-1/8 inches across from flat side to flat side.

It is compatible with a range of Quincy compressor models, including the 250, 325, 370, 390, and 5120 series that require part number 1855.

Product Details:

• Quantity: 1 unloader diaphragm

• Width: Approx. 3-1/8 inches (From flat side to flat side)

• Material: Reinforced high temp rubber for added strength and longevity

• Function: Unloader tower diaphragm – controls pressure release during startup

• Compatible Part #: Aftermarket replacement for Quincy 1855

• Fits Models: 250, 325, 370, 390, 5120