Add to Cart Compare Quick view Cylinder O-Ring, 2.759" / 2.719" ID #0E5391 Price: Now: $2.05 Was: O-ring seal for air compressor valve plate, installs in between the cylinder and valve plate. Used with original style valve plate.SpecificationsO-ring measures 2.759"/2.719" ID Price: Now: $2.05 Was: Add to Cart Compare Quick view