The Allied Gomco 01-90-2719 is a comprehensive replacement pump cylinder assembly designed specifically for the Gomco 6000 and 6010 series mobile gastric drainage aspirators. This specialized thermotic pump component works on the principle of expansion and contraction of air within the cylinder to produce mild, intermittent suction. The assembly is pre-configured with critical internal parts, including the heating element, suction and pressure valves, and the cylinder cover, ensuring the unit returns to precise factory specifications for neonatal and adult gastric drainage.