Busch Vacuum Solutions 053A-901-520 Exhaust Filter

Busch Vacuum Solutions 053A-901-520 Exhaust Filter is a genuine replacement part for oil-lubricated Busch vacuum pumps. As an exhaust filter—also known as an oil-mist filter—it sits in the pump’s exhaust path to capture oil mist before it exits the unit, helping protect downstream equipment, maintain cleaner work environments, and reduce oil carryover in the exhaust stream. Busch specifies that exhaust filters are installed upstream of the outlet inside the oil-mist separator of oil-lubricated pumps, a design that supports reliable filtration without compromising pump performance. Manufactured by Busch, the 053A-901-520 filter is intended to be used with compatible Busch exhaust-filter housings, providing a factory-backed, precise fit and ensuring consistent maintenance results when performing routine service on Busch vacuum solutions. By using the genuine part, technicians can preserve filtration efficiency and maintain the pump’s service intervals, avoiding compatibility issues common with aftermarket replacements.