| Replacement Busch Vacuum R-540 Pail container air compressor oil Busch Vacuum R-540 Oil Aftermarket Busch Vacuum R-540 Diester Air Compressor Oil R-540 Compressor Oil Specs 5 Gallons Container ISO Grade 150 Oil Rating Hours 4000  Recommended Air Compressors Large Double Acting Reciprocating  Proairsupply Part Number COMPRESS10009917 Usually Ships in 24-48 Hours Made in the USA After Market Replacement Busch Vacuum R-540 Compressor Oil is 100  percent compatible with the OEM. 
 R-540 is a Diester based proprietary based stock with the most up to date additives. R-540 Oil developed for cylinder lubrication of large, double acting, reciprocating air compressors. R-540 Diester oil helps prevent carbon formation on discharge valves, reduce wear and improves efficiency. R-540 Diester fluids are also used in rotary screw, rotary vane and most reciprocating air compressor applications including PD Blowers.  |