High quality vacuum pump oil for Busch vacuum pumps. Equal to Busch oil # R-530 for use in most R5 series pumps. 5 gallons. Customers Also Bought. REPAIR KIT W/ VANES 1015SD. High Quality Replacements Parts for Alcatel 2001015SD Pumps. 104643FR. $269.10. COUPLING ELEMENT. COUPLING ELEMENT CUP0071L. $19.35. ROTOR, 8917(N) M8C.