OEMTOOLS 24399 Vacuum Pump Oil is an extremely high quality, severely hydrotreated vacuum pump oil. This versatile oil is compatible for use in pumps made by most manufacturers. Whether for your oil change pump, fluid extractor, brake bleeder kit, extractor vacuum, transmission fluid transfer pump, or HVAC vacuum pump, you need a mechanical lubricant that enables your equipment to create a pressure vacuum to extract, transfer, and seal. These vital functions can be interrupted by moisture, contaminants, acidity, incorrect viscosity, and more. Carefully bottled and quality tested to ensure minimal moisture content and chemical stability, this high temperature oil pump lubricant outperforms the popular substitutes. As it's strongly recommended that vacuum pump oil be changed after each use to maximize service quality and the life of the pump, this compact 8 ounce bottle is well worth having in your garage. The performance of your pump depends on regular service and the quality and purity of the vacuum pump oil that you use, so it's important to choose the best. That's why technicians choose the OEMTOOLS 24399 Vacuum Pump Oil.