Pump Oil

Alt text: A 128oz (1 gallon) bottle of Mastercool Vacuum Pump Oil with a white cap, featuring a white label with black and red text. The label includes instructions for use, such as draining when warm and checking the oil level, along with the Mastercool
Vacuum Pump Oil Single 18oz 531ml Bottle Mastercool 90018
£8.58 £7.15
A collection of Mastercool Vacuum Pump Oil bottles in various sizes, including large jugs and smaller bottles, all with white caps and detailed labels. The labels feature the Mastercool logo, product name, and usage instructions, emphasizing the oil's pur
Mastercool 90018-6 Vacuum Pump Oil Case of 6 18oz 531ml Bottles
£49.30 £41.08

Premium Vacuum Pump Oils for Reliable Air Conditioning Performance

Upgrade and protect your vacuum pumps with high-performance pump oil for air conditioning systems. Our specialist vacuum pump oils - including the industry-trusted Mastercool 90018 (available as single bottles or value cases of six) - are engineered to deliver deeper vacuums, superior lubrication, and longer equipment life, even under challenging conditions. Featuring high-viscosity formulations that resist thermal breakdown and effectively remove acid contamination, these oils safeguard critical vacuum pump components, reduce wear, and maintain optimal performance. Available in professional-grade packaging suitable for both field service and workshop use, they ensure convenience and reliability when you need it most. Whether you’re evacuating a split-system or maintaining refrigeration units, our vacuum pump oils are essential for preventing corrosion, maximising system efficiency, and avoiding costly downtime. Shop now for UK-wide fast delivery and expert support on all your AC maintenance needs.