Mobil SHC 639 is or was manufactured by Mobil. The product offered by BlueSky Lubricants is a replacement product of similar quality and performance as a synthetic, corrosion inhibiting, gear and bearing oil. If you have any questions concerning BlueSky Lubricants’ alternative to Mobil products, please contact us by our Toll Free Phone Number 1-855-899-7467.
PAO Synthetic, Rust & Oxidation Gear & Bearing Lube. Below is the BlueSky replacement