LubeMaster Gear-Up Plus Premium Gear and Bearing Oil Improver 1 Quart Size Thanks for Looking! Heavy Duty Gear and Bearing oil improver specifically formulated for construction and heavy industrial equipment. Enhances existing gear oil to protect against leaking seals, dry starts, water contamination, oxidation and foaming. Improved conventional gear oil in almost every application. Prevents rust and corrosion. Separates water to keep gears dry. Multi-purpose industrial gear oil; High temp gear oil; High temperature lubricant; heavy load lubricant; industrial gear oil; Multi-grade gear oil; gear oil improver;