The listing is for 3 quarts of 75w90 BG Ultraguard Full Synthetic Gear Box Differential Lubricant. BG Ultra-Guard Full Synthetic Gear Lubricant is full synthetic API GL-5 rated gear lubricant blended to SAE 75W-90 viscosity. BG Ultra-Guard provides the ultimate protection for driveline components. It is formulated for maintaining system cleanliness, increased thermal stability, improved seal performance, quieter operation, and unsurpassed protection against wear, pitting, and corrosion.
