The BG Syncro Shift II API GL-4 SAE 75W-75 Gear Lubricant Oil is a high-quality, new sealed product designed for automotive gear and differential systems. With a GL rating of GL-4, this oil ensures optimal protection and performance for various vehicle types. The 3-quart pack contains one unit of oil, making it convenient for use and maintenance. Manufactured by BG, a trusted brand in automotive lubricants, this gear lubricant oil is a reliable choice for your vehicle's gear and differential needs.